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MCP2517FD Datasheet(PDF) 78 Page - Microchip Technology |
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MCP2517FD Datasheet(HTML) 78 Page - Microchip Technology |
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78 / 98 page  MCP2517FD DS20005688B-page 78 2017-2018 Microchip Technology Inc. TABLE 7-5: CAN RX FILTER AC CHARACTERISTICS TABLE 7-6: SPI AC CHARACTERISTICS FIGURE 7-1: SPI I/O TIMING AC Specifications Electrical Characteristics: High (H): TAMB = –40°C to +150°C; VDD = 2.7V to 5.5V Sym. Characteristic Min. Typ. Max. Units Conditions/Comments TPROP Filter propagation delay 1 ns Note 2 TFILTER Filter time (Note 3)40 70 125 225 75 120 215 390 ns T00FILTER T01FILTER T10FILTER T11FILTER TREVO- CERY Minimum high time on input for output to go high again 5ns Note 2 Note 1: Characterized; not 100% tested. 2: Design guidance only. 3: Pulses on RXCAN shorter than the minimum TFILTER time will be ignored; pulses longer than the maximum TFILTER time will wake-up the device. AC Specifications Electrical Characteristics: High (H): TAMB = –40°C to +150°C; VDD = 2.7V to 5.5V Param. Sym. Characteristic Min. Typ. Max. Units Conditions FSCK SCK Input Frequency 20 MHz Note 3 TSCK SCK Period, TSCK=1/FSCK 50 ns Note 3 1TSCKH SCK High Time 20 ns 2TSCKL SCK Low Time 20 ns 3TSCKR SCK Rise Time 100 ns Note 2 4TSCKF SCK Fall Time 100 ns Note 2 5TCS2SCK nCS ↓ to SCK ↑ TSCK/2 ns 6TSCK2CS SCK ↑ to nCS ↑ TSCK ns 7TSDI2SCK SDI Setup: SDI ↕ to SCK ↑ 5ns 8TSCK2SDI SDI Hold: SCK ↑ to SDI ↕ 5ns 9TSCK2SDO SDO Valid: SCK ↓ to SDO ↕ 20 ns CLOAD =50 pF 10 TCS2SDOZ SDO High Z: nCS ↑ to SDO Z 2 TSCK ns CLOAD =50 pF 11 TCSD nCS ↑ to nCS ↓ TSCK ns Note 2 Note 1: Characterized; not 100% tested. 2: Design guidance only. 3: FSCK must be less than or equal to FSYSCLK/2. nCS SCK SDI SDO Mode 1,1 Mode 0,0 5 C<3> 1 2 3 4 7 8 A<0> D<7> D<7> D<0> D<0> 9 Mode 1,1 Mode 0,0 11 10 6 9 |
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