FEATURES
• Dual voltage monitoring
• Active high and active low reset outputs
• Four standard reset threshold voltages
(4.6/2.9, 4.6/2.6, 2.9/1.6, 2.6/1.6)
—User programmable thresholds
• Lowline Output — Zero delayed POR
• Reset signal valid to VCC = 1V
• System battery switch-over circuitry
• Long battery life with low power consumption
—<50μA max standby current, watchdog on
—<30μA max standby current, watchdog off
• Selectable watchdog timer
—(0.15s, 0.4s, 0.8s, off)
• 64Kbits of EEPROM
• Built-in inadvertent write protection
—Power-up/power-down protection circuitry
—Protect none(0), or all of EEPROM array with
programmable Block Lock™ protection
—In circuit programmable ROM mode