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数据搜索系统，热门电子元器件搜索 |
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M74HC76 数据表(PDF) 2 Page - STMicroelectronics |
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M74HC76 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 11 page  M74HC76 2/11 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don’t Care LOGIC DIAGRAM 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 13 GND Ground (0V) 5 Vcc Positive Supply Voltage INPUTS OUTPUTS FUNCTION CLR PR JK CK QQ L H X X X L H CLEAR H L X X X H L PRESET LL X X X H H ---- H H L L Qn Qn NO CHANGE H H LH LH ---- HHH L H L ---- HHHH Qn Qn TOGGLE H H X X Qn Qn NO CHANGE |
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