MAX698

PRODUCTION

Low-Cost, Power-On Reset and Watchdog Controllers

Data Sheet (Rev. 5) Product Selection Table

Part Models: 5
1ku List Price: Starting From $2.78

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Overview

Precision Voltage Monitor
Power-OK/Reset Time Delay
Watchdog Timer
Minimum Component Count

The MAX698/MAX699 monitor the +5V supply in microprocessor (µP) and digital systems. They supply a active-low RESET pulse of at least 140ms duration on power-up, power-down, and during low-voltage brownout conditions. Circuit reliability is increased at reduced cost by eliminating all external components and adjustments.

The MAX699 includes all features of the MAX698, but also provides a watchdog input to monitor microprocessor activity. The active-low RESET output goes low if the watchdog input (WDI) is not toggled within 1 second. The watchdog feature can be disabled by leaving WDI open.

Both parts are supplied in 8-lead PDIP and 16-lead 0.3in wide small outline (SO) packages and are specified from 0°C to +70°C for C grade devices and -40°C to +85°C for E devices. The SO versions, with more pins than the 8-lead PDIP, have additional outputs not available in DIP packages. These are RESET (without inversion) and watchdog output (active-low WDO).

Applications

Computers
Controllers
Critical µP Power Monitoring
Intelligent Instruments

Part Models: 5
1ku List Price: Starting From $2.78

Documentation

Data Sheet 1

MAX698-MAX699: Low-Cost, Power-On Reset and Watchdog Controllers Data Sheet (Rev.5) 11/25/2014

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
MAX698CPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX698CWE+	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX698CWE+T	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX698EPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX698EWE+	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

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
Supervisory Circuits & Reset ICs 7
MAX6316	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset
MAX6317	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset
MAX6318	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset
MAX6319	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset

MAX6320	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset
MAX6321	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset
MAX6322	PRODUCTION	5-Pin µP Supervisory Circuits with Watchdog and Manual Reset

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