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M54HC76 Datasheet(PDF) 2 Page - STMicroelectronics |
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M54HC76 Datasheet(HTML) 2 Page - STMicroelectronics |
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PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1, 6 1CK, 2CK Clock Input (HIGH to LOW edge triggered) 2, 7 1PR, 2PR Set Inputs (Active LOW) 3, 8 1CLR, 2CLR Asynchronous Reset Inputs (Active LOW) 4, 9 1J, 2J Data Inputs: Flip-Flop 1 and 2 10, 14 1Q, 2Q Complement Flip-Flop Outputs 11, 15 1Q, 2Q True Flip-Flop Outputs 16, 12 1K, 2K Data Inputs: Flip-Flop 1 and 2 5 GND Ground (0V) 13 VCC Positive Supply Voltage IEC LOGIC SYMBOL TRUTH TABLE INPUTS OUTPUTS FUNCTION CLR PR J K CK Q Q L H X X X L H CLEAR H L X X X H L PRESET LL X X X H H HH L L Qn Qn NO CHANGE H HLH L H HH H L H L HH H H Qn Qn TOGGLE HH X X Qn Qn NO CHANGE X: Don’t Care LOGIC DIAGRAM (1/2 Package) M54/M74HC76 2/11 |
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