FEATURES

• Dual voltage monitoring

—V2Mon operates independent of VCC

• Watchdog timer with selectable timeout intervals

• Low VCC detection and reset assertion

—Four standard reset threshold voltages

—User programmable VTRIP threshold

—Reset signal valid to VCC=1V

• Low power CMOS

—20μA max standby current, watchdog on

—1μA standby current, watchdog OFF

• 64Kbits of EEPROM

—64 byte page size

• Built-in inadvertent write protection

—Power-up/power-down protection circuitry

—Protect 0, 1/4, 1/2, all or 64, 128, 256 or 512

bytes of EEPROM array with programmable

Block Lock™ protection

• 400kHz 2-wire interface

—Slave addressing supports up to 4 devices on the same bus