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24C256 - 256K-Bit 2-Wire Bus Interface Serial EEPROM

Datasheet Summary

Description

The FM24C256/C256L/C256LZ devices are 256 Kbits CMOS nonvolatile electrically erasable memory.

These devices offer the designer different low voltage and low power options.

They conform to all requirements in the Extended IIC 2-wire protocol.

Features

  • I Extended Operating Voltages.
  • C256: 4.5V - 5.5V.
  • C256L: 2.7V - 5.5V.
  • C256LZ: 2.7V - 5.5V I Low Power CMOS.
  • 1mA active current typical.
  • C256/C256L: 10µA standby current typical.
  • C256LZ: less than 1µA standby current I 2-wire IIC serial interface I 64 byte page write mode I Max write cycle time of 6ms byte/page I 40 years data retention I Endurance: 100,000 data changes I Hardware write protect for entire array I Schmitt trigger inputs for noi.

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Datasheet Details

Part number 24C256
Manufacturer FairchildSemiconductor
File Size 89.12 KB
Description 256K-Bit 2-Wire Bus Interface Serial EEPROM
Datasheet download datasheet 24C256 Datasheet
Additional preview pages of the 24C256 datasheet.

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Full PDF Text Transcription

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FM24C256 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect June 2000 FM24C256 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect General Description The FM24C256/C256L/C256LZ devices are 256 Kbits CMOS nonvolatile electrically erasable memory. These devices offer the designer different low voltage and low power options. They conform to all requirements in the Extended IIC 2-wire protocol. Furthermore, they are designed to minimize device pin count and simplify PC board layout requirements. The entire memory array can be write disabled (Write Protection) by connecting the WP pin to VCC. Functional address lines allow up to eight devices on the same bus, for up to a total of 2 Mbit address space.
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