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MCP1320 Datasheet(PDF) 7 Page - Microchip Technology |
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MCP1320 Datasheet(HTML) 7 Page - Microchip Technology |
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7 / 44 page  © 2007 Microchip Technology Inc. DS21985B-page 7 MCP131X/2X RST/RST Low-Level Output Voltage VOL —— 0.3 V IOL = 50 µA, 1.0V ≤ VDD ≤ 1.5V —— 0.3 V IOL = 100 µA, 1.5V < V DD ≤ 2.5V —— 0.3 V IOL = 2 mA, 2.5V < VDD ≤ 4.5V —— 0.3 V IOL = 4 mA, VDD > 4.5V RST/RST High-Level Output Voltage VOH VDD – 0.7 —— V IOH = 2.5 mA, VDD ≥ 2.5V (Push-Pull Outputs only) VDD – 0.7 —— V IOH = 500 µA, VDD ≥ 1.5V Input Low Voltage (MR and WDI pins) VIL VSS —0.3VDD V Input High Voltage (MR and WDI pins) VIH 0.7VDD —VDD V Open-Drain High Voltage on Output (Note 4) VODH — — 13.5 (4) V Open-Drain Output pin only, VDD = 3.0V, Time voltage > 5.5V applied ≤ 100 s, current into pin limited to 2 mA, +25°C operation recom- mended (Note 4, Note 5) Input Leakage Current (MR and WDI) IIL —— ±1 µA VSS ≤ VPIN ≤ VDD Open-Drain Output Leakage Current (MCP1316M, MCP1318M, MCP1319M, MCP1320, MCP1321, and MCP1322 only) IOD —0.003 1.0 µA Pull-up Resistance MR pin RPU —52 — k Ω VDD = 5.5V WDI pin — 52 — k Ω VDD = 5.5V RST pin — 4.7 — k Ω VDD = 5.5V, MCP131XM devices only Input Pin Capacitance (MR and WDI) CI — 100 — pF Output Pin Capacitive Loading (RST and RST) CO — — 50 pF This is the tester loading to meet the AC timing specifica- tions. DC CHARACTERISTICS (CONTINUED) 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 Note 1: Trip point is ±1.5% from typical value. 2: Trip point is ±2.5% from typical value. 3: Hysterysis is minimum = 1%, maximum = 6% at +25°C. 4: This specification allows this device to be used in PIC® microcontroller applications that require the In-Cir- cuit Serial Programming™ (ICSP™) feature (see device-specific programming specifications for voltage requirements). The total time that the RST pin can be above the maximum device operational voltage (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the device oper- ational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional information, refer to Figure 2-35. 5: This parameter is established by characterization and is not 100% tested. 6: Custom ordered voltage trip point; minimum order volume requirement. Information available upon request. |
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