M54/M74HC592
TRUTH TABLE
INPUTS
RCK CLOAD CCLR CCKEN CCK
X
L
H
X
X
X
H
L
X
X
H
H
X
X
H
H
X
X
X
H
H
L
X
H
H
L
X
H
H
H
X
X: Don’t Care
RCO = QA’ • QB’ • QC’ • QD’ • QE’ • QF’ • QG’ • QH’
(QA’ to QH’: Internal outputs of the counter)
FUNCTION
REGISTER DATA IS LOADED INTO COUNTER
COUNTER CLEAR
THE DATA OF A THRU H INPUTS IS STORED INTO REGISTER
REGISTER STATE IS NOT CHANGED
COUNTER ADVANCES THE COUNT
NO COUNT
NO COUNT
TIMING CHART
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