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 4.65V and 4.4V are available. The MIC705 and MIC707 have a nominal reset threshold level of 4.65V while the MIC706 and MIC708 have a 4.4V nominal threshold level. When the supply voltage drops below the respective reset threshold level, /RESET is asserted.
• 30µA 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
• Laptop computers
• Intelligent systems
• Critical microprocessor power monitoring
• Printers
• Computers
• Controllers
Specifications
Attribute | Attribute Value |
---|---|
Manufacturer | Microchip Technology |
Product Category | Supervisors |
Series | - |
Type | Simple Reset/Power-On Reset |
Packaging | Tube Alternate Packaging |
Package-Case | 8-SOIC (0.154", 3.90mm Width) |
Operating-Temperature | -40°C ~ 85°C (TA) |
Mounting-Type | Surface Mount |
Supplier-Device-Package | 8-SOIC |
Output | - |
Reset | Active Low |
Voltage monitoring relays | 1 |
Reset-Timeout | 140 ms Minimum |
Voltage-Threshold | 2.63V |
Form,Package,Functional compatible component
Descriptions
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