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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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PIC18F2610E/SOSQTP bảng dữ liệu(PDF) 333 Page - Microchip Technology |
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PIC18F2610E/SOSQTP bảng dữ liệu(HTML) 333 Page - Microchip Technology |
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333 / 376 page  © 2009 Microchip Technology Inc. DS39636D-page 335 PIC18F2X1X/4X1X FIGURE 25-7: CLKO AND I/O TIMING TABLE 25-9: CLKO AND I/O TIMING REQUIREMENTS Note: Refer to Figure 25-5 for load conditions. OSC1 CLKO I/O pin (Input) I/O pin (Output) Q4 Q1 Q2 Q3 10 13 14 17 20, 21 19 18 15 11 12 16 Old Value New Value Param No. Symbol Characteristic Min Typ Max Units Conditions 10 TosH2ckL OSC1 ↑ to CLKO ↓ — 75 200 ns (Note 1) 11 TosH2ckH OSC1 ↑ to CLKO ↑ — 75 200 ns (Note 1) 12 TckR CLKO Rise Time — 35 100 ns (Note 1) 13 TckF CLKO Fall Time — 35 100 ns (Note 1) 14 TckL2ioV CLKO ↓ to Port Out Valid — — 0.5 TCY + 20 ns (Note 1) 15 TioV2ckH Port In Valid before CLKO ↑ 0.25 TCY + 25 — — ns (Note 1) 16 TckH2ioI Port In Hold after CLKO ↑ 0— — ns (Note 1) 17 TosH2ioV OSC1 ↑ (Q1 cycle) to Port Out Valid — 50 150 ns 18 TosH2ioI OSC1 ↑ (Q2 cycle) to Port Input Invalid (I/O in hold time) PIC18FXXXX 100 — — ns 18A PIC18LFXXXX 200 — — ns VDD = 2.0V 19 TioV2osH Port Input Valid to OSC1 ↑ (I/O in setup time) 0 — — ns 20 TioR Port Output Rise Time PIC18FXXXX — 10 25 ns 20A PIC18LFXXXX — — 60 ns VDD = 2.0V 21 TioF Port Output Fall Time PIC18FXXXX — 10 25 ns 21A PIC18LFXXXX — — 60 ns VDD = 2.0V 22† TINP INTx pin High or Low Time TCY —— ns 23† TRBP RB7:RB4 Change INTx High or Low Time TCY —— ns † These parameters are asynchronous events not related to any internal clock edges. Note 1: Measurements are taken in RC mode, where CLKO output is 4 x TOSC. |
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