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74ACT32701 数据表(PDF) 2 Page - STMicroelectronics |
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74ACT32701 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 9 page ![]() 74ACT32701 2/9 PIN CONNECTION (Top view) TERMINAL ASSIGNMENT INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE (each 8bit section of 16bit Latch) TRUTH TABLE (each 8bit section of 16bit Transceiver) X : Don‘t Care Z : High Impedance ABCDE F G H J K LM N P R T 6 1D2 1D4 1D6 1D8 2D2 2D4 2D6 2D7 3A2 3A4 3A6 3A8 4A2 4A4 4A6 4A7 5 1D1 1D3 1D5 1D7 2D1 2D3 2D5 2D8 3A1 3A3 3A5 3A7 4A1 4A3 4A5 4A8 4 1LE GND VCC GND GND VCC GND 2LE 3G GND VCC GND GND VCC GND 4G 3 1OE GND VCC GND GND VCC GND 2OE 3DIR GND VCC GND GND VCC GND 4DIR 2 1Q1 1Q3 1Q5 1Q7 2Q1 2Q3 2Q5 2B8 3B1 3B3 3B5 3B7 4B1 4B3 4B5 4B8 1 1Q2 1Q4 1Q6 1Q8 2Q2 2Q4 2Q6 2B7 3B2 3B4 3B6 3B8 4B2 4B4 4B6 4B7 INPUTS OUTPUT OE LE D Q LH H H LHL L LL X Q0 H XXZ INPUTS OPERATION G DIR L L B data to A bus L H A data to B bus H X Isolation |
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