X40434 Datasheet | Intersil

® X40430, X40431, X40434, X40435 4Kbit EEPROM FN8251.0 Data Sheet July 29, 2005 Triple Voltage Monitor with Integrated CPU Supervisor Features - Monitoring voltages: 5V to 9V - Independent core voltage monitor - Triple voltage detection and reset assertion - Standard reset threshold settings. See selection table on page 2. - Adjust low voltage reset threshold voltages using special programming sequence - Reset signal valid to VCC = 1V - Monitor three separate voltages - Fault detection register - Selectable power-on reset timeout (0.05s, 0.2s, 0.4s, 0.8s) - Selectable watchdog timer interval (25ms, 200ms, 1.4s or off) - Debounced manual reset input - Low power CMOS - 25µA typical standby current, watchdog on - 6µA typical standby current, watchdog off - Memory security .. - 4Kbits of EEPROM - 16 byte page write mode - 5ms write cycle time (typical) - Built-in inadvertent write protection - Power-up/power-down protection circuitry - Block lock protect 0, or 1/2, of EEPROM - 400k Hz 2-wire interface - 2.7V to 5.5V power supply operation - Available...