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74ACT16374 数据表(PDF) 2 Page - STMicroelectronics |
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74ACT16374 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 10 page ![]() 74ACT16374 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 1OE 3 State Output Enable Input (Active LOW) 2, 3, 5, 6, 8, 9, 11, 12 1Q0 to 1Q7 3-State Outputs 13, 14, 16, 17, 19, 20, 22, 23 2Q0 to 2Q7 3-State Outputs 24 2OE 3 State Output Enable Input (Active LOW) 25 2CK Clock Input (LOW-to-HIGH Edge Trigger) 36, 35, 33, 32, 30, 29, 27, 26 2D0 to 2D7 Data Inputs 47, 46, 44, 43, 41, 40, 38, 37 1D0 to 1D7 Data Inputs 48 1CK Clock Input (LOW-to-HIGH Edge Trigger) 4, 10, 15, 21, 28, 34, 39, 45 GND Ground (0V) 7, 18, 31, 42 VCC Positive Supply Voltage INPUTS OUTPUT OE CK D Q HX X Z L X NO CHANGE* LL L LH H |
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