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M54HC112D 数据表(PDF) 2 Page - STMicroelectronics |
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M54HC112D 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 11 page ![]() M54HC112 2/11 IEC LOGIC SYMBOLS INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don’t Care PIN N° SYMBOL NAME AND FUNCTION 1, 13 1CK,2CK Clock Input (HIGH to LOW edge triggered) 2, 12 1K, 2K Data Inputs: Flip-Flop 1 and 2 3, 11 1J, 2J Data Inputs: Flip-Flop 1 and 2 4, 10 1PR,2PR Set Inputs 5, 9 1Q, 2Q True Flip-Flop Outputs 6, 7 1Q,2Q Complement Flip-Flop Outputs 15, 14 1CLR,2CLR Reset Inputs 8 GND Ground (0V) 16 VCC Positive Supply Voltage INPUTS OUTPUTS FUNCTION CLR PR JK CK Q Q L H XXX L H CLEAR H L X X X H L PRESET L L X X X H H ---- HH L L Qn QnNO CHANGE H H H L H L ---- H H L H L H ---- HH HH Qn Qn TOGGLE HH X X Qn QnNO CHANGE |
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