® X4043, X4045 4k, 512 x 8 Bit Data Sheet September 30, 2005 FN8118.
1 CPU Supervisor with 4kbit EEPROM FEATURES • Selectable watchdog timer • Low VCC detection and reset assertion —Five 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 • 4kbits of EEPROM —16-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 16, 32, 64 or 128 bytes of EEPROM array with Bl...

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