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M74HC164TTR 数据表(PDF) 2 Page - STMicroelectronics |
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M74HC164TTR 数据表(HTML) 2 Page - STMicroelectronics |
2 / 13 page M74HC164 2/13 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don’t Care QAn - QGn : The level of QA - QG, respectively. before the most-recent transition of the clock LOGIC DIAGRAM This logic diagram has not be used to estimate propagation delays PIN No SYMBOL NAME AND FUNCTION 1,2 A, B Data Inputs 3, 4, 5, 6, 10, 11, 12, 13 QA to QH Outputs 8 CLOCK Clock Input (LOW to HIGH, Edge Triggered 9 CLEAR Master Reset Input 7 GND Ground (0V) 14 Vcc Positive Supply Voltage INPUTS OUTPUTS CLEAR CLOCK SERIAL IN QA QB ........... QH AB L X X X L L ........... L H X X NO CHANGE H L X L QAn ........... QGn H X L L QAn ........... QGn H H H H QAn ........... QGn |
类似零件编号 - M74HC164TTR |
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类似说明 - M74HC164TTR |
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