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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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M54HC73K 数据表(PDF) 2 Page - STMicroelectronics |
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M54HC73K 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 11 page  M54HC73 2/11 Figure 1: IEC Logic Symbols Figure 2: Input And Output Equivalent Circuit Table 1: Pin Description Table 2: Truth Table X : Don’t Care PIN N° SYMBOL NAME AND FUNCTION 1, 5 1CK,2CK Clock Input 2, 6 1CLR,2CLR Asynchronous 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) 4 VCC Positive Supply Voltage INPUTS OUTPUTS FUNCTION CLR JK CK QQ L XXX L H CLEAR HL L Qn Qn NO CHANGE H L H L H ---- H H L H L ---- HHH Qn Qn TOGGLE HX X Qn Qn NO CHANGE |
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