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M74HC174 数据表(PDF) 2 Page - STMicroelectronics |
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M74HC174 数据表(HTML) 2 Page - STMicroelectronics |
2 / 11 page M74HC174 2/11 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don’t Care LOGIC DIAGRAM This logic diagram has not to be used to estimate propagation delays PIN No SYMBOL NAME AND FUNCTION 1 CLEAR Asynchronous Master Reset (Active Low) 2, 5, 7, 10, 12, 15 Q0 to Q5 Flip-Flop Outputs 3, 4, 6, 11, 13, 14 D0 to D5 Data Inputs 9 CLOCK Clock Input (LOW to HIGH, edge triggered) 8 GND Ground (0V) 16 Vcc Positive Supply Voltage INPUTS OUTPUTS FUNCTION CLEAR DCK Q L X X L CLEAR HL L HH H H X Qn NO CHANGE |
类似零件编号 - M74HC174 |
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类似说明 - M74HC174 |
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