... H L L L H L H L L L L L L L
Qf H L H L L L H H H L H H L L L L L L
Qg H L L L H H H H H L H H L L L L L L 8 blank 0 1 2 3 4 5 6 7 8 9...50 3.70 3.10 5.35 5.20 4.20 VIH or 7.5 VIL 10.0 VIH or 7.5 VIL 10.0 15.0
December 1990
6
Ph...
... L L L L L L
(1)
DISPLaY Qe Qf L H L L L H H H L H H L L L L L L L L L H H H H H L H H L L L L L L Qg blank 0 1 2 3 4 5 6 7 8 9 blank bl...50 pF Tamb (C) 74HC SYMBOL PaRaMETER +25 -40 to +85 -40 to +125
74HC/HCT4543
TEST CONDITIONS U...
...L SR a/Qa B/QB C/QC D/QD E/QE F/QF G/Q G H/QH Qa' X X X X X X H L X X X X X H L X X X L L Qa0 Qa0 H L QBn QBn a L L QB0 QB0 Qan Qan QCn QCn ...50 pF, Input tr = tf = 6 ns)
Ta = 25C Item Maximum clock frequency Symbol f max Ta = -40 to +85C Ma...
... PG/ PH/ Qa' QH' Qa QB QC QD QE QF QG QH
Qa through QH=Z Shift Right: Qa through QH=Z; Da Fa; Fa FB; etc Shift Right: Qa through QH=Z; Da Fa; Fa FB; etc Shift Right: Da Fa =Qa; Fa FB =QB; etc Shift Left: Qa through QH=Z; DH FH; FH FG; et...
Description
8-Bit Bidirectional Universal Shift Register with Parallel I/O