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PSD913F2 数据表(PDF) 78 Page - STMicroelectronics |
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PSD913F2 数据表(HTML) 78 Page - STMicroelectronics |
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78 / 94 page ![]() PSD9XX Family Preliminary Information 74 NOTE: 1. Fast Slew Rate output available on PA[3:0], PB[3:0], and PD[2:0]. -12 -15 -20 Symbol Parameter Conditions Min Max Min Max Min Max Unit tLVLX ALE or AS Pulse Width 26 26 30 tAVLX Address Setup Time (Note 1) 9 10 12 ns tLXAX Address Hold Time (Note 1) 9 12 14 ns tAVWL Address Valid to Leading Edge of WR (Notes 1 and 3) 17 20 25 ns t SLWL CS Valid to Leading Edge of WR (Note 3) 17 20 25 ns t DVWH WR Data Setup Time (Note 3) 45 45 50 ns t WHDX WR Data Hold Time (Note 3) 7 8 10 ns t WLWH WR Pulse Width (Note 3) 46 48 53 ns tWHAX1 Trailing Edge of WR to Address Invalid (Note 3) 10 12 17 ns tWHAX2 Trailing Edge of WR to DPLD Address (Notes 3 and 4) 0 0 0 ns Input Invalid tWHPV Trailing Edge of WR to Port Output Valid Using I/O Port Data Register (Note 3) 33 35 40 ns tAVPV Address Input Valid to Address (Note 2) 33 35 40 ns Output Delay Write Timing (3 V Versions) NOTES: 1. Any input used to select an internal PSD813F function. 2. In multiplexed mode, latched addresses generated from ADIO delay to address output on any Port. 3. WR timing has the same timing as E, LDS, UDS, WRL, and WRH signals. 4. Address hold time for DPLD inputs that are used to generate chip selects for internal PSD memory. Microcontroller Interface – PSD9XXFV AC/DC Parameters (3 V Versions) -12 -15 -20 Fast Slew PT TURBO Rate Symbol Parameter Conditions Min Max Min Max Min Max Aloc OFF (Note 1) Unit tPD PLD Input Pin/Feedback to PLD Combinatorial 40 45 50 Add 4 Add 20 Sub 6 ns Output tARD PLD Array Delay Any 25 29 33 Add 4 ns Micro ⇔Cell PLD Combinatorial Timing (3 V Versions) |
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