DataSheet: PDF icon Serial EEPROM 24Cpdf. AT24C02 is an electrically erasable and programmable ROM. It has a 2Kbits of memory size arranged in 32 . trically erasable and programmable read-only memory (EEPROM) organized as . Part of the Array Protected. 24C01A. 24C 24C 24C 24C At VCC. 24c02 EEPROM are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for 24c02 EEPROM.

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You didn’t want it last time, but I saved it for you anyway. But that does not make them available Electronic Inventions and Discoveries: Skip to datashset content.

Siemens Forschungs und Entwicklungsberichte. The manufacturers usually specify the maximum number of rewrites being 1 million or more.

Serial EEPROM AT24C02

It was also used on video game cartridges to save game progress and configurations, before the usage of external and internal flash memories. Theoretical basis of the physical phenomenon itself is the same as today’s flash memory. For more details on different operations and addressing, refer interfacing 24C02 with Magnetic tape Hard disk drive.

From Wikipedia, the free encyclopedia. This last bit is 1 for write and 0 for read operation.

It has a 2Kbits of memory size arranged in 32 pages of 8 byte each. In early s, some studies, inventionsand development for electrically re-programmable non-volatile memories were performed by various companies and organizations. Inone of electrically re-programmable non-volatile memory was invented by Fujio Masuoka at Toshiba, who is also known as the inventor 2402 flash memory. I had to ask it twice By using this site, you agree to the Terms of Use and Privacy Policy.

Archived copy as title Datashdet articles with GND identifiers.


Similarly for read operation the device address to be sent is 0xA0 Archived from the original on 3 May Retrieved from ” https: Virgin Galactic — Commercial Space Flight. EEPROM also E 2 PROM 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 systemand other electronic devices to store relatively small amounts of data but allowing individual bytes to be erased and reprogrammed.

Paper data storage Drum memory Magnetic-core memory Plated wire memory Core rope memory s Thin-film memory Disk pack Twistor memory — Bubble memory — Floppy disk Next time you call the I2C read routine, you give it an address, and again immediately say “have you got any data? These use from 1 to 4 device pins and allow devices to use packages with 8-pins or less.

But each FLOTOX structure is in datashee with another read-control transistor because the floating gate itself is just programming and erasing one data bit. As is described in former section, old EEPROMs are based on Avalanche breakdown -based hot-carrier injection with high reverse breakdown voltage.

Interface SD Card with Arduino. I had the impression that ” The Japan Society of Applied Physics: During rewrites, the gate oxide in the floating-gate transistors gradually accumulates trapped electrons. And indeed, you are quit right, of course.

EEPROM – Wikipedia

There is no clear boundary dividing the two, but the term “EEPROM” is generally used to describe non-volatile memory with small erase blocks dataheet small as one byte and a long lifetime typically 1, cycles. This page was last edited on 20 Octoberat SPI Module of Arduino.

During storage, the electrons injected into the floating gate may drift through the insulator, especially at increased temperature, and cause charge loss, adtasheet the cell into erased state. It hasn’t yetso you return your unitialised variable “result”, but the library kindly buffers the data from the I2C bus when it does arrive.


This data byte is to be written on or read by the microcontroller. The electric field of the trapped electrons adds to the electrons in the floating gate, lowering the window between threshold voltages for zeros vs ones. Flash memory is a type of EEPROM designed for high speed and high density, at the expense of large erase blocks typically bytes or larger and limited number of write cycles often 10, EEPROM still requires 2 transistors structure per bit to erase a dedicated byte in the memory, while flash memory has 1 transistor per bit to erase a region of the memory.

The manufacturers usually guarantee data retention of 10 years or more. When data is to be read or write, first a start condition is created followed by device address, byte address and the data itself. But what if the data came from some sensor or so? There are 32 x 8 words each of one byte. The data is read or written between the start and stop conditions on every transition of SCL from high to low.

Views Read Edit View history. Reading the datasheet gave me the wrong impression that I could get away with being impatient. And me not initializing the variable “result” is indeed not quite!

Supply voltage; 5V up to 5. In the industry, there is a convention to reserve the term EEPROM to byte-wise erasable memories compared to block-wise erasable flash memories.