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MCP1322 Datasheet(PDF) 9 Page - Microchip Technology |
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MCP1322 Datasheet(HTML) 9 Page - Microchip Technology |
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9 / 44 page  © 2007 Microchip Technology Inc. DS21985B-page 9 MCP131X/2X FIGURE 1-2: MR and Reset Pin Waveforms. TABLE 1-2: MR AND RESET PIN TIMINGS FIGURE 1-3: WDI and Reset Pin Waveforms. TABLE 1-3: WDI AND RESET PIN TIMINGS Electrical Specifications: Unless otherwise indicated, all limits are specified for VDD = 1V to 5.5V, RPU = 100 kΩ (only MCP1320, MCP1321, and MCP1322), TA = -40°C to +125°C. Parameters Sym Min Typ Max Units Conditions MR Pulse Width tMR 1— — µs MR Active to RST/RST Active tMRD —235 — ns VDD = 5.0V MR Input Noise filter tNF —150 — ns VDD = 5.0V Note 1: These parameters are for design guidance only and are not 100% tested. Electrical Specifications: Unless otherwise indicated, all limits are specified for VDD = 1V to 5.5V, RPU = 100 kΩ (only MCP1320, MCP1321, and MCP1322), TA = -40°C to +125°C. Parameters Sym Min Typ Max Units Conditions WDI Pulse Width tWP 50 — — ns Watchdog Time Out Period tWD 4.3 6.3 9.3 ms Note 1 71 102 153 ms Note 1 1.12 1.6 2.4 sec Standard Time Out 17.9 25.6 38.4 sec Note 1 Note 1: Custom ordered WatchDog Timer time out; minimum order volume requirement. MR RST tRST tMR RST tMRD tNF RST RST WDI (Note 1) tWP tWD tWD tRST Note 1: The WDI pin was a weak pull-up resistor which is disabled after the 1st falling edge on the WDI pin. |
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Similar Description - MCP1322 |
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