Microchip | MIC706SMY

The MIC705, MIC706, MIC707, and MIC708 are inexpensive mircoprocessor supervisory circuit that monitors power supplies in microprocessor based systems. The circuit functions include a watchdog timer, microprocessor reset, backup battery switchover, power failure warning and a debounced manual reset input. The MIC705 and MIC706 offer a watchdog timer function while the MIC707 and MIC708 have an active high reset output in addition to the active low reset output.

Supply voltage monitor levels of 4.65 V and 4.4 V are available. The MIC705 and MIC707 have a nominal reset threshold level of 4.65 V while the MIC706 and MIC708 have a 4.4 V nominal threshold level. When the supply voltage drops below the respective reset threshold level, /RESET is asserted.

Features :

• 30 µA Maximum Supply Current
• Debounced manual reset input is TTL/CMOS Compatible
• Reset Pulse Width, 200ms
• Watchdog timer, 1.6s (MIC706)
• Precision supply voltage monitor
• Early power fail warning or low battery detect

Applications :

• Laptop computers
• Intelligent systems
• Critical microprocessor power monitoring
• Printers
• Computers
• Controllers

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