MAX691A

PRODUCTION

Microprocessor Supervisory Circuits

Industry-Standard, Full-Function µP Supervisor

Data Sheet (Rev. 14) Product Selection Table

Part Models: 16
1ku List Price: Starting From $4.22

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Overview

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 Active-Low RESET Assertion to V_CC = +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

The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (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 protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and an active-low RESET output that is valid with V_CC down to 1V. The MAX691A/MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800M's reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%.

Applications

Computers: Desktop, Workstation, Server
Controllers
Critical µP Monitoring
Intelligent Instruments

Part Models: 16
1ku List Price: Starting From $4.22

Documentation

Data Sheet 2

MAX691A-MAX800M: Microprocessor Supervisory Circuits Data Sheet (Rev.14) 06/08/2018

MAX691A: Military Datasheet 09/11/2023

Reliability Data 1

MAX691A Reliability Data 01/12/2023

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
MAX691ACPE+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691ACSE+	16-SOIC_N-150_MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691ACSE+T	16-SOIC_N-150_MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691ACUE+	Thin Shrink Small-Outline Package	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691ACWE+	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691ACWE+T	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AEPE+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AESE+	16-SOIC_N-150_MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AESE+T	16-SOIC_N-150_MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AESE/GG8	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AEWE+	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AEWE+T	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AEWE/GG8	Small-Outline IC, Wide (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AMJE	Ceramic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AMJE/883B	Ceramic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX691AMSE/PR+	16-SOIC_N-150_MIL	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Dec 11, 2018 - 1754N ASSEMBLY
		pcn_1754n
MAX691ACUE+	PRODUCTION	pcn_1754n

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 6
MAX6361	PRODUCTION	SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup
MAX6362	PRODUCTION	SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup
MAX6363	PRODUCTION	SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup
MAX6364	PRODUCTION	SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup

MAX818	PRODUCTION	+5V Microprocessor Supervisory Circuits
MAX807	PRODUCTION	Full-Featured µP Supervisory Circuit with ±1.5% Reset Accuracy

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