DESCRIPTION

The M34C00 is a 384-bit serial EEPROM. The bottom third of the memory area (from location 00h to 0Fh) can be Write-protected using a specially designed software Write-protection mechanism. By sending the device a specific sequence, the first 128 bits of the memory become permanently Write-protected. Care must be taken when using this sequence as its effect cannot be reversed.

■ Two-Wire I2C Serial Interface Supports 400 kHz Protocol

■ 2.5 V to 5.5 V Single Supply Voltage

■ 384-bit EEPROM divided in three areas:

– 128 bits of non-erasable memory

– 128 bits of standard EEPROM

– 128 bits that can be permanently Write protected (to behave as ROM)

■ Self-Timed Program Cycle

■ Enhanced ESD/Latch-Up Protection

■ More than 1 Million Erase/Write Cycles

■ More than 40 Year Data Retention