Xicor X4285
CPU Supervisor
| Part No. | X4285 |
|---|---|
| Datasheet | X4285 Download |
| Manufacturer |  Xicor |
| Description | CPU Supervisor |
| Buy | Stock & Price |
DESCRIPTION
16K x 8 BitFEATURES
● 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
● 128Kbits 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 —Protect 0, 1/4, 1/2, all or 64, 128, 256 or 512 bytes of EEPROM array with programmable Block Lock™ protection
● 400kHz 2-wire interface
● 2.7V to 5.5V power supply operation
● Available packages —8-lead SOIC —8-lead TSSOP BLOCK DIAGRAM Watchdog Transition Detector WP Data Register Command Decode & Control Logic VCC Threshold Reset logic Block Lock Control Protect Logic The X4283/85 combines four popular functions, Power-on Reset Control, Watchdog Timer, Supply Voltage Supervision, and Block Lock protect serial EEPROM memory in one package.
