X4043 Overview
Description
The X4043/45 combines four popular functions, Power-on Reset Control, Watchdog Timer, Supply Voltage Supervision, and Block Lock Protect Serial EEPROM Memory in one package. This combination lowers system cost, reduces board space requirements, and increases reliability.
Key Features
- Selectable watchdog timer
- 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)
- 400kHz 2-wire interface
- 2.7V to 5.5V power supply operation
- Available packages -8 Ld SOIC -8 Ld MSOP -8 Ld PDIP
