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74VCXH16374 Fiches technique(PDF) 2 Page - STMicroelectronics |
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74VCXH16374 Fiches technique(HTML) 2 Page - STMicroelectronics |
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2 / 12 page ![]() 74VCXH16374 2/12 All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 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 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 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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