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MIC706P Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC706P Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 8 page 1 The MIC706P/R/S/T and MIC708R/S/T are inexpensive microprocessor supervisory circuits that monitor power supplies in 3.0 and 3.3 Volt microprocessor based systems. The circuit functions include a watchdog timer, microprocessor reset, power failure warning and a debounced manual reset input. The MIC706 offers a watchdog timer function, while the MIC708 has no watchdog timer but has an active high reset output in addition to the active low reset output. The R, S, and T versions are similar in all respects except for supply voltage reset threshold levels. The threshold levels are 2.63, 2.93, and 3.08V respectively. When the supply voltage drops below the reset threshold level, RESET (and RESET for the MIC708) is asserted. The MIC706P is identical to the MIC706R, except that the Reset output is asserted high. 1 2 3 4 VCC GND PFI 8 7 6 5 WDO RESET WDI PFO MIC706 MR PFO 1 2 3 4 VCC GND PFI 8 7 6 5 RESET RESET NC PFO MIC708 MR PFO (RESET for MIC706P) Top View N Package - 8 Lead Plastic DIP Package M Package - 8 Lead Plastic SOIC Package Part Package Temp. Range MIC70_ _N 8-Lead PDIP -40°C to +85°C MIC70_ _M 8-Lead SOIC -40°C to +85°C · Laptop Computers · Intelligent Instruments · Critical Microprocessor Power Monitoring · Printers · Computers · Controllers · 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 VCC RESET µP RESET VCC MIC706 +3.0 or +3.3V (Regulated) MR WDI I/O Line PFO Interrupt PFI DC Voltage (Unregulated) Manual Reset WDO NMI Typical Operating Circuit Features Description Pin Configuration Ordering Information Typical Applications MIC706P/R/S/T, MIC708R/S/T µP Supervisory Circuits MIC706P/R/S/T, MIC708R/S/T µP Supervisory Circuits |
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