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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC16F720-E/ML датащи(PDF) 199 Page - Microchip Technology |
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PIC16F720-E/ML датащи(HTML) 199 Page - Microchip Technology |
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199 / 244 page  2010 Microchip Technology Inc. DS41430A-page 199 PIC16F/LF720/721 FIGURE 23-7: CLKOUT AND I/O TIMING FOSC CLKOUT I/O pin (Input) I/O pin (Output) Q4 Q1 Q2 Q3 OS11 OS19 OS13 OS15 OS18, OS19 OS20 OS21 OS17 OS16 OS14 OS12 OS18 Old Value New Value Write Fetch Read Execute Cycle TABLE 23-3: CLKOUT AND I/O TIMING PARAMETERS Standard Operating Conditions (unless otherwise stated) Operating Temperature -40°C TA +125°C Param No. Sym. Characteristic Min. Typ† Max. Units Conditions OS11* TOSH2CKLFOSC to CLKOUT (1) —— 70 ns VDD = 3.3-5.0V OS12* TOSH2CKHFOSC to CLKOUT (1) —— 72 ns VDD = 3.3-5.0V OS13* TCKL2IOVCLKOUT to Port out valid(1) —— 20 ns OS14* TIOV2CKH Port input valid before CLKOUT (1) TOSC + 200 ns — — ns OS15* TOSH2IOVFOSC (Q1 cycle) to Port out valid — 50 70* ns VDD = 3.3-5.0V OS16* TOSH2IOIFOSC (Q2 cycle) to Port input invalid (I/O in hold time) 50 — — ns VDD = 3.3-5.0V OS17* TIOV2OSH Port input valid to FOSC (Q2 cycle) (I/O in setup time) 20 — — ns OS18* TIOR Port output rise time(2) — — 15 40 32 72 ns VDD = 2.0V VDD = 3.3-5.0V OS19* TIOF Port output fall time(2) — — 28 15 55 30 ns VDD = 2.0V VDD = 3.3-5.0V OS20* TINP INT pin input high or low time 25 — — ns OS21* TRBP PORTB interrupt-on-change new input level time TCY —— ns * These parameters are characterized but not tested. † Data in “Typ” column is at 3.0V, 25 C unless otherwise stated. Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x TOSC. 2: Includes OSC2 in CLKOUT mode. |
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