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74ACT16244 数据表(PDF) 2 Page - STMicroelectronics |
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74ACT16244 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 8 page ![]() TRUTH TABLE INPUT OUTPUT GAn Yn LL L LH H HX Z X:”H” or ”L” Z: High impedance INPUT AND OUTPUT EQUIVALENT CIRCUIT IEC LOGIC SYMBOLS PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCT ION 1 1G Output Enable Input 2, 3, 5, 6 1Y1 to 1Y4 Data Outputs 8, 9, 11, 12 2Y1 to 2Y4 Data Outputs 13, 14, 16, 17 3Y1 to 3Y4 Data Outputs 19, 20, 22, 23 4Y1 to 4Y4 Data Outputs 24 4G Output Enable Input 25 3G Output Enable Input 30, 29, 27, 26 4A1 to 4A4 Data Inputs 36, 35, 33, 32 3A1 to 3A4 Data Inputs 41, 40, 38, 37 2A1 to 2A4 Data Inputs 47, 46, 44, 43 1A1 to 1A4 Data Inputs 48 2G Output Enable Input 4,10, 15, 21, 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive Supply Voltage 74ACT16244 2/8 |
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