Pin Assignments
166
173
4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS
8-BIT PARALLEL-LOAD SHIFT REGISTERS
DATA ENABLE
INPUTS
DATA INPUTS
2D
PARALLEL INPUTS
PARALLEL
SHIFT/ INPUT OUTPUT
LOAD QH
1D
V
CC
CLEAR
3D
4D
G2
G1
V
CC
H
G
F
E
CLEAR
16 15 14 13 12 11 10
9
16 15 14 13 12 11 10
9
SHIFT/
LOAD
H
B
QH
G
D
F
E
1D
2D
2Q
CLEAR
3D
3Q
4D
4Q
DATA
ENABLE
SERIAL
INPUT
CLEAR
CK
OUTPUT
CK
CONTROL 1Q
CLOCK
A
C
INHIBIT
1
M
2
N
3
1Q
4
2Q
5
3Q
6
7
8
1
2
A
3
B
4
C
5
D
6
7
8
4Q CLOCK GND
SERIAL
CLOCK CLOCK GND
INPUT
INHIBIT
OUTPUT CONTROL
OUTPUTS
PARALLEL INPUTS
See page 326
See page 332
169
174
HEX D-TYPE FLIP-FLOPS WITH CLEAR
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
OUTPUTS
RIPPLE
CARRY
ENABLE
T
6D
5D
V
CC
6Q
5Q
4D
4Q CLOCK
OUTPUT QA
QB
QC
QD
LOAD
V
CC
16 15 14 13 12 11 10
9
16 15 14 13 12 11 10
9
Q
D
D
Q
D
Q
CK
CLEAR
CK
CLEAR
CK
CLEAR
RIPPLE QA
CARRY
QB
B
QC
C
QD ENABLE
T
OUTPUT
UP/DOWN
LOAD
CLEAR
CK
CLEAR
CK
CLEAR
CK
ENABLE
P
CK
A
D
Q
D
D
Q
D
Q
1
2
3
1D
4
2D
5
2Q
6
3D
7
3Q
8
GND
1
U/D
2
CK
3
A
4
B
5
C
6
D
7
8
CLEAR 1Q
ENABLE GND
P
DATA INPUTS
See page 328
See page 334
170
175
QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
4-BY-4-REGISTER FILES WITH OPEN-COLLECTOR OUTPUTS
WRITE SELECT
ENABLE
OUTPUTS
4Q
4D
DATA
D1
V
CC
4Q
3D
3Q
3Q CLOCK
WA
WB
V
CC
WRITE READ
Q1
Q2
16 15 14 13 12 11 10
9
16 15 14 13 12 11 10
9
Q
Q
D
Q
D
Q
CLR
CLR
CK
CK
CK
CK
D1
D3
WA
D4
WB
RB
GW
GR
Q4
Q1
Q3
D2
Q2
D
Q
D
Q
CLR
Q
CLR
Q
RA
1
2
3
1Q
4
1D
5
2D
6
2Q
7
2Q
8
GND
1
D2
2
D3
3
D4
4
RB
5
RA
6
Q4
7
Q3
8
GND
CLEAR 1Q
DATA
READ SELECT
OUTPUTS
See page 330
See page 335
171
TI [ TEXAS INSTRUMENTS ]
