ADM698

PRODUCTION

Microprocessor Supervisory Circuit

Data Sheet (Rev. 0) Product Selection Table

Part Models: 1
1ku List Price: Starting From $2.34

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Overview

Superior Upgrade for MAX698/MAX699
Guaranteed RESET Assertion with V_CC = 1 V
Low 0.6 mA Supply Current
Precision 4.65 V Voltage Monitor

Power OK/Reset Time Delay
Watchdog Timer
Minimum Component Count
Performance Specified over Temperature

The ADM698 / ADM699 supervisory circuits provide power supply monitoring and watchdog timing for microprocessor systems.

The ADM698 monitors the 5 V V_CC power supply and generates a RESET pulse during power up, power down and during low voltage "Brown Out" conditions. The RESET output is guaranteed to be functional (logic low) with V_CC as low as 1 V.

The ADM699 features an identical monitoring circuit as in the ADM698 plus an additional watchdog timer input to monitor microprocessor activity. The RESET output is forced low if the watchdog input is not toggled within the 1 second watchdog timeout period.

Both parts are available in 8-pin plastic DIP and 16-lead SOIC packages. The 16-lead SOIC contains additional outputs RESET (without inversion) and Watchdog Output WDO (ADM699 only).

Part Models: 1
1ku List Price: Starting From $2.34

Documentation

Data Sheet 1

ADM698/ADM699: Microprocessor Supervisory Circuits Data Sheet (Rev.0) 07/31/1993

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADM698ANZ	8-Lead PDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 19, 2009 - 07_0024 Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad
		Material_Report Material_Report Parts List PCN07_0024_Form Qual Data
ADM698ANZ	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
ADM8699	PRODUCTION	Microprocessor Supervisory Circuit with Watchdog Feature, 4.65V Threshold Voltage, Low Supply Current and Active Low Reset Output. Upgrade for ADM699

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