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74HC595 数据表(PDF) 2 Page - STMicroelectronics

部件名 74HC595
功能描述  8 BIT SHIFT REGISTER WITH OUTPUT LATCHES 3 STATE
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

74HC595 数据表(HTML) 2 Page - STMicroelectronics

  74HC595 Datasheet HTML 1Page - STMicroelectronics 74HC595 Datasheet HTML 2Page - STMicroelectronics 74HC595 Datasheet HTML 3Page - STMicroelectronics 74HC595 Datasheet HTML 4Page - STMicroelectronics 74HC595 Datasheet HTML 5Page - STMicroelectronics 74HC595 Datasheet HTML 6Page - STMicroelectronics 74HC595 Datasheet HTML 7Page - STMicroelectronics 74HC595 Datasheet HTML 8Page - STMicroelectronics 74HC595 Datasheet HTML 9Page - STMicroelectronics Next Button
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS
OUTPUT
SI
SCK
SCLR
RCK
G
X
X
X
X
H
QA THRU QH OUTPUTS DISABLE
X
X
X
X
L
QA THRU QH OUTPUTS ENABLE
X
X
L
X
X
SHIFT REGISTER IS CLEARED
LH
X
X
FIRST STAGE OF S.R. BECOMES ”L” OTHER STAGES
STORE THE DATA OF PREVIOUS STAGE, RESPECTIVELY
HH
X
X
FIRST STAGE OF S.R. BECOMES ”H” OTHER STAGES
STORE THE DATA OF PREVIOUS STAGE, RESPECTIVELY
X
H
X
X
STATE OF S.R IS NOT CHANGED
X
X
X
X
S.R. DATA IS STORED INTO STORAGE REGISTER
X
X
X
X
STORAGE REGISTER STATE IS NOT CHANGED
X: DON’T CARE
LOGIC DIAGRAM
M54/M74HC595
2/13



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