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TC74ACT244F 数据表(PDF) 2 Page - Toshiba Semiconductor |
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TC74ACT244F 数据表(HTML) 2 Page - Toshiba Semiconductor |
2 / 8 page TC74ACT240,244P/F/FT 2007-10-01 2 Pin Assignment IEC Logic Symbol Truth Table Inputs Outputs G An Yn (244) n Y (240) L L L H L H H L H X Z Z X: Don’t care Z: High impedance VCC 16 2A4 2 Y 1 2A3 15 14 13 12 11 20 1 2 3 4 5 6 7 1A3 2 Y 2 1A4 1 Y 2 1A1 3 Y 1 8 1 Y 1 19 2A2 G 2 1A2 3 Y 2 18 9 4 Y 2 GND 10 2A1 17 4 Y 1 (top view) TC74ACT240 G 1 VCC 16 2A4 15 14 13 12 11 20 1 2 3 4 5 6 7 2Y2 1A4 1Y3 8 1Y1 19 2A2 G 2 1A2 18 9 2Y4 GND 10 2A1 17 1Y4 (top view) TC74ACT244 1Y2 2A3 2Y1 1A3 2Y3 1A1 G 1 (1) (2) (6) (4) 1A2 1A4 1A3 (8) (18) (14) 2 Y 1 4 Y 1 (16) (12) 3 Y 1 EN G 1 1 Y 1 1A1 TC74ACT240 (19) (11) (15) (13) 2A2 2A4 2A3 (17) (9) (5) 2 Y 2 4 Y 2 (7) (3) 3 Y 2 EN G 2 1 Y 2 2A1 (1) (2) (6) (4) 1A2 1A4 1A3 (8) (18) (14) 1Y2 1Y4 (16) (12) 1Y3 EN G 1 1Y1 1A1 TC74ACT244 (19) (11) (15) (13) 2A2 2A4 2A3 (17) (9) (5) 2Y2 2Y4 (7) (3) 2Y3 EN G 2 2Y1 2A1 |
类似零件编号 - TC74ACT244F |
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类似说明 - TC74ACT244F |
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