List and explain key characteristics of computer memory, CPU : This is often in the form of CPU registers and small amount of cache. Koramangala, Bengaluru, Karnataka 560034, Leverage Edu Mumbai, Innov8, 3, 20 Main Road EPROM- Erasable programmable read only memory is a type of ROM which can be erased and reused. By loading erasable data, any type of data or files can be put onto a flash drive, giving the user the option to erase them, so that space can be made in the memory to be used freely. Flash memories are types of computer memory that works like RAM but are stable. With data-first approach at Leverage Edu, you get 100% 91 Springboard, Lotus Building Keep up with this blog to find out the difference between RAM and ROM and understand it in depth. The subsequent use of HHI completes the erase that the tunneling cannot complete due to saturation. Volatile vs Nonvolatile Memory Volatile and non-volatile are classifications in computer memory. Get in touch with Leverage Edu experts to get complete guidance regarding choosing the best course for yourself and getting admission to your dream university. With data-first approach at Leverage Edu, you get 100% However, most forms of non-volatile memory have limitations that make them unsuitable for use as … This is true even when power is applied constantly. ROM is a type of non- volatile memory. MROM- Masked read only memory is that type of ROM in which the data is written during the manufacturing process of the memory chip. non-standard voltages and timing “Non-volatile” Data retained when power removed ROM : Read Only Memory Mask programmed by manufacturer Not erasable (programming permanent) High volume applications Data in ROM is permanently written and is not erased when you power off your computer. EPROM- Erasable programmable read only memory is a type of ROM which can be erased and reused. A word can however mean any number of bytes. The CPU doesn’t access these devices directly. Each one of us has got something unique enough to be successful; we believe in bringing you closer to that technology to drive streamlined access to best-matched mentors & leading global Universities. SRAM- Statistic random access memory stores a bit of data using the state of a six transistor memory cell. Leverage Edu is a one-stop-shop for all your career-related needs - right from finding the best-fit college to Erasable Programmable Read Only Memory … 20, Marol MIDC, EPROM: Erasable and Programmable ROM, the content of this ROM can be erased using ultraviolet rays and the ROm can be reprogrammed. In case of external memory, unit of transfer is not limited to the word size; it is often larger and is referred to as blocks. 20, Marol MIDC, RAM data is volatile and is erased once computer is switched off. Get notified about the latest career insights, study tips, and offers at Leverage Edu. Re-analyzing reinstatement yielded a significant main effect of Trial, F (1, 17) = 22.25, p < 0.001, η 2 = 0.57, confirming that CR were overall higher during the first trial of the reinstatement test than during the last trial of extinction, and that there were no difference between the reactivated and the non-reactivated CS + [F (1, 17) = 0.99, p = n.s.]. customised services that resonate with your personal career needs. PROM- Programmable read only memory is a type of ROM where the data is written after the memory chip has been created. RAM is used to store computer programs and data that CPU needs in real time. RAM, on the other hand, is considered volatile memory. It is a nonvolatile memory.Therefore, the data remains even when there is no continuous … It consists of four to six transistors. Your email address will not be published. Computer Engineering Computer Network MCA. By first using tunneling, preferably Fowler-Nordheim tunneling (FNT), the damage to a bottom dielectric that normally occurs by HHI is significantly reduced. The flash memory is the most common non-volatile memory (NVM) and has a high device integration and an erase rate much higher than other kinds of non-volatile memories. Both types of memory used by a computer, and they are both … ... EPROM: This stands for Erasable Programmable Read Only Memory, which overcome the problem of PROM & ROM. The major difference between EEPROM and Flash memory is that when Flash memory’s contents are erased, the entire device is erased, in contrast to EEPROM, where one can erase the desired byte. It is used to store the data and programs which are used by the CPU in real-time. 1. Difference Between EEPROM and Flash. The data in this is permanent and cannot be changed. ROM has a comparatively smaller size with less capacity. Repeated exposure to … Have you ever wondered how a computer stores such extensive data? please give me link of book this ans.i thank it is not right ans. The EEPROM has the advantage of being erasable and reprogrammable many times. It allows users to read and write the operation of the data. US5428568A US07/933,436 US93343692A US5428568A US 5428568 A US5428568 A US 5428568A US 93343692 A US93343692 A US 93343692A US 5428568 A US5428568 A US 5428568A Authority US Unite RAM is referred to as a temporary memory as the data present in it lasts only till the power supply is on. Difference Between Preemptive and Non-Preemptive Scheduling in OS; … The data in ROM can only be read but cannot be modified as it is pre-recorded. Transfer rate: It is defined as the rate at which data can be transferred into or out of a memory unit. In our discussion, we will approach these ... are known as non-volatile memories. The most widely used form of primary storage today is a volatile form of random access memory (RAM), meaning that when the computer is shut down, anything contained in RAM is lost. Each one of us has got something unique enough to be successful; we believe in bringing you closer to that The damage due to HHI is … Flash is a very popular term when it comes to storage media as it is used by portable devices like phones, tablets, and media players. The most frequently used device of this type is deep brain stimulation (DBS) (Benabid, 2007; Lozano and Lipsman, 2013) Other neural implants can restore or improve certain neural functions lost or impaired through traumatic … Its main characteristic is that the data is programmed in it after the manufacturing process. You must be logged in to read the answer. Leverage Edu helps students make career choice & university admission decisions, using simplified Leverage Edu is a one-stop-shop for all your career-related needs - right from finding the best-fit college Andheri East, Mumbai, Maharashtra 400069, Leverage Edu Bangalore, The main difference between PROM EPROM and EEPROM is that PROM is programmable only once while EPROM is reprogrammable using ultraviolet light and EPROM is reprogrammable using an electric charge.. ROM, which stands for Read Only Memory, stores the instructions required to start a computer. There are three types of access methods: Random Access: If storage locations in a particular memory device can be accessed in any order and access time is independent of the memory location being accessed. Thus, we did not observe a reactivation-dependent … DRAM- Dynamic random access memory is considered as the computer’s main memory. EPROM expands to Erasable Programmable Read Only Memory, this type of ROM is read and written optically (electrically). 4 Magnetic Tapes, CD-ROMs employ serial access methods. Koramangala Industrial Layout Clearly, the reconsolidation idea has generated excitement, but much more work is needed to determine whether it is possible to permanently erase specific memories. EEPROM vs Flash. For a set of storage elements formed over a common well structure, all word-lines are initially charged with the same high voltage erase signal that charges the well to insure there is no net voltage difference between the well and word-lines. If the power is turned off or lost temporarily, its contents will be lost forever. Certain serial access memories have a block of memory cells that are accessible only once in a write mode. Both of them sound kind of similar but actually have huge differences. DRAM, on the other hand, has an extremely short data lifetime-typically about four milliseconds. RAM is a volatile memory which can store the data with the help of power supply only. Memory devices in which data in the memory can be erased is called erasable memory. They are used in electronic devices in order to store permanent data. It is the sequence or order in which memory can be accessed. Commonly used word sizes are 1 byte (8 bits), 2bytes (16 bits) and 4 bytes (32 bits). The contents of each memory cell is locked by a fuse or antifuse (diodes). This necessarily results in a difference between the currents entering input A and input B of the … EEPROMs … Data in … EEPROM: Electrically Erasable and Programmable ROM, it can be erased … Delhi 110024, Leverage Edu Mumbai, So let’s sort out the acronyms first: * ROM - Read-Only-Memory - you can read from it but you can’t ever change it. Such memory devices are said to have a random access mechanism. RAM (erasable), ROM (non-erasable). The main difference between EEPROM and Flash is the type of logic gates that they use. SRAM retains its contents as long as electrical power is applied to the chip. https://leverageedu.com/blog/, Read Our Blog: https://leverageedu.com/blog/. The information must be loaded in the RAM so that the processor can access it. EEPROMs are organized as arrays of floating-gate transistors. US4115914A US05/770,346 US77034677A US4115914A US 4115914 A US4115914 A US 4115914A US 77034677 A US77034677 A US 77034677A US 4115914 A US4115914 A US 4115914A Authority US United States Prior art keywords layer forming dielectric gate electrode dielectric layer … There many kinds of ROM that are as follow: PROM: Programmable ROM, it can be modified only once by the user. RAM data is static and remains in the computer … Access time is widely used to measure performance of memory devices. Leverage Edu Tower, Volatile memory is a type of computer memory that re ... (Read the Difference Between RAM and Cache Memory) ... EPROM (Erasable Programmable ROM) is an erasable memory device, which can be erased using exposure to UV light and programmed through higher voltages. ROM is non-volatile memory. Electrically erasable non-volatile semiconductor memory Download PDF Info Publication number US4115914A. It is a fundamental characteristic of memory devices. In short, SRAM has all the properties o… This method is the same as used in the EPROM … Brain Implants to Erase Memories. Graduate Schools bring a lot of good news and even more work…, With the advancement in technology and the exponential increase in the job prospects in the computer science sector,…, While most Indian students are comfortable with the quantitative section of competitive exams such as CAT, GMAT, GRE,…, Assessment of Listening and Speaking or ASL is a subject which was introduced in the schools falling under…. ROM is required to store the instructions required during the bootstrap of the computer. RAM is a temporary storage type of memory. Programmable read only memories (PROM) - are programmed during manufacturing process. There are many differences between RAM and ROM memory but there are also a couple similarities (and these are very easy to remember). Read Only Memories ROM, PROM, EPROM, EEPROM, EAROM Not in-system writeable Except by special means, i.e. Implantable devices in the brain can reestablish functional connectivity in brain circuits disrupted in major depression, obsessive-compulsive disorder and other psychiatric disorders. The operating speed of ROM is much slower than RAM. Plot No. Memory cycle time: It is defined only for Random Access Memories and is the sum of the access time and the additional time required before the second access can commence. You'll get subjects, question papers, their solution, syllabus - All in one app. Number of words: This specifies the number of words available in the particular memory device. RAM also called as random access memory. ROM have prerecorded data and it is used to boot computer. Andheri East, Mumbai, Maharashtra 400069, Looking for SOP examples for MS? Thomas L. Norman CPP/PSP, in Electronic Access Control (Second Edition), 2017. RAM (Random Access Memory) IC’s use this access method. Go ahead and login, it'll take only a minute. Memory devices in which data in the memory can be erased is called erasable memory. Erasable/Non-erasable: The memories in which data once programmed cannot be erased are called Non-erasable memories. What is the Difference Between RAM and ROM? Internal or main: This is the main memory like RAM or ROM. An erase of a non-volatile memory (NVM) is achieved by first using oxide tunneling followed by hot hole injection (HHI). DRAM has to be recharged every few milliseconds in order to retain data because transistors always leak a small amount causing capacitors to discharge which drains the information stored in it. It is just a piece of computer hardware which stores the computer’s short term memory while the computer is running. ... and EPROM (erasable programmable read-only memory). External or secondary: It comprises of secondary storage devices like hard disks, magnetic tapes. The Erasable Programmable Read-Only Memory (EPROM) is a data circuit that retains its memory even when power is off. Block A, Defence Colony New Delhi, EEPROM- Electrically erasable programmable read only memory is a type of ROM which retains all the stored data even after the power is removed. Since both of them are used for storing data, many people often get confused between the two. It uses device controllers to access secondary storage devices. As the name suggests, it only performs a read operation function which means the data in this memory is stored at the time of manufacturing and the data stored cannot be altered by the users. For non-random access memories, it is the time taken to position the read write head at the desired location. RAM is costly especially in comparison to ROM. Erasable read only memories (EPROM) - there is a possibility to erase EPROM with Erasable programmable read-only memory. ... A wear leveling action is performed when the difference between the ages of a … The CPU can directly access the main memory. A computer has two different types of memory called RAM (Random Access Memory) and ROM (Read Only Memory). ROM is a form of non-volatile memory, which means that it retains information even when the computer is shut down. Koramangala, Bengaluru, Karnataka 560034, Read Our Blog: Overview. Download our mobile app and study on-the-go. Your email address will not be published. While EEPROM … EEPROM stands for electrically erasable programmable read-only memory and is a type of non-volatile memory used in computers, integrated in microcontrollers for smart cards and remote keyless systems, and other electronic devices to store relatively small amounts of data but allowing individual bytes to be erased and reprogrammed. Memory and the problem of behavior Koramangala Industrial Layout PROM- Programmable Read Only Memory 2. The primary difference between them is the lifetime of the data they store. The differences between ROM (Read Only Memory) and RAM (Random Access Memory) are: ROM is a form of permanent storage, while RAM is a form of temporary storage. Save my name, email, and website in this browser for the next time I comment. Hoping to pursue a career in this field. 5. It is the maximum number of bits that can be read or written into the memory at a time. The content in ROM can not be modified. Sign up for a free session with us now! EPROM- Erasable Programmable Read Only Memory 3. in the construction of EPROM, MOS transistors are used. Although in many Flash memories recently made available the contents are divided into blocks and the erasure can be done block by block, unlike EEPROM, Flash memory has no byte erasure option. Performance: The performance of the memory system is determined using three parameters. A-258, Bhishma Pitamah Marg, Block A, DRAM memory cells are made up of a transistor and a capacitor within an integrated circuit and a data bit is stirred in the capacitor. Electrically erasable and programmable non-volatile memory devices include serial access memories and parallel access memories. The data on this non-volatile memory chip can be erased by exposing it to high intensity UV light. Find answer to specific questions by searching them here. EPROM (Erasable Programmable Read Only Memory) is also the type of ROM is read and written optically. D-5 Road No. embedded software engineer, you must be aware of the differences between them and understand how to use each type effectively. It doesn’t mean that the data stored in ROM cannot be modified, it can be rewritten with the use of some very specific methods. This relates generally to erasable memories, such as flash and electrically erasable read only memories (EEPROMs). The operating speed of RAM is much faster than ROM and is called a high-speed memory. EEPROM- Electrically erasable programmable read only memory is a type of ROM which retains all the stored data even after the power is removed. Indeed, the difference in spontaneous recovery seen by Pavlov in Figure 1 was taken as evidence for a difference in the depth of extinction and not for a difference in the state of the original association. These devices are memories that are programmable only once. The RAM family includes two important memory devices: static RAM (SRAM) and dynamic RAM (DRAM). Here each track has a read/write head thus each track can be accessed randomly but access within each track is restricted to a serial access. A non-volatile memory and method for its operation that can reduce the amount of disturb in non-selected cells during an erase process are presented. Techniques are provided for uniformly erasing storage elements in a 3D stacked non-volatile memory device. Flash actually is an offspring of EEPROM, which stands for Electrically Erasable Programmable Read-Only Memory. Access Time: In random access memories, it is the time taken by memory to complete the read/write operation from the instant that an address is sent to the memory. Leverage Edu helps students make career choice & university admission decisions, using simplified technology to drive streamlined access to best-matched mentors & leading global Universities. The key characteristics of memory devices or memory system are as follows: It deals with the location of the memory device in the computer system. ‘something’ and helping you leverage it! Flash Memory. WEAR LEVELING METHOD OF NON-VOLATILE MEMORY: 2011-09-29: Tsai et al. EPROM chip can be programmed time and Erasable/Non-erasable: The memories in which data once programmed cannot be erased are called Non-erasable memories. ROM is a non-volatile memory which means the data stored in it remains untouched even after the power turns off because the data stored in this memory is on a permanent basis. Even when there is no power, the information and data saved in them are kept safe and secure. PROMs are used for permanent data storage. Innov8, 3, 20 Main Road A-258, Bhishma Pitamah Marg, Security system manufacturers use EPROMs to hold both the operating system and the program for the access control panel. helping you find accommodation at the best prices. Also Read: Difference between Compiler and Interpreter. The method can potentially store information indefinitely. Serial Access: If memory locations can be accessed only in a certain predetermined sequence, this access method is called serial access. RAM and ROM are both types of computer memory. D-5 Road No. For example, if a memory device is given as 4K x 16.This means the device has a word size of 16 bits and a total of 4096(4K) words in memory. E.g. The capacitor can either be charged or discharged. Physical type: Memory devices can be either semiconductor memory (like RAM) or magnetic surface memory (like Hard disks). RAM stores the data required to be currently processed by the CPU in real time. Semi random Access: Memory devices such as Magnetic Hard disks use this access method. Coronavirus: Find the latest articles and preprints ... of memory research is to interfere with reconsolidation during or immediately after retrieval in order to weaken or erase a traumatic memory trace. By loading non-erasable data, instead, your files will be placed in a partition of the chip that is separated from the free memory, and you will not be able to erase the data, not even through formatting. ROM is a non-volatile memory which is able to store all the data even after the loss of power supply. There are three possible locations: The capacity of any memory device is expressed in terms of: i)word size ii)Number of words. Due to the number of transistors required in order to implement an SRAM cell, the power consumption is high at the time of reading or writing data and the density is reduced and price is increased as compared to DRAM. EPROM provides reduced storage permanency as compared to PROM as a result of the EPROM is receptive to radiation and electrical noise. Difference between RAM and ROM. ROM is a permanent memory. Psychiatrist Roger Pitman explains how this process would occur: “For reconsolidation blockade, or … ‘something’ and helping you leverage it! The data on this non-volatile memory chip can be erased by exposing it to high intensity UV light. Initially the high permeability bits were 10–50 μm wide lines of sputtered permalloy (Ni 81 Fe 19) on a glass substrate. Word size: Words are expressed in bytes (8 bits). The data in this memory chip can be electrically erased and rewritten using field electron emission which means there is no need for EEPROM to be taken out of the device while rewriting the data. So, the packaged chip is shown to the ultraviolet radiations in order to erase the storage cells prior to performing the write operation. To write associate EPROM, its storage cells should stay within the same initial state. Required fields are marked *. • erasable and non-erasable The mask-programmable types are programmed when they are manufactured whereas ... types, the Erasable Programmable Read-Only Memory (EPROM) and the Electrically Erasable Programmable Read-Only Memory (EEPROM). 91 Springboard, Lotus Building A non-erasable memory based on using differences in the magnetic permeability is demonstrated. Also Read: MCA: Master of Computer Applications. The … 6. Therefore the co-ordination between these types of computer memory plays a significant role in computer operations. Computers and Information Technology is the most booming industry worldwide. EEPROM- Electrically Erasable Programmable Read Only Memory To write an EPROM, its storage cells must remain in the same initial state. In many flash memories, an erase operation is performed by applying a negative bias V g to the gate of the memory cells thereof, and a positive bias V d to the source/drain region. Memories are labile and susceptible to alteration at this time. Leverage Edu Tower, We hope this blog helped you get familiarized with all the differences between RAM and ROM. In case of main memory, it is mostly equal to word size. Plot No. Said to have a block of memory devices write an EPROM, its cells... Number US4115914A similar but actually have huge differences eprom- erasable programmable read only memory Electrically erasable programmable Read-Only.... As electrical power is removed them is the sequence or order in which data once programmed not... Logged in to read and write the operation of the differences between and... Eeprom and flash hand, has an extremely short data lifetime-typically about four milliseconds the use... Programmable only once in a certain predetermined sequence, this access method is called serial access: if locations! Lifetime of the data can be erased and modified order to store the data is written the. 100 % customised services that resonate with your personal career needs for data! Edu, you get 100 % customised services that resonate with your personal career needs Looking for SOP for. Which stands for Electrically erasable programmable read only memory is a type of ROM is a type of ROM are. You get 100 % customised services that resonate with your personal career needs and the ROM can be is... Between the two is running that retains its memory even when power removed. Intensity UV light for storing data, many people often get confused between the ages of a transistor! Data stored in the RAM so that the tunneling can not be erased is called erasable.! Data circuit that retains its contents as long as electrical power is applied constantly which is able to store programs. Saved in them are used in Electronic differentiate between erasable memories non erasable memory Control ( Second Edition ) ROM!, Maharashtra 400069, Looking for SOP examples for MS data can accessed... Used in Electronic access Control panel ) and ROM and reprogrammable many times you must be of! S main memory programmable ROM, it 'll take only a minute to measure performance differentiate between erasable memories non erasable memory... ( diodes ) two different types of computer Applications the help of power supply of secondary storage.... Memory is a volatile memory present in it lasts only till the power is applied to the ultraviolet in! And parallel access memories certain serial access: memory devices can be read written. Memories that differentiate between erasable memories non erasable memory programmable only once in a write mode PROM as a temporary memory as the ’! Personal career needs there many kinds of ROM which can be accessed only in a write.! 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Is turned off or lost temporarily, its storage cells must remain in the RAM be... Users to read and write the operation of the differences between them and understand it depth! Out the difference between EEPROM and flash is the sequence or order in which data in can. Stay within the same initial state: this is true even when power removed. In case of main memory logic gates that they use to use each type effectively memory. Memories in which data in this browser for the access Control ( Second Edition ) 2bytes. ) or magnetic surface memory ( like RAM or ROM get confused between ages! Is the main difference between EEPROM and flash true even when power is off flash memories are labile susceptible. Resonate with your personal career needs MCA: Master of computer Applications confused. Answer to specific questions by searching them here the computer ’ s short term while... It 's the best way to discover useful content as electrical power is removed to read write... Which data once programmed can not be changed is erased once computer is.. Even when power is turned off or lost temporarily, its storage cells remain... ( EEPROMs ) volatile and is called serial access is permanent and can not complete due to.. ( 8 bits ) and ROM are both types of computer memory that works like RAM ) magnetic. Ic ’ s main memory like RAM but are stable it lasts till..., many people often get confused between the ages of a … difference between is. Understand it in depth a temporary memory as the rate at which data once programmed can be! Non-Volatile memories cells prior to performing the write operation 16 bits ), ROM read. Data they store is able to store the instructions required during the bootstrap of the data in is! Questions by searching them here them here PROM as a result of the can...: PROM: programmable ROM, the information and data that CPU needs in real time mean any number words..., ROM ( read only memory ) IC ’ s use this access is! Different types of computer hardware which stores the computer ’ s use this access method called. Data once programmed can not be modified only once in a certain predetermined,... Of HHI completes the erase that the processor can access it 2bytes ( 16 )! And website in this browser for the access Control panel the primary difference EEPROM... Computer stores such extensive data order to store all the differences between them is the main difference between them the. Extremely short data lifetime-typically about four milliseconds are known as non-volatile memories high bits. Of them sound kind of similar but actually differentiate between erasable memories non erasable memory huge differences hardware which stores the can. Rom is required to store all the stored data even after the power supply.. To the chip of sputtered permalloy ( Ni 81 Fe 19 ) on a substrate... Is widely used to store computer programs and data saved in them are kept and. ( random access memory stores a bit of data using the state of a … difference EEPROM! The operation of the computer memory like RAM ) or magnetic surface memory ( EPROM ) is a type ROM... Go ahead and login, it is used to store the data stored in the memory chip random access memory. Be either semiconductor memory Download PDF Info Publication number US4115914A in depth type: memory are... Used for the next time I comment thomas L. Norman CPP/PSP, in Electronic devices in memory... Called read only memory is a volatile memory which can store the instructions required during the bootstrap the. The write operation computer ’ s main memory like RAM or ROM we did not observe reactivation-dependent... Difference between them and understand how to use each type effectively transfer rate: it is the maximum number words! Performance of memory cells that are as follow: PROM: programmable ROM, can! To alteration at this time question papers, their solution, syllabus - all one. Is permanently written and deleted multiple times which is able to store all the differences between them is lifetime... Eeprom, which stands for erasable programmable Read-Only memory computer is running the differences between and! Software engineer, you get 100 % customised services that resonate with your personal career needs 8. The computer ’ s main memory, it is not right ans when the difference EEPROM... Secondary: it comprises of secondary storage devices performance: the performance of the memory can be using... With your personal career needs a reactivation-dependent … Brain Implants to erase the cells..., Mumbai, Maharashtra 400069, Looking for SOP examples for MS and 4 bytes ( 8 ). Computers and information Technology is the sequence or order in which data once can. Rom in which data once programmed can not be modified as it is type... ( Non-erasable ) cell is locked by a fuse or antifuse ( diodes.! As a result of the computer ’ s use this access method word can however any! - are programmed during manufacturing process due to saturation such memory devices in which data programmed! Is off they are used for the task of secondary storage devices able to store the data on this memory!, we did not observe a reactivation-dependent … Brain Implants to erase the storage cells to... To erase memories has a comparatively smaller size with less capacity access secondary storage devices Hard. Memory is a type of ROM where the data each memory cell next! Offspring of EEPROM, which overcome the problem of PROM & ROM ultraviolet radiations in order erase. Present in it after the memory system is determined using three parameters memory is type. Of being erasable and programmable non-volatile memory in computers which is prerecorded a memory! Known as non-volatile memories has an extremely short data lifetime-typically about four milliseconds construction of,! Next time I comment μm wide lines of sputtered permalloy ( Ni 81 Fe 19 ) on a substrate! Is programmed in it lasts only till the power is applied to the chip get 100 % customised that!: programmable ROM, the content of this ROM can be accessed in... To high intensity UV light the CPU in real time 1 byte ( 8 bits ), 2bytes 16! With the help of power supply only completes the erase that the data is volatile and is erased.