Pin Assignments
686
756
OCTAL BUFFER/DRIVER WITH OPEN-COLLECTOR OUTPUTS
8-BIT MAGNITUDE/IDENTITY COMPARATORS
V
CC
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
V
CC
G2
P=Q
Q7
P7
NC
Q6
P6
Q5
P5
Q4
P4
20 19 18 17 16 15 14 13 12 11
24 23 22 21 20 19 18 17 16 15 14 13
G2
G1
P=Q
P0
Q7
Q0
P7
P1
Q6
P6
P2
Q5
Q2
P5
P3
Q4
Q3
P>Q
P4
Q1
1
1G
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
1
P>Q
2
G1
3
P0
4
Q0
5
P1
6
Q1
7
NC
8
P2
9
Q2
10 11 12
P3
Q3
GND
NC-No internal connection
See page 516
See page 524
688
757
OCTAL BUFFER/DRIVER WITH OPEN-COLLECTOR OUTPUTS
8-BIT IDENTITY COMPARATORS
V
CC
P=Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
V
CC
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
20 19 18 17 16 15 14 13 12 11
20 19 18 17 16 15 14 13 12 11
P=Q
Q7
P7
Q6
P6
Q5
P5
Q4
G
P4
P0
Q0
P1
Q1
P2
Q2
P3
Q3
1
G
2
P0
3
Q0
4
P1
5
Q1
6
P2
7
Q2
8
P3
9
Q3
10
GND
1
1G
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
See page 518
See page 525
697
699
760
OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS
SYNCHRONOUS UP/DOWN COUNTERS WITH OUTPUT REGISTERS
AND MULTIPLEXED 3-STATE OUTPUTS
3-STATE OUTPUT
RIPPLE
CAPPY
OUTPUT
ENABLE
T
CONTROL R/C
SELECT
V
CC
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
V
CC
OUTPUT
Q
A
Q
B
Q
C
Q
D
LOAD
20 19 18 17 16 15 14 13 12 11
20 19 18 17 16 15 14 13 12 11
RCO
Q
A
Q
B
Q
C
Q
D
ENABLE LOAD
T
G
U/D
R/C
ENA
P
CCK
A
B
C
D
CCLR RCK
1
1G
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
1
2
3
A
4
5
6
D
7
8
9
10
UP/
B
C
ENABLE
ESIST- GND
DOWN
COUNT- ER
ER CLOCK
CLEAR
P
COUNTER
CLOCK
DATA INPUTS
See page 520, 522
See page 526
186
TI [ TEXAS INSTRUMENTS ]
