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DM163006 Datasheet(PDF) 278 Page - Microchip Technology |
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DM163006 Datasheet(HTML) 278 Page - Microchip Technology |
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278 / 320 page ![]() PIC18C601/801 DS39541A-page 278 Advance Information 2001 Microchip Technology Inc. FIGURE 22-8: 8-BIT PROGRAM MEMORY FETCH TIMING DIAGRAM Operating Conditions: 2.0V <VCC <5.5V, -40°C <TA <125°C, FOSC max = 25MHz, unless otherwise stated. TABLE 22-7: 8-BIT PROGRAM MEMORY FETCH TIMING REQUIREMENTS Param No. Symbol Characteristics Min Typ Max Units 150 TadV2alL Address out valid to ALE ↓ (address setup time) 0.25TCY-10 —— ns 151 TalL2adl ALE ↓ to address out invalid (address hold time) 5 —— ns 161 ToeH2adD OE ↑ to AD driven 0.125TCY-5 —— ns 162 TadV2oeH LS data valid before OE ↑ (data setup time) 20 —— ns 162A TadV2oeH MS data valid before OE ↑ (data setup time) 0.25TCY+20 —— ns 163 ToeH2adl OE ↑ to data in invalid (data hold time) 0 —— ns 166 TalH2alH ALE ↑ to ALE↑ (cycle time) — 0.25TCY — ns 170 TubH2oeH BA0 = 0 valid before OE ↑ 0.25TCY-10 —— ns 170A TubL2oeH BA0 = 1 valid before OE ↑ 0.5TCY-10 —— ns Q1 Q2 Q3 Q4 Q1 Q2 OSC1 ALE OE Address Data 170 161 162 163 AD<7:0> Address Address A<19:8> Address 162A BA0 Data 170A CS1 CS2 or CSIO 151 150 166 |
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