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M54HC593 数据表(PDF) 2 Page - STMicroelectronics

部件名 M54HC593
功能描述  8 BIT BINARY COUNTER WITH INPUT REGISTER 3-STATE
PDF  12 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC593 数据表(HTML) 2 Page - STMicroelectronics

  M54HC593 Datasheet HTML 1Page - STMicroelectronics M54HC593 Datasheet HTML 2Page - STMicroelectronics M54HC593 Datasheet HTML 3Page - STMicroelectronics M54HC593 Datasheet HTML 4Page - STMicroelectronics M54HC593 Datasheet HTML 5Page - STMicroelectronics M54HC593 Datasheet HTML 6Page - STMicroelectronics M54HC593 Datasheet HTML 7Page - STMicroelectronics M54HC593 Datasheet HTML 8Page - STMicroelectronics M54HC593 Datasheet HTML 9Page - STMicroelectronics Next Button
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS
FUNCTION
G
G
CCLR
CCKEN
CCKEN
CCK
CLOAD
RCKEN
RCK
L
H
X
X
X
X
X
X
X
ALL Q BUS BECOME HIGH Z AND
CAN BE APPLIED ANY DATA
H
X
X
X
X
X
X
X
X
THE OUTPUT DATA OF THE
COUNTER IS ENABLE ON QA
THRU QH
XL
X
X
X
X
X
X
X
X
X
L
X
X
X
H
X
X
COUNTER IS CLEARED TO ZERO
X
X
H
X
X
X
L
X
X
THE DATA OF Q BUS IS LOADED
INTO COUNTER
X
X
H
H
X
H
X
X
COUNTER ADVANCES THE
COUNT
XX
H
X
L
H
X
X
X
X
H
H
X
H
X
X
NO COUNT
XX
H
X
L
H
X
X
X
X
H
L
H
X
H
X
X
NO COUNT
X
X
X
X
X
X
X
H
X
REGISTER DATA IS NOT
CHANGED
X
X
X
X
X
X
X
L
REGISTER DATA IS NOT
CHANGED
X
X
X
X
X
X
X
L
THE DATA OF Q BUS IS STORED
INTO REGISTER
X: Don’t Care
RCO = QA’
• QB’ • QC’ • QD’ • QE’ • QF’ • QG’ • QH’
(QA’ to QH’: Internal outputs of the counter)
M54/M74HC593
2/12



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