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The MAX690ACSA+T is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are the specifications, descriptions, and features based on the Manufactor Datasheet:

Specifications:

• Manufacturer: Maxim Integrated
• Series: MAX690
• Package/Case: SOIC-8
• Type: Supervisory Circuit
• Output Type: Active-Low, Push-Pull
• Number of Voltages Monitored: 1
• Reset Threshold Voltage: 4.65V (typical)
• Reset Timeout Period: 200ms (typical)
• Operating Supply Voltage: 1.2V to 5.5V
• Operating Temperature Range: 0°C to +70°C
• Manual Reset Input: Yes
• Watchdog Timer: Yes (1.6s typical timeout)
• Battery Backup Switching: Yes

Descriptions:

The MAX690ACSA+T is a low-power microprocessor supervisory circuit designed to monitor system power supply voltages. It ensures proper system operation by generating a reset signal if the supply voltage drops below a preset threshold. It includes a watchdog timer, manual reset input, and battery backup switching capability.

Features:

• Voltage Monitoring: Monitors VCC for undervoltage conditions.
• Reset Output: Active-low RESET signal during power-up, power-down, or brownout conditions.
• Watchdog Timer: Prevents system lock-up by requiring periodic toggling.
• Manual Reset Input: Allows external pushbutton reset.
• Battery Backup Switching: Automatically switches to backup battery when VCC fails.
• Low Supply Current: Typically 35μA.
• Wide Operating Voltage Range: 1.2V to 5.5V.

This information is strictly factual and based on manufacturer specifications.