SN54-74LS192 ONSEMI [ON Semiconductor], SN54-74LS192 Datasheet - Page 2

• Manufacturer Part Number: SN54-74LS192
• Description: PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
• Manufacturer: ONSEMI [ON Semiconductor]

(UP COUNT)
LOGIC DIAGRAMS
V CC = PIN 16
GND = PIN 8
COUNT)
(CLEAR)
STATE DIAGRAMS
(DOWN
(LOAD)
15
14
13
12
CP U
= PIN NUMBERS
CP D
0
MR
P L
14
11
5
4
11
1
LS192
10
15
2
P 0
T
C D
S D
Q
Q
3
9
3
Q 0
4
5
6
7
8
SN54/74LS192 SN54/74LS193
1
LS192 LOGIC EQUATIONS
LS193 LOGIC EQUATIONS
P 1
FOR TERMINAL COUNT
FOR TERMINAL COUNT
T
TC U = Q 0 Q 3 CP U
TC D = Q 0 Q 1 Q 2 Q 3 CP D
TC U = Q 0 Q 1 Q 2 Q 3 CP U
TC D = Q 0 Q 1 Q 2 Q 3 CP D
S D
C D
FAST AND LS TTL DATA
Q
Q
COUNT UP
COUNT DOWN
2
Q 1
LS192
5-2
10
P 2
T
C D
S D
Q
Q
6
Q 2
15
14
13
12
0
11
1
9
P 3
T
S D
C D
LS193
Q
Q
10
2
7
Q 3
3
9
12
13
TC U
(CARRY
TC D
(BORROW
OUTPUT)
OUTPUT)
4
5
6
7
8