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Part Name
Description
HD74HC673 View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
View to exact match
HD74HC673
16-bit Shift Register
Hitachi -> Renesas Electronics
HD74HC673 Datasheet PDF : 8 Pages
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HD74HC673
Function Table
Inputs
Shift Register Functions
Storage Register
Mode/ SER/
Read from Write into Parallel Functions
CS
R/
W
SHCLK
STRCLR
STRCLK Q
15
H XX
X
X
Z
Shift Serial Output Serial Input Load
No No
No
No
Clear
Load
No
X XX
L
X
Yes
LL
X
X
Z
Yes No
Yes
No
L HX
X
X
Q
15
Yes
LH
X
L
Q
14n
Yes Yes
LH
L
H
L
No Yes
No
No
No
No
No
Yes
Yes
No
LH
H
H
Y
15n
No Yes
L LX
H
Z
No
Yes
No
No
No
No
Yes
Pin Arrangement
CS
1
SH CLK 2
R/
W
3
STRCLR
4
Mode/STRCLK 5
SER/Q
15
6
Y
0
7
Y
1
8
Y
2
9
Y
3
10
Y
4
11
GND 12
24 V
CC
23 Y
15
22 Y
14
21 Y
13
20 Y
12
19 Y
11
18 Y
10
17 Y
9
16 Y
8
15 Y
7
14 Y
6
13 Y
5
(Top view)
2
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