HomedatasheetMAX691AC

MAX691AC Datasheet

Microprocessor Supervisory Circuits
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Description

The MAX691AC micro- processor (µP) supervisory circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30µA supply current, 200ms typ reset active delay on power-up, and 6ns chip- enable propagation delay. Features include write pro- tection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and a RESETout- put that is valid with VCCdown to 1V. The MAX691A/ MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800Ms’ reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%. MAX691AC Features • 200ms Power-OK/Reset Timeout Period• 1µA Standby Current, 30µA Operating Current• On-Board Gating of Chip-Enable Signals, 10ns max Delay• MaxCap®or SuperCap Compatible• Guaranteed RESETAssertion to VCC= +1V• Voltage Monitor for Power-Fail or Low-Battery Warning• Power-Fail Accuracy Guaranteed to ±2% (MAX800L/M)• Available in 16-Pin Narrow SO, Plastic DIP, and TSSOP Packages MAX691AC Applications • Computers• Controllers• Intelligent Instruments• Automotive Systems• Critical µP Power Monitoring
Features

Parameters

[{"Name":"Reset Timeout ","Value":"140 ms Minimum"},{"Name":"Voltage - Threshold ","Value":"4.65V"},{"Name":"Operating Temperature ","Value":"0°C ~ 70°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SIEMENS [SIEMENS SEMICONDUCTOR GROUP]
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