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MCP25020I/P Datasheet(PDF) 53 Page - Microchip Technology |
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MCP25020I/P Datasheet(HTML) 53 Page - Microchip Technology |
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53 / 66 page  © 2007 Microchip Technology Inc. DS21664D-page 53 MCP2502X/5X 9.3 AC Characteristics AC Characteristics Industrial (I): TAMB = -40°C to +85°C VCC = 2.7V to 5.5V Automotive (E): TAMB = -40°C to +125°C VCC = 4.5V to 5.5V Param. No. Sym Characteristics Min Max Units Test Conditions FOS CLKIN Frequency DC 4 MHz XT osc mode DC 25 MHz HS osc mode (Note 3) DC 200 kHz LP osc mode FOS Oscillator Frequency 0.1 4 MHz XT osc mode 4 25 MHz HS osc mode (Note 3) 5 200 kHz LP osc mode 1TOSC CLKIN Period 250 — ns XT osc mode 40 — ns HS osc mode 5 — µs LP osc mode Oscillator Period 0.25 10 µs XT osc mode 40 250 ns HS osc mode 5 — µs LP osc mode 3TOSL CLKIN High or Low Time 100 — ns XT osc mode TOSH 15 — ns HS osc mode 2.5 — µs LP osc mode 4 Tosr CLKIN Rise or Fall Time — 25 ns XT osc mode (Note 1) — 50 ns HS osc mode (Note 1) — 15 ns LP osc mode (Note 1) 10 TDCLKOUT CLKOUT Propagation Delay — 60 ns VDD = 4.5 V (Note 2) 12 TCKR CLKOUT Rise Time — 100 ns Note 2 13 TCKR CLKOUT Fall Time — 200 ns Note 2 20 TIOR Port output rise time — 40 ns Note 1 21 TIOF Port output fall time — 40 ns Note 1 30 TMCL RST Pulse Low 2 — µs VDD = 5V 32 TOST Oscillation Start-up Timer 512 — Tosc TOSC = OSC1 period 33 TPWRT Power-up Timer 28 132 ms VDD = 5V 34 TIOZ I/O Hi-impedance from RST low —2.1 µs Note 1 TPWMR PWM output rise time — 25 ns Note 1 TPWMF PWM output fall time — 25 ns Note 1 TAD A/D clock period 1.6 — µs VREF Δ ≥ 2.5V 3.0 — µs VREF full range TCNV Conversion Time (not including acquisition time) —13 TAD Note 1: This parameter is periodically sampled and not 100% tested. 2: Measurements are taken with CLKOUT output configured as 4 x TOSC. 3: Refer to Figure 9-1. |
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