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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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PC97338VLJ Folha de dados(PDF) 206 Page - National Semiconductor (TI) |
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PC97338VLJ Folha de dados(HTML) 206 Page - National Semiconductor (TI) |
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206 / 221 page  206 www.national.com tDSSL Figure 104 Data Stable to STB Low 750 ns tSTBW Figure 104 STB Signal Width 750 500,000 ns tSHDC Figure 104 STB Signal High to Data Change 750 ns tSLBH Figure 104 STB Signal Low to BUSY High 500 ns tSHNL Figure 104 STB Signal High to ACK Low 0 ns tACKW Figure 104 ACK Signal Width 500 10,000 ns tAHBL Figure 104 ACK Signal High to BUSY Low 0 ns tAHSL Figure 104 ACK Signal High to STB Low 0 ns PARALLEL PORT TIMING ( EPP 1.7 AND EPP 1.9 MODES) tWW Figures 105, 106 WRITE Signal Delay After WR 45 ns tWST Figures 105, 106 DSTRB or ASTRB Delay After WR or RD (Note 7) 45 ns tWST7 Figures 105, 106 DSTRB or ASTRB Active After WRITE Active 0 ns tWPD7h Figures 105, 106 PD7-0 Hold After WRITE Inactive 50 ns tHRW Figures 105, 106 IOCHRDY Signal Delay After WR, RD or WAIT 40 ns tWPDS Figures 105, 106 PD7-0 Valid After WRITE Active (Note 8) 15 ns tEPDW Figures 105, 106 PD7-0 Valid Time 80 ns tEPDh Figures 105, 106 PD7-0 Hold After DSTRB or ASTRB Inactive 0 ns tZWSa Figures 105, 106 ZWS Valid After WR or RD Active 45 ns tZWSh Figures 105, 106 ZWS Hold After WR or RD Inactive 0 ns tWWa Figures 105, 106 WRITE Active From WR Active or WAIT Low 45 ns tWWia Figures 105, 106 WRITE Inactive From WAIT Low 45 ns tWSTa Figures 105, 106 DSTRB or ASTRB Active From WR or RD Active or WAIT Low (Notes 7, 9) 65 ns tWSTia Figures 105, 106 DSTRB or ASTRB Inactive From WR or RD High 45 ns tWEST Figures 105, 106 DSTRB or ASTRB Active After WRITE Active 10 ns tWPDh Figures 105, 106 PD7-0 Hold After WRITE Inactive 0 ns PARALLEL PORT TIMING (ECP MODE) tECDS Figures 107, 108 PD7-0, AFD or BUSY Setup 0 ns tECDH Figures 107, 108 PD7-0, AFD or BUSY Hold 0 ns tECLH Figures 107, 108 BUSY or AFD Delay After STB or ACK Active 75 ns tECHH Figures 107, 108 STB or ACK Active After BUSY or AFD Rising Edge 01 s Symbol Figure Parameter Min Max Unit |
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