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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC12F635E/SS датащи(PDF) 166 Page - Microchip Technology |
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PIC12F635E/SS датащи(HTML) 166 Page - Microchip Technology |
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166 / 196 page  PIC12F635/PIC16F636/639 DS41232B-page 164 Preliminary © 2005 Microchip Technology Inc. TABLE 15-3: CLKOUT AND I/O TIMING REQUIREMENTS FIGURE 15-6: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER TIMING Param No. Sym Characteristic Min Typ† Max Units Conditions 10 TOSH2CKLOSC1 ↑ to CLKOUT↓ —75 200 ns (Note 1) 11 TOSH2CKHOSC1 ↑ to CLKOUT↑ —75 200 ns (Note 1) 12 TCKR CLKOUT Rise Time — 35 100 ns (Note 1) 13 TCKF CLKOUT Fall Time — 35 100 ns (Note 1) 14 TCKL2IOVCLKOUT ↓ to Port Out Valid — — 20 ns (Note 1) 15 TIOV2CKH Port In Valid before CLKOUT ↑ TOSC + 200 ns — — ns (Note 1) 16 TCKH2IOI Port In Hold after CLKOUT ↑ 0 — — ns (Note 1) 17 TOSH2IOVOSC1 ↑ (Q1 cycle) to Port Out Valid — 50 150* ns —— 300 ns 18 TOSH2IOIOSC1 ↑ (Q2 cycle) to Port Input Invalid (I/O in hold time) 100 — — ns 19 TIOV2OSH Port Input Valid to OSC1 ↑ (I/O in setup time) 0— — ns 20 TIOR Port Output Rise Time — 10 40 ns 21 TIOF Port Output Fall Time — 10 40 ns 22 TINP INT pin High or Low Time 25 — — ns 23 TRBP PORTA Change INT High or Low Time TCY —— ns * These parameters are characterized but not tested. † Data in ‘Typ’ column is at 5.0V, 25 °C unless otherwise stated. Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x TOSC. VDD MCLR Internal POR PWRT Time-out OSC Time-out Internal Reset Watchdog Timer Reset 33 32 30 31 34 I/O pins 34 |
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