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X40626 Datasheet

Part Number X40626
Manufacturers Xicor
Logo Xicor
Description Dual Voltage CPU Supervisor with 64K Serial EEPROM
Datasheet X40626 DatasheetX40626 Datasheet (PDF)

Preliminary Information 64K X40626 Dual Voltage CPU Supervisor with 64K Serial EEPROM DESCRIPTION 8K x 8 Bit FEATURES • Dual voltage monitoring —V2Mon operates independent of VCC • Watchdog timer with selectable timeout intervals • Low VCC detection and reset assertion —Four standard reset threshold voltages —User programmable VTRIP threshold —Reset signal valid to VCC=1V • Low power CMOS —20µA max standby current, watchdog on —1µA standby current, watchdog OFF • 64Kbits of EEPROM —64 byte pa.

  X40626   X40626






Part Number X40626
Manufacturers Renesas
Logo Renesas
Description 8K x 8 Bit Dual Voltage CPU Supervisor
Datasheet X40626 DatasheetX40626 Datasheet (PDF)

DATASHEET X40626 64K, 8K x 8 Bit Dual Voltage CPU Supervisor with 64K Serial EEPROM FN8119 Rev 0.00 March 28, 2005 FEATURES • Dual voltage monitoring —V2Mon operates independent of VCC • Watchdog timer with selectable timeout intervals • Low VCC detection and reset assertion —Four standard reset threshold voltages —User programmable VTRIP threshold —Reset signal valid to VCC=1V • Low power CMOS —20µA max standby current, watchdog on —1µA standby current, watchdog OFF • 64Kbits of EEPROM —64 b.

  X40626   X40626







Dual Voltage CPU Supervisor with 64K Serial EEPROM

Preliminary Information 64K X40626 Dual Voltage CPU Supervisor with 64K Serial EEPROM DESCRIPTION 8K x 8 Bit FEATURES • Dual voltage monitoring —V2Mon operates independent of VCC • Watchdog timer with selectable timeout intervals • Low VCC detection and reset assertion —Four standard reset threshold voltages —User programmable VTRIP threshold —Reset signal valid to VCC=1V • Low power CMOS —20µA max standby current, watchdog on —1µA standby current, watchdog OFF • 64Kbits of EEPROM —64 byte page size • 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 —Slave addressing supports up to 4 devices on the same bus • 2.7V to 5.5V power supply operation • Available Packages —14-lead SOIC —14-lead TSSOP BLOCK DIAGRAM V2MON V2 Monitor Logic Watchdog Transition Detector WP Data Register Command Decode & Control Logic VCC Threshold Reset logic Block Lock Control The X40626 combines four popular functions, Power-on Reset Control, Watchdog Timer, Dual Supply Voltage Supervision, and Serial EEPROM Memory in one package. This combination lowers system cost, reduces board space requirements, and increases reliability. Applying power to the device activates the power on reset circuit which holds RESET active for a period of time. This allows the power supply and oscillator to stabilize before the processor can execute code. .


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