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Preliminary Information 128K
X4283/85
CPU Supervisor with 128K EEPROM
DESCRIPTION
16K x 8 Bit
FEATURES • Selectable watchdog timer • Low VCC detection and reset assertion —Four standard reset threshold voltages —Adjust low VCC reset threshold voltage using special programming sequence —Reset signal valid to VCC = 1V • Low power CMOS —<20µA max standby current, watchdog on —<1µA standby current, watchdog OFF —3mA active current • 128Kbits of EEPROM —64 byte page write mode —Self-timed write cycle —5ms write cycle time (typical) • 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 www.DataSheet4U.com • 400kHz 2-wire interface • 2.7V to 5.
X4285 Datasheet
