Product Summary

The MAX691ACSE is a microprocessor supervisory circuit. They improve performance with 30mA supply current, 200ms typ reset active delay on power-up, and 6ns chipenable propagation delay. Features include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and a RESET output that is valid with VCC down to 1V. The applications of the MAX691ACSE include Computers, Controllers, Intelligent Instruments, Automotive Systems, Critical μP Power Monitoring.

Parametrics

MAX691ACSE absolute maximum ratings: (1)terminal voltage: -0.3 to 6V; (2)VCC peak: 1A; (3)VBATT peak: 250mA; (4)plastic DIP: 842mW; (5)operating temperature range: 0 to 70℃; (6)storage temperature range: -65 to 160℃; (7)lead temperature: 300℃; (8)input current: 1A.

Features

MAX691ACSE features: (1)200ms Power-OK/Reset Timeout Period; (2)1mA Standby Current, 30mA Operating Current; (3)On-Board Gating of Chip-Enable Signals, 10ns Max Delay; (4)Voltage Monitor for Power-Fail or Low-Battery Warning; (5)Power-Fail Accuracy Guaranteed to ±2%; (6)Available in 16-Pin Narrow SO and Plastic DIP Packages.

Diagrams

MAX691ACSE typical operating circuit

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX691ACSE
MAX691ACSE

Maxim Integrated Products

Supervisory Circuits

Data Sheet

Negotiable 
MAX691ACSE+
MAX691ACSE+

Maxim Integrated Products

Supervisory Circuits MPU Supervisor

Data Sheet

0-1: $5.67
1-25: $3.80
25-50: $2.75
50-100: $2.72
MAX691ACSE+T
MAX691ACSE+T

Maxim Integrated Products

Supervisory Circuits MPU Supervisor

Data Sheet

0-2060: $2.36
2060-2500: $2.36
MAX691ACSE-T
MAX691ACSE-T

Maxim Integrated Products

Supervisory Circuits

Data Sheet

Negotiable