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PSD813F1 датащи(PDF) 99 Page - STMicroelectronics |
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PSD813F1 датащи(HTML) 99 Page - STMicroelectronics |
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99 / 120 page ![]() Preliminary PSD813F1-A 95 -15 -20 Turbo Symbol Parameter Conditions Min Max Min Max Off Unit tLVLX ALE or AS Pulse Width 26 30 ns tAVLX Address Setup Time (Note 3) 10 12 ns tLXAX Address Hold Time (Note 3) 12 14 ns tAVQV Address Valid to Data Valid (Notes 3 and 6) 150 200 Add 20 ns t SLQV CS Valid to Data Valid 150 200 ns RD to Data Valid 8-Bit Bus (Note 5) 35 40 ns t RLQV RD or PSEN to Data Valid 8-Bit Bus, 8031, 80251 (Note 2) 50 55 ns t RHQX RD Data Hold Time (Note 1) 0 0 ns tRLRH RD Pulse Width (also DS, LDS, UDS) 40 45 ns RD or PSEN Pulse Width (8031, 80251) 55 60 ns tRHQZ RD to Data High-Z (Note 1) 40 45 ns tEHEL E Pulse Width 45 52 ns tTHEH R/W Setup Time to Enable 18 20 ns tELTL R/W Hold Time After Enable 0 0 ns tAVPV Address Input Valid to (Note 4) 35 40 ns Address Output Delay Read Timing (3.0 V to 3.6 V Versions) Microcontroller Interface – PSD813F1V AC/DC Parameters (3.0 V to 3.6 V Versions) NOTES: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals. 2. RD and PSEN have the same timing for 8031. 3. Any input used to select an internal PSD813F function. 4. In multiplexed mode latched address generated from ADIO delay to address output on any Port. 5. RD timing has the same timing as DS, LDS, and UDS signals. 6. In Turbo Off mode, add 20ns to tAVQV. |
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