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TC74VCX2373FT 数据表(PDF) 2 Page - Toshiba Semiconductor |
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TC74VCX2373FT 数据表(HTML) 2 Page - Toshiba Semiconductor |
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2 / 11 page ![]() TC74VCX2373FT/FK 2007-10-19 2 Pin Assignment (top view) IEC Logic Symbol Truth Table Inputs OE LE D Outputs H X X Z L L X Qn L H L L L H H H X: Don’t care Z: High impedance Qn: Q outputs are latched at the time when the LE input is taken to a low logic level. System Diagram LE OE 1 11 3 2 L Q D Q0 D0 D1 D2 D3 D5 D6 D4 D7 4 7 8 13 14 17 18 5 Q1 6 Q2 9 Q3 12 Q4 15 Q5 16 Q6 19 Q7 L Q D L Q D L Q D L Q D L Q D L Q D L Q D VCC 20 Q7 D7 D6 19 18 17 16 15 14 OE 1 2 3 4 5 6 7 D1 Q1 Q2 D2 D3 Q3 Q6 8 9 10 D4 Q4 GND 13 12 11 Q5 D5 LE Q0 D0 1 11 3 4 7 8 13 14 17 18 2 5 6 9 12 15 16 19 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 EN 1D C1 OE LE D0 D1 D2 D3 D4 D5 D6 D7 |
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