Pin Assignments
258
266
QUADRUPLE 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES
WITH OPEN-DRAIN OUTPUTS
positive logic:
INPUTS
INPUTS
OUTPUT
CONTROL
OUTPUT
3Y
OUTPUT
4Y
Y = A ≈ B
G
4A AB
V
CC
3A 3B
V
CC
4B
4A
4Y
3Y
3B
3A
16 15 14 13 12 11 10
9
14 13 12 11 10
9
8
4A
AB
G
4Y
2A
3A
3B
S
3Y
1A
1B
1Y
2B
2Y
1
2
3
1B
4
5
2A
6
2B
7
8
GND
1
1A
2
1B
3
1Y
4
2Y
5
2A
6
2B
7
GND
SELECT 1A
1Y
2Y
OUTPUT
OUTPUT
INPUTS
INPUTS
See page 378
See page 383
259
273
OCTAL D-TYPE FLIP-FLOPS WITH CLEAR
8-BIT ADDRESSABLE LATCHES
OUTPUTS
Q6 Q5
EN-
DATA
IN
V
8Q
8D
7D
7Q
6Q
6D
5D
5Q CLOCK
12 11
Q
CC
V
CC
CLEAR ABLE
Q7
Q4
20 19 18 17 16 15 14 13
16 15 14 13 12 11 10
9
Q
D
D
Q
Q
D
D
CK
CLEAR
CK
CLEAR
CK
CLEAR
CK
CLEAR
G
D
CLEAR
A
B
C
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
CLEAR
CK
CLEAR
CK
CLEAR
CK
CLEAR
CK
Q
D
D
Q
Q
D
D
Q
1
2
3
1D
4
2D
5
2Q
6
3Q
7
3D
8
4D
9
4Q
10
GND
1
A
2
B
3
C
4
Q0
5
Q1
6
Q2
7
Q3
8
GND
CLEAR 1Q
LATCH SEL
OUTPUTS
See page 380
See page 384
260
276
QUADRUPLE J-K FLIP-FLORS
DUAL 5-INPUT POSITIVE-NOR GATES
positive logic:
Y = A + B + C + D + E
V
CC
4J
4CK
4K
4Q
3Q
3K
3CK
3J PRESET
V
1E
1D
2E
2D
2C
2B
CC
20 19 18 17 16 15 14 13
12 11
14 13 12 11 10
9
8
J
PR
Q
K
CLR
K
J
CK
CK
CK
CK
PR
Q
CLR
Q
PR
J
Q
CLR
K
CLR
K
PR
J
1
2
3
1CK
4
1K
5
1Q
6
2Q
7
2K
8
2CK
9
2J
10
GND
1
1A
2
1B
3
1C
4
2A
5
1Y
6
2Y
7
GND
CLEAR 1J
See page 382
See page 386
265
279
QUADRUPLE COMPLEMENTARY-OUTPUT ELEMENTS
QUADRUPLE S-R LATCHES
positive logic:
Y = A, W = A
Y = AB, W = AB
V
4S
4R
4Q
3S1
3S1
3R
3Q
CC
16 15 14 13 12 11 10
9
V
CC
4A
4W
4Y
3B
3A
3W
3Y
16 15 14 13 12 11 10
9
1
1R
2
1S1
3
1S2
4
1Q
5
2R
6
2S
7
2Q
8
GND
1
1A
2
1W
3
1Y
4
2A
5
2B
6
2W
7
2Y
8
GND
See page 382
See page 387
175