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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC16C71 датащи(PDF) 206 Page - Microchip Technology |
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PIC16C71 датащи(HTML) 206 Page - Microchip Technology |
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206 / 337 page  PIC16C6X DS30234D-page 206 © 1997 Microchip Technology Inc. Applicable Devices 61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67 FIGURE 19-3: CLKOUT AND I/O TIMING TABLE 19-3: CLKOUT AND I/O TIMING REQUIREMENTS Parameters Sym Characteristic Min Typ† Max Units Conditions 10* TosH2ckL OSC1 ↑ to CLKOUT↓ — 75 200 ns Note 1 11* TosH2ckH OSC1 ↑ to CLKOUT↑ — 75 200 ns Note 1 12* TckR CLKOUT rise time — 35 100 ns Note 1 13* TckF CLKOUT fall time — 35 100 ns Note 1 14* TckL2ioV CLKOUT ↓ to Port out valid — — 0.5TCY + 20 ns Note 1 15* TioV2ckH Port in valid before CLKOUT ↑ Tosc + 200 — — ns Note 1 16* TckH2ioI Port in hold after CLKOUT ↑ 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) PIC16C62A/ R62/64A/R64 100 — — ns PIC16LC62A/ R62/64A/R64 200 — — ns 19* TioV2osH Port input valid to OSC1 ↑ (I/O in setup time) 0 — — ns 20* TioR Port output rise time PIC16C62A/ R62/64A/R64 —10 40 ns PIC16LC62A/ R62/64A/R64 — — 80 ns 21* TioF Port output fall time PIC16C62A/ R62/64A/R64 —10 40 ns PIC16LC62A/ R62/64A/R64 — — 80 ns 22††* Tinp RB0/INT pin high or low time TCY —— ns 23††* Trbp RB7:RB4 change int high or low time TCY —— ns * These parameters are characterized but not tested. † Data in "Typ" column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not tested. †† These parameters are asynchronous events not related to any internal clock edge. Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x TOSC. 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 Note: Refer to Figure 19-1 for load conditions. |
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