74HC595D Datasheet, PDF (2/9 Pages) Tiger Electronic Co.,Ltd – 8-Bit Shift Registers with Output Latches

74HC595
Pin Function
Pin
15，1～7
8，16
9
10
11
12
13
14
Name
QA～QH
GND，VCC
Q’H
SCLR
SCK
RCK
G
SER
Truth Table
RCK
X
X
X
SCK
X
X
↑
↑
X
SCLR
X
L
H
H
I/O
O
－
O
I
I
I
I
I
G
H
L
L
L
Description
8 bit 3-STATE Output
Grond, Supply
Serial Output
Shift Register cleared
Shift Register clocked
Output Register clocked
Output state control
Data input
Description
QA to QH = 3-STATE
Shift Register cleared, Q’H =0
Shift Register clocked,Q_N= Qn-1，Q0= SER
Contents of Shift Register transferred to output
latches
Rev 2.2 2013-11-21
2/7