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MCP2510-/ST 数据表(PDF) 63 Page - Microchip Technology |
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MCP2510-/ST 数据表(HTML) 63 Page - Microchip Technology |
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63 / 80 page ![]() © 2007 Microchip Technology Inc. DS21291F-page 63 MCP2510 TABLE 12-2: OSCILLATOR TIMING CHARACTERISTICS TABLE 12-3: CAN INTERFACE AC CHARACTERISTICS TABLE 12-4: CLKOUT PIN AC/DC CHARACTERISTICS Oscillator Timing Characteristics Industrial (I): TAMB = -40°C to +85°C VDD = 3.0V to 5.5V Extended (E): TAMB = -40°C to +125°C VDD = 4.5V to 5.5V Param. No. Sym Characteristic Min Max Units Conditions FOSC Clock In Frequency 1 1 25 16 MHz MHz 4.5V to 5.5V 3.0V to 4.5V TOSC Clock In Period 40 62.5 1000 1000 ns ns 4.5V to 5.5V 3.0V to 4.5V TDUTY Duty Cycle (External Clock Input) 0.45 0.55 — TOSH / (TOSH + TOSL) Note: This parameter is periodically sampled and not 100% tested. CAN Interface AC Characteristics Industrial (I): TAMB = -40°C to +85°C VDD = 3.0V to 5.5V Extended (E): TAMB = -40°C to +125°C VDD = 4.5V to 5.5V Param. No. Sym Characteristic Min Max Units Conditions TWF Wakeup Noise Filter 50 — ns TDCLK CLOCKOUT Propagation Delay —100 ns CLKOUT Pin AC/DC Characteristics Industrial (I): TAMB = -40°C to +85°C VDD = 3.0V to 5.5V Extended (E): TAMB = -40°C to +125°C VDD = 4.5V to 5.5V Param. No. Sym Characteristic Min Max Units Conditions thCLKOUT CLKOUT Pin High Time 15 — ns TOSC = 40 ns (Note) tlCLKOUT CLKOUT Pin Low Time 15 — ns TOSC = 40 ns (Note) trCLKOUT CLKOUT Pin Rise Time — 5 ns Measured from 0.3 VDD to 0.7 VDD (Note) tfCLKOUT CLKOUT Pin Fall Time — 5 ns Measured from 0.7 VDD to 0.3 VDD (Note) tdCLKOUT CLOCKOUT Propagation Delay — 100 ns Note: CLKOUT prescaler set to divide by one. |
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