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54HC244 датащи(PDF) 2 Page - STMicroelectronics |
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54HC244 датащи(HTML) 2 Page - STMicroelectronics |
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2 / 12 page ![]() CHIP CARRIER INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION (HC240) PIN No SYMBOL NAME AND FUNCTION 1 1G Output Enable Input 2, 4, 6, 8 1A1 to 1A4 Data Inputs 9, 7, 5, 3 2Y1 to 2Y4 Data Outputs 11, 13, 15, 17 2A1 to 2A4 Data Inputs 18, 16, 14, 12 1Y1 to 1Y4 Data Outputs 19 2G Output Enabel Input 10 GND Ground (0V) 20 VCC Positive Supply Voltage PIN DESCRIPTION (HC244) PIN No SYMBOL NAME AND FUNCTION 1 1G Output Enable Input 2, 4, 6, 8 1A1 to 1A4 Data Inputs 9, 7, 5, 3 2Y1 to 2Y4 Data Outputs 11, 13, 15, 17 2A1 to 2A4 Data Inputs 18, 16, 14, 12 1Y1 to 1Y4 Data Outputs 19 2G Output Enabel Input 10 GND Ground (0V) 20 VCC Positive Supply Voltage PIN DESCRIPTION (HC241) PIN No SYMBOL NAME AND FUNCTION 1 1G Output Enable Input 2, 4, 6, 8 1A1 to 1A4 Data Inputs 9, 7, 5, 3 2Y1 to 2Y4 Data Outputs 11, 13, 15, 17 2A1 to 2A4 Data Inputs 18, 16, 14, 12 1Y1 to 1Y4 Data Outputs 19 2G Output Enabel Input 10 GND Ground (0V) 20 VCC Positive Supply Voltage HC244 HC241 HC240 M54/M74HC240/241/244 2/12 |
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