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74ACT16541 数据表(PDF) 2 Page - STMicroelectronics |
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74ACT16541 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 9 page ![]() Obsolete Product(s) - Obsolete Product(s) 74ACT16541 2/9 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don‘t Care" Z : High Impedance IEC LOGIC SYMBOLS PIN No SYMBOL NAME QND FUNCTION 1, 48 1G1, 1G2 Output Enable Inputs 2, 3, 5, 6, 8, 9, 11, 12 1Y1 to 1Y8 Data Outputs 13, 14, 16, 17, 19, 20, 22, 23 2Y1 to 2Y8 Data Outputs 24, 25 2G1, 2G2 Output Enable Inputs 36, 35, 33, 32, 30, 29, 27, 26 2A1 to 2A8 Data Outputs 47, 46, 44, 43, 41, 40, 38, 37 1A1 to 1A8 Data Outputs 4, 10, 15, 21, 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive Supply Voltage INPUTS OUTPUT G1 G2 An Yn H XXZ XHX Z LL H H LLL L |
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