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TC74VHC163FK 数据表(PDF) 2 Page - Toshiba Semiconductor |
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TC74VHC163FK 数据表(HTML) 2 Page - Toshiba Semiconductor |
2 / 15 page TC74VHC161,163F/FN/FT/FK 2007-10-01 2 Pin Assignment IEC Logic Symbol Truth Table (Note) TC74VHC161 TC74VHC163 Inputs Inputs Outputs CLR LD ENP ENT CK CLR LD ENP ENT CK QA QB QC QD Function L X X X X L X X X L L L L 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 H H H H H H H 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: Logic level of data inputs Carry: CARRY = ENT・QA・QB・QC・QD VCC 16 CARRY OUTPUT QA QB 15 14 13 12 11 10 CLR 1 2 3 4 5 6 7 B C D ENP GND QC 8 LOAD 9 QD ENT (top view) CK A (9) (1) (10) (2) (7) ENP 1, 5D [1] CK (3) (4) B A (15) (14) QB (13) QA QC CT = 0 M1 LOAD CLR C (5) (6) D (12) QD (11) CARRY OUTPUT ENT TC74VHC161 CTRDIV 16 M2 G3 G4 C5/2, 3, 4+ 3CT = 15 [2] [4] [8] (9) (1) (10) (2) (7) ENP 1, 5D [1] CK (3) (4) B A (15) (14) QB (13) QA QC 5CT = 0 M1 LOAD CLR C (5) (6) D (12) QD (11) CARRY OUTPUT ENT TC74VHC163 CTRDIV 16 M2 G3 G4 C5/2, 3, 4+ 3CT = 15 [2] [4] [8] |
类似零件编号 - TC74VHC163FK |
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类似说明 - TC74VHC163FK |
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