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DM163006 Datasheet(PDF) 279 Page - Microchip Technology |
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DM163006 Datasheet(HTML) 279 Page - Microchip Technology |
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279 / 320 page ![]() 2001 Microchip Technology Inc. Advance Information DS39541A-page 279 PIC18C601/801 FIGURE 22-9: PROGRAM MEMORY WRITE TIMING DIAGRAM Operating Conditions: 2.0V <VCC <5.5V, -40°C <TA <125°C unless otherwise stated. TABLE 22-8: PROGRAM MEMORY WRITE 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 153 TwrH2adl WRn ↑ to data out invalid (data hold time) 5 —— ns 154 TwrL WRn pulse width 0.5TCY-5 0.5TCY — ns 156 TadV2wrH Data valid before WRn ↑ (data setup time) 0.5TCY-10 —— ns 157 TbsV2wrL Byte select valid before WRn ↓ (byte select setup time) 0.25TCY —— ns 157A TwrH2bsI WRn ↑ to byte select invalid (byte select hold time) 0.125TCY-5 —— ns 166 TalH2alH ALE ↑ to ALE↑ (cycle time) — 0.25TCY — ns 36 TIVRST Time for Internal Reference Voltage to become stable — 20 50 µs Q1 Q2 Q3 Q4 Q1 Q2 OSC1 ALE Address Data 156 150 151 153 AD<15:0> Address WRH or WRL UB or LB 157 154 157A Address A<19:16> Address BA0 CS1, CS2, or CSIO 166 |
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