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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PSD835G2 датащи(PDF) 92 Page - STMicroelectronics |
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PSD835G2 датащи(HTML) 92 Page - STMicroelectronics |
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92 / 102 page  PSD835G2 92/102 Table 63. WRITE Timing Note: 1. Any input used to select an internal PSD function. 2. In multiplexed mode, latched address generated from ADIO delay to address output on any port. 3. WR has the same timing as E and DS signals. 4. Assuming data is stable before active WRITE signal. 5. Assuming WRITE is active before data becomes valid. 6. tWHAX2 is the address hold time for DPLD inputs that are used to generate Sector Select signals for internal PSD memory. 7. tWHDX is 6ns when writing to Output Macrocell Registers AB and BC. Symbol Parameter Conditions -70 -90 Unit Min Max Min Max tLVLX ALE or AS Pulse Width 15 20 ns tAVLX Address Setup Time (Note 1) 46 ns tLXAX Address Hold Time (Note 1) 78 ns tAVWL Address Valid to Leading Edge of WR (Notes 1,3) 815 ns tSLWL CS Valid to Leading Edge of WR (Note 3) 12 15 ns tDVWH WR Data Setup Time (Note 3) 25 35 ns tWHDX WR Data Hold Time (Note 3,7) 45 ns tWLWH WR Pulse Width (Note 3) 28 35 ns tWHAX1 Trailing Edge of WR to Address Invalid (Note 3) 68 ns tWHAX2 Trailing Edge of WR to DPLD Address Invalid (Note 3,6) 00 ns tWHPV Trailing Edge of WR to Port Output Valid Using I/O Port Data Register (Note 3) 27 30 ns tDVMV Data Valid to Port Output Valid Using Macrocell Register Preset/Clear (Notes 3,5) 42 55 ns tAVPV Address Input Valid to Address Output Delay (Note 2) 20 25 ns tWLMV WR Valid to Port Output Valid Using Macrocell Register Preset/Clear (Notes 3,4) 48 55 ns |
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