FEATURES

? Low VCC detection and reset assertion

—Five standard reset threshold voltages

—Re-program low VCC reset threshold voltage

using special programming sequence

—Reset signal valid to VCC = 1V

? Long battery life with low power consumption

—<1μA max standby current

—<400μA max active current during read

? 32Kbits of EEPROM

? Built-in inadvertent write protection

—Power-up/power-down protection circuitry

—Protect 0, 1/4, 1/2 or all of EEPROM array with

Block Lock? protection

—In circuit programmable ROM mode

? 2MHz SPI interface modes (0,0 & 1,1)

? Minimize EEPROM programming time

—32-byte page write mode

—Self-timed write cycle

—5ms write cycle time (typical)

? 2.7V to 5.5V and 4.5V to 5.5V power supply

operation

? Available packages

—8 Ld SOIC

? Pb-free plus anneal available (RoHS compliant)