Description
® X4163, X4165 16K, 2K x 8 Bit Data Sheet April 13, 2005 FN8120.0 CPU Supervisor with 16K EEPROM .
The X4163/5 combines four popular functions, Poweron Reset Control, Watchdog Timer, Supply Voltage Supervision, and Serial EEPROM Memory in one packag.
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
Applications
* requiring higher precision. BLOCK DIAGRAM
Watchdog Transition Detector WP Data Register Command Decode & Control Logic VCC Threshold Reset logic Block Lock Control Protect Logic Status Register EEPROM Array RESET (X4163) RESET (X4165) Watchdog Timer Reset
SDA
SCL S0 S1
Reset & Watchdog Timebase