Datasheet Summary
X4003/X4005
CPU Supervisor
Features
- Selectable watchdog timer
- Select 200ms, 600ms, 1.4s, off
- Low VCC detection and reset assertion
- Five standard reset threshold voltages nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V
- Adjust low VCC reset threshold voltage using special programming sequence
- Reset signal valid to VCC = 1V
- Low power CMOS
- 12µA typical standby current, watchdog on
- 800nA typical standby current watchdog off
- 3mA active current
- 400kHz I2C interface
- 1.8V to 5.5V power supply operation
- Available packages
- 8-lead SOIC
- 8-lead MSOP DESCRIPTION These devices bine three popular functions, Poweron Reset Control, Watchdog Timer, and Supply Voltage Supervision. This...