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74LCX374 数据表(PDF) 2 Page - STMicroelectronics |
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74LCX374 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 10 page ![]() PIN DESCRIPTION PI N No SYMBOL NAME AND FUNCT ION 1 OE 3 State Output Enable Input (Active LOW) 2, 5, 6, 9, 12, 15, 16, 19 Q0 to Q7 3 State Outputs 3, 4, 7, 8, 13, 14, 17, 18 D0 to D7 Data Inputs 11 CLOCK Clock Input (LOW to HIGH, edge triggered) 10 GND Ground (0V) 20 VCC Positive Supply Voltage TRUTH TABLE INPUTS OUTPUT S OE CK D Q HX X Z L X NO CHANGE LL L LH H X:”H” or ”L” Z: High Impedance LOGIC DIAGRAM INPUT AND OUTPUT EQUIVALENT CIRCUIT 74LCX374 2/10 |
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