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DM163006 Datasheet(PDF) 276 Page - Microchip Technology |
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DM163006 Datasheet(HTML) 276 Page - Microchip Technology |
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276 / 320 page ![]() PIC18C601/801 DS39541A-page 276 Advance Information 2001 Microchip Technology Inc. FIGURE 22-6: CLKOUT AND I/O TIMING TABLE 22-5: CLKOUT AND I/O TIMING REQUIREMENTS Note: Refer to Figure 22-4 for load conditions. OSC1 CLKOUT 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 CLKOUT↓ — 75 200 ns (1) 11 TosH2ckH OSC1 ↑ to CLKOUT↑ — 75 200 ns (1) 12 TckR CLKOUT rise time — 35 100 ns (1) 13 TckF CLKOUT fall time — 35 100 ns (1) 14 TckL2ioV CLKOUT ↓ to Port out valid —— 0.5TCY + 20 ns (1) 15 TioV2ckH Port in valid before CLKOUT ↑ 0.25TCY + 25 —— ns (1) 16 TckH2ioI Port in hold after CLKOUT ↑ 0 —— ns (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) PIC18C601/801 100 —— ns 18A PIC18LC601/801 200 —— ns 19 TioV2osH Port input valid to OSC1 ↑ (I/O in setup time) 0 —— ns 20 TioR Port output rise time PIC18C601/801 — 10 25 ns 20A PIC18LC601/801 —— 60 ns 21 TioF Port output fall time PIC18C601/801 — 10 25 ns 21A PIC18LC601/801 —— 60 ns 22†† TINP INT pin high or low time TCY —— ns 23†† TRBP RB7:RB4 change INT 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 pin output is 4 x TOSC. |
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