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MCP2140-ISO 数据表(PDF) 28 Page - Microchip Technology |
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MCP2140-ISO 数据表(HTML) 28 Page - Microchip Technology |
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28 / 58 page  MCP2140 DS21790A-page 28 Preliminary 2003 Microchip Technology Inc. 4.1 DC Characteristics (Continued) DC Specifications Electrical Characteristics: Standard Operating Conditions (unless otherwise specified) Operating temperature: -40°C ≤ TA ≤ +85°C (industrial) Operating voltage VDD range as described in DC spec Section 4.1. Param No. Sym Characteristic Min Typ Max Units Conditions Input Low Voltage VIL Input pins D030 with TTL buffer (TX, RI, DTR, RTS, and CD) VSS — 0.8V V 4.5V ≤ VDD ≤ 5.5V D030A VSS — 0.15 VDD V otherwise D032 RESET VSS — 0.2 VDD V D033 OSC1 VSS — 0.3 VDD V Input High Voltage VIH Input pins — D040 with TTL buffer (TX, RI, DTR, RTS, and CD) 2.0 — VDD V 4.5V ≤ VDD ≤ 5.5V D040A 0.25 VDD + 0.8 — VDD V otherwise D042 RESET 0.8 VDD — VDD V D043 OSC1 0.7 VDD — VDD V Input Leakage Current (Notes 1, 2) D060 IIL Input pins — — ±1 µA VSS ≤ VPIN ≤ VDD, pin at high-impedance. D061 RESET — — ±5 µA VSS ≤ VPIN ≤ VDD D063 OSC1 — — ±5 µA VSS ≤ VPIN ≤ VDD Output Low Voltage D080 VOL TXIR, RX, DSR, and CTS pins — — 0.6 V IOL = 8.5 mA, VDD = 4.5V D083 OSC2 — — 0.6 V IOL = 1.6 mA, VDD = 4.5V Output High Voltage (Note 2) D090 VOH TXIR, RX, DSR, and CTS pins VDD - 0.7 — — V IOH = -3.0 mA, VDD = 4.5V D092 OSC2 VDD - 0.7 — — V IOH = -1.3 mA, VDD = 4.5V Capacitive Loading Specs on Output Pins D100 COSC2 OSC2 pin — — 15 pF When external clock is used to drive OSC1. D101 CIO All Input or Output pins — — 50 pF Note 1: The leakage current on the RESET pin is strongly dependent on the applied voltage level. The specified levels represent normal operating conditions. Higher leakage current may be measured at different input voltages. 2: Negative current is defined as coming out of the pin. |
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