X4643
X4643 is CPU Supervisor manufactured by Intersil.
®
X4643, X4645
64K, 8K x 8 Bit
Data Sheet March 29, 2005 FN8123.0
CPU Supervisor with 64K EEPROM
Features
- Selectable watchdog timer
- Low VCC detection and reset assertion
- Four 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
- 64Kbits of EEPROM
- 64-byte page write mode
- Self-timed write cycle
- 5ms write cycle time (typical)
- Built-in inadvertent write protection
- Power-up/power-down protection circuitry
- 400kHz 2-wire interface
- 2.7V to 5.5V power supply operation
- Available...
