Pin Assignments
520
543
OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
OCTAL BINARY/BCD IDENTITY COMPARATORS WITH ENABLE
521
8-BIT IDENTITY COMPARATORS WITH OPEN-COLLECTOR OUTPUTS
V
CC
CEBA
B1
B2
B3
B4
B5
B6
B7
B8
LEAB OEAB
V
CC
P=Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
24 23 22 21 20 19 18 17 16 15 14 13
20 19 18 17 16 15 14 13 12 11
CEBA
B1
B2
B3
B4
B5
B6
B7
B8
LEAB
P=Q
P0
Q7
Q0
P7
P1
Q6
Q1
P6
P2
Q5
Q2
P5
P3
Q4
Q3
LEBA
OEAB
G
P4
OEBA
A1
A2
A3
A4
A5
A6
A7
A8
CEAB
1
2
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
9
A7
10 11 12
1
G
2
P0
3
Q0
4
P1
5
Q1
6
P2
7
Q2
8
P3
9
Q3
10
GND
LEBA OEBA
A8
CEAB GND
See page 434, 435
See page 440
533
561
SYNCHRONOUS 4-BIT COUNTERS WITH 3-STATE OUTPUTS
OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
C
V
CC
RCO CCO
G
Q
Q
B
Q
C
Q
D
ENT SLOAD
A
20 19 18 17 16 15 14 13 12 11
20 19 18 17 16 15 14 13 12 11
Q
Q
D
D
D
D
Q
Q
RCO CCO
G
Q
Q
Q
Q
D
ENT
A
B
C
C8
C7
Q
Q
C6
C5
OC
OC
OC
OC
ALOAD
SLOAD
Q
Q
C1
OC
C2
OC
C3
OC
C4
D OC
CLK
D
A
D
B
D
D
ENP ACLR SCLR
D
D
D
C
C
D
D
1
OC
2
1Q
3
1D
4
2D
5
2Q
6
3Q
7
3D
8
4D
9
4Q
10
GND
1
2
3
A
4
5
D
6
7
8
9
10
ALOAD CLK
D
D
B
D
ENP ACLR SCLR GND
See page 436
See page 442
534
563
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE
OUTPUTS
OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS
ENABLE
V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
C
20 19 18 17 16 15 14 13 12 11
20 19 18 17 16 15 14 13 12 11
8Q
D
D
7Q
6Q
D
D
5Q
1Q
OC
1D
2Q
3Q
4Q
5Q
6Q
7Q
8Q
C
CK
CK
CK
CK
OC
OC
OC
OC
1Q
2Q
3Q
4Q
CK
CK
CK
CK
2D
3D
4D
5D
6D
7D
8D
OC
D
D
OC
OC
D
D
OC
1
OC
2
1Q
3
1D
4
2D
5
2Q
6
3Q
7
3D
8
4D
9
4Q
10
GND
1
OC
2
1D
3
2D
4
3D
5
4D
6
5D
7
6D
8
7D
9
8D
10
GND
See page 437
See page 444
540
541
564
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE
OUTPUTS
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
CLK
V
CC
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
20 19 18 17 16 15 14 13 12 11
20 19 18 17 16 15 14 13 12 11
1Q
OC
1D
2Q
2D
3Q
3D
4Q
4D
5Q
5D
6Q
6D
7Q
7D
8Q
CLK
8D
1
OC
2
1D
3
2D
4
3D
5
4D
6
5D
7
6D
8
7D
9
8D
10
GND
1
G1
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
See page 438, 439
See page 445
180
TI [ TEXAS INSTRUMENTS ]
