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74LCXH16245 数据表(PDF) 2 Page - STMicroelectronics |
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74LCXH16245 数据表(HTML) 2 Page - STMicroelectronics |
2 / 10 page 74LCXH16245 2/10 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don‘t Care Z : High Impedance IEC LOGIC SYMBOLS PIN No SYMBOL NAME AND FUNCTION 1 1DIR Directional Control 2, 3, 5, 6, 8, 9, 11, 12 1B1 to 1B8 Data Inputs/Outputs 13, 14, 16, 17, 19, 20, 22, 23 2B1 to 2B8 Data Inputs/Outputs 24 2DIR Directional Control 25 2G Output Enable Input 36, 35, 33, 32, 30, 29, 27, 26 2A1 to 2A8 Data Inputs/Outputs 47, 46, 44, 43, 41, 40, 38, 38 1A1 to 1A8 Data Inputs/Outputs 48 1G Output Enable Input 4, 10, 15, 21, 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive Supply Voltage INPUTS FUNCTION OUTPUT G DIR A BUS B BUS Yn L L OUTPUT INPUT A = B L H INPUT OUTPUT B = A H X ZZZ |
类似零件编号 - 74LCXH16245 |
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类似说明 - 74LCXH16245 |
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