74 Series digital circuit of 74LS295B 4-bit bidirectional universal shift register (tristate)

Published:2011/8/2 4:24:00 Author:Lucas | Keyword: 74 Series , digital circuit , 4-bit bidirectional , universal shift register , tristate | From:SeekIC

Absorption current is three times greater than LS295A; parallel input, parallel output; it has three operation modes with parallel register, and the right shift(direction is from QA to QD), left shift(the direction is from QD to QA). Data is input at the D-side. a, b, c, d = the corresponding steady input level of A, B, C, D. QA0, QB0, QC0, QD0= the corresponding level of QA, QB, QC, QD before the establishment of steady-state input conditions. QAn, QBn, QCn= the corresponding level of QA, QB, QC at the latest time hopping.



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