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74LVC374A 数据表(PDF) 2 Page - STMicroelectronics |
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74LVC374A 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 14 page ![]() 74LVC374A 2/14 Figure 2: Input And Output Equivalent Circuit Table 2: Pin Description Table 3: Truth Table X : Don’t Care Z :High Impedance PIN N° SYMBOL NAME AND FUNCTION 1OE 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 CK Clock 10 GND Ground (0V) 20 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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