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X40421

Xicor
Part Number X40421
Manufacturer Xicor
Description (X40420 / X40421) Dual Voltage Monitor
Published May 28, 2007
Detailed Description New Features • • • • Monitor Voltages: 5V to 1.6V Memory Security Battery Switch Backup VOUT 5mA to 50mA Preliminary Da...
Datasheet PDF File X40421 PDF File

X40421
X40421

Overview
New Features • • • • Monitor Voltages: 5V to 1.
6V Memory Security Battery Switch Backup VOUT 5mA to 50mA Preliminary Datasheet 4kbit EEPROM X40420/X40421 APPLICATIONS • Communications Equipment —Routers, Hubs, Switches —Disk arrays • Industrial Systems —Process Control —Intelligent Instrumentation • Computer Systems —Desktop Computers —Network Servers X40420/21 Dual Voltage Monitor with Integrated CPU Supervisor and System Battery Switch FEATURES • Dual voltage detection and reset assertion —Three standard reset threshold settings (4.
6V/2.
9V, 4.
6V/2.
6V, 2.
9V/1.
6V) —VTRIP2 Programmable down to 0.
9V —Adjust low voltage reset threshold voltages using special programming sequence —Reset signal valid to VCC = 1V —Monitor two voltages or detect power fail • Battery Switch Backup • VOUT: 5mA to 50mA from VCC; or 250µA from VBATT • Fault detection register • Selectable power on reset timeout (0.
05s, 0.
2s, 0.
4s, 0.
8s) • Selectable watchdog timer interval (25ms, 200ms, 1.
4s, off) • Debounced...


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