| 전자부품 데이터시트 검색엔진 |
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PIC16F-E/ML 데이터시트(PDF) 146 Page - Microchip Technology |
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PIC16F-E/ML 데이터시트(HTML) 146 Page - Microchip Technology |
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146 / 178 page ![]() PIC16F627A/628A/648A DS40044F-page 144 © 2007 Microchip Technology Inc. TABLE 17-6: CLKOUT AND I/O TIMING REQUIREMENTS FIGURE 17-6: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER TIMING Parameter No. Sym Characteristic Min Typ† Max Units 10 TOSH2CKLOSC1 ↑ to CLKOUT↓ PIC16F62XA —75 200* ns 10A PIC16LF62XA — — 400* ns 11 TOSH2CKHOSC1 ↑ to CLKOUT↑ PIC16F62XA — 75 200* ns 11A PIC16LF62XA — — 400* ns 12 TCKR CLKOUT rise time PIC16F62XA — 35 100* ns 12A PIC16LF62XA — — 200* ns 13 TCKF CLKOUT fall time PIC16F62XA — 35 100* ns 13A PIC16LF62XA — — 200* ns 14 TCKL2IOVCLKOUT ↓ to Port out valid — — 20* ns 15 TIOV2CKH Port in valid before CLKOUT ↑ PIC16F62XA TOSC+200 ns* — — ns PIC16LF62XA TOSC+400 ns* — — ns 16 TCKH2IOI Port in hold after CLKOUT ↑ 0 — — ns 17 TOSH2IOVOSC1 ↑ (Q1 cycle) to PIC16F62XA — 50 150* ns Port out valid PIC16LF62XA — — 300* ns 18 TOSH2IOIOSC1 ↑ (Q2 cycle) to Port input invalid (I/O in hold time) 100* 200* —— ns * These parameters are characterized but not tested. † Data in “Typ” column is at 5.0V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. VDD MCLR Internal POR PWRT Time out OST Time out Internal Reset Watchdog Timer Reset 33 32 30 31 34 I/O Pins 34 |
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