MAX691A

SOP, micro-processor, CMOS RAM

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Price:: US $0.50~1.00 / piece [Get Latest Price]

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PartNumber:: MAX691A

Brand:: Maxim Integrated Products - Maxim | Pack: SOP | D/C: 07+

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Products Upload time: 2011-07-13

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Part Number:MAX691A
US $0.50 - 1.00
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Product Summary

The MAX691A is a micro-processor supervisory circuit, which is pin-compatible upgrades to the MAX691, MAX693, and MAX695. The MAX691A improves performance with 30 μA;A 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 RESET out-put that is valid with VCC down to 1V. The applications of the MAX691A include: Computers, Controllers, Intelligent Instruments, Automotive Systems, Critical µP Power Monitoring and so on.

Parametrics

MAX691A maximum ratings: (1)Terminal Voltage (with respect to GND): VCC, -0.3V to +6V;; (2)VBATT, -0.3V to +6V; All Other Inputs, -0.3V to (VOUT + 0.3V); (3)Input Current: VCC Peak, 1.0A; VCC Continuous, 250mA; ; (4)VBATT Peak,250mA; VBATT Continuous, 25mA; (5)GND, BATT ON: 100mA; (6)All Other Outputs: 25mA; (7)Operating Temperature Ranges: 0 to +70℃; (8)Storage Temperature Range: -65℃ to +160℃; (9)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX691A features: (1)200ms Power-OK/Reset Timeout Period; (2)1μA Standby Current, 30μA Operating Current; (3)On-Board Gating of Chip-Enable Signals, 10ns Max Delay; (4)Guaranteed RESET Assertion to VCC = +1V; (5)Voltage Monitor for Power-Fail or Low-Battery Warning; (6)Power-Fail Accuracy Guaranteed to ±2%; (7)Available in 16-Pin Narrow SO and Plastic DIP Packages.