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M74HC73C1R 数据表(PDF) 2 Page - STMicroelectronics |
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M74HC73C1R 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 11 page ![]() PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1, 5 1CK, 2CK Clock Input 2, 6 1CLR, 2CLR Asyncronous Reset Inputs 12, 9 1Q, 2Q True Flip-Flop Outputs 13, 8 1Q, 2Q Complement Flip-Flop Outputs 14, 7, 3, 10 1J, 2J, 1K, 2K Synchronous Inputs; Flip-Flop 1 And 2 11 GND Ground (0V) 4VCC Positive Supply Voltage IEC LOGIC SYMBOL TRUTH TABLE INPUTS OUTPUTS FUNCTION CLR J K CK Q Q L XXXL H CLEAR HL L Qn Qn NO CHANGE HLH L H -- HH L H L -- HHH Qn Qn TOGGLE HX X Qn Qn NO CHANGE X: Don’t Care LOGIC DIAGRAM M54/M74HC73 2/11 |
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