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onsemi,  32 kB EEPROM,  400 ns 8-Pin UDFN Serial-I2C

onsemi,  128 kB EEPROM,  40 ns 8-Pin SOIC Serial-SPI

onsemi,  4 kB EEPROM,  250 ns 8-Pin SOIC Serial-Microwire

onsemi,  64 kB EEPROM,  40 ns 8-Pin SOIC Serial-SPI

onsemi CAT93C56XI, 2kbit EEPROM Memory 8-Pin SOIC Serial-Microwire

onsemi CAT24C16LI-G, 16kbit EEPROM Memory 8-Pin PDIP Serial-I2C

onsemi CAT24C64LI-G, 64kbit EEPROM Memory 8-Pin PDIP Serial-I2C


EEPROM is short for Electrically Erasable Programmable Read-Only Memory. It is a non-volatile memory used in devices that are required to hold small amounts of data within a circuit in a compact package. Non-volatile data is able to be erased and reprogrammed.

The read-only memory or ROM can be erased and reprogrammed through the application of electrical voltages. EEPROM chips can be modified whilst still in a computer system and their non-volatile functionality means the memory can be retrieved even after the device or computer has been turned off and back on again.

### Where is EEPROM memory used?

EEPROM devices are found in computers, microcontrollers and remote keyless systems to name a few. [Flash Memory](https://uk.rs-online.com/web/c/semiconductors/memory-chips/flash-memory) is another type of EEPROM which is commonly used in applications such as USB sticks.

### EEPROM Interface Types:
- **Serial** EEPROM ICs use interfaces such as SPI or I2C. They often feature lower current consumption and voltage. They are also often smaller as can utilise packages with 8 pins or less.
- **Parallel** EEPROM ICs offer better memory density and AC performance. It is often quicker than EEPROM but usually has a higher number of pins.

### Benefits to EEPROM Memory

There are many benefits to using EEPROM memory in a computer or electronic device. The ability to erase the entire contents of an EEPROM chip as well as being able to erase single bytes per section is invaluable. As well, a variety of interfaces are available for EEPROM with both serial and parallel buses. Programming capabilities of EEPROM are easy and efficient while being programmable without removing from a device board or testing set up.



EEPROM

Memory Chips

Semiconductors

1228569899

1492797549

1805640584

1872595187

1950438482

2099506070

2911534392

2972144945

3047907070

3089561311

3379516231

3702440375

3893962904

3999174723

4084450865

482906937

573211935

607105215

630592386

1337321341

1713511683

1953764780

215561600

2212326362

245755136

2675376924

2694081498

2854130884

3031041232

3479376779

3537785963

3606191116

3676807775

3694170890

3696367266

3871454867

3980878867

4239710393

730636658

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