tc74vhc595f TOSHIBA Semiconductor CORPORATION, tc74vhc595f Datasheet - Page 2

• Manufacturer Part Number: tc74vhc595f
• Description: 8-bit Shift Register/latch
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Assignment
Truth Table
X: Don’t care
SI
H
X
X
X
L
X
X
X
GND
QG
QC
QD
QH
QB
QE
QF
SCK
X
X
X
X
X
1
2
3
4
5
6
7
8
Inputs
SCLR
H
H
H
X
X
X
X
L
(top view)
RCK
X
X
X
X
X
X
G
H
L
X
X
X
X
X
X
16
15
14
13
12
11
10
9
QA thru QH outputs disable
QA thru QH outputs enable
Shift register is cleared.
First stage of S.R. becomes “L”. Other stages store the data of previous stage,
respectively.
First stage of S.R. becomes “H”. Other stages store the data of previous stage,
respectively.
State of S.R. is not changed.
S.R. data is stored into storage register.
Storage register stage is not changed.
V
QA
SI
RCK
SCK
QH’
G
SCLR
CC
2
IEC Logic Symbol
SCLR
RCK
SCK
G
SI
(13)
(12)
(10)
(11)
(14)
Function
TC74VHC595F/FN/FT/FK
EN3
R
1D
C
C/1
2
SRG8
2D
2D
3
3
(15)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(9)
2007-10-01
QA
QB
QC
QD
QE
QF
QG
QH
QH’