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PIC16F1507-E/SS. 数据表(PDF) 219 Page - Microchip Technology |
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PIC16F1507-E/SS. 数据表(HTML) 219 Page - Microchip Technology |
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219 / 278 page  2011-2015 Microchip Technology Inc. DS40001586D-page 219 PIC16(L)F1507 FIGURE 25-7: CLKOUT AND I/O TIMING TABLE 25-9: CLKOUT AND I/O TIMING PARAMETERS Standard Operating Conditions (unless otherwise stated) Param. No. Sym. Characteristic Min. Typ† Max. Units Conditions OS11 TosH2ckL FOSC to CLKOUT(1) — — 70 ns 3.3V VDD 5.0V OS12 TosH2ckH FOSC to CLKOUT(1) — — 72 ns 3.3V VDD 5.0V OS13 TckL2ioV CLKOUT to Port out valid(1) — — 20 ns OS14 TioV2ckH Port input valid before CLKOUT (1) TOSC + 200 ns — — ns OS15 TosH2ioV Fosc (Q1 cycle) to Port out valid — 50 70* ns 3.3V VDD 5.0V OS16 TosH2ioI Fosc (Q2 cycle) to Port input invalid (I/O in setup time) 50 — — ns 3.3V VDD 5.0V OS17 TioV2osH Port input valid to Fosc (Q2 cycle) (I/O in setup time) 20 — — ns OS18* TioR Port output rise time — — 40 15 72 32 ns VDD = 1.8V 3.3V VDD 5.0V OS19* TioF Port output fall time — — 28 15 55 30 ns VDD = 1.8V 3.3V VDD 5.0V OS20* Tinp INT pin input high or low time 25 — — ns OS21* Tioc Interrupt-on-change new input level time 25 — — 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 EXTRC mode where CLKOUT output is 4 x TOSC. 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 |
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