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M74HCT160M1R 数据表(PDF) 3 Page - STMicroelectronics |
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M74HCT160M1R 数据表(HTML) 3 Page - STMicroelectronics |
3 / 16 page TRUTH TABLE M54/74HCT160/161 M54/74HCT162/163 OUTPUTS FUNCTION INPUTS INPUTS CLR LD PE TE CK CLR LD PE TE CK QA QB QC QD L X X X X L X X X LLLL RESET TO ”0” H L X X H L X X A B C D PRESET DATA H H X L H H X L NO CHANGE NO COUNT H H L X H H L X NO CHANGE NO COUNT HHHH HHH H COUNT UP COUNT H X X X X X X X NO CHANGE NO COUNT Note: X : Don’t Care A, B, C, D : Logi level of data inputs Carry : CARRY = TE • QA • QB • QC • QD ............ (M54/74HCT160/162) : CARRY = TE • QA • QB • QC • QD ............ (M54/74HCT161/163) TIMING CHART (HCT160/162 : decade counter) M54/M74HCT160/161/162/163 3/16 |
类似零件编号 - M74HCT160M1R |
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类似说明 - M74HCT160M1R |
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