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SN54-74LS192 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. SN54-74LS192
Description  PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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SN54-74LS192 Datasheet(HTML) 2 Page - ON Semiconductor

   
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FAST AND LS TTL DATA
SN54/74LS192
• SN54/74LS193
STATE DIAGRAMS
LS192 LOGIC EQUATIONS
FOR TERMINAL COUNT
LS192
LS193
COUNT UP
COUNT DOWN
012
3
4
5
6
7
8
9
10
11
12
13
14
15
01
23
4
5
6
7
8
9
10
11
12
13
14
15
TCU = Q0 ⋅ Q3 ⋅ CPU
TCD = Q0 ⋅ Q1 ⋅ Q2 ⋅ Q3 ⋅ CPD
LS193 LOGIC EQUATIONS
FOR TERMINAL COUNT
TCU = Q0 ⋅ Q1⋅ Q2⋅ Q3 ⋅ CPU
TCD = Q0 ⋅ Q1 ⋅ Q2 ⋅ Q3 ⋅ CPD
LOGIC DIAGRAMS
VCC = PIN 16
GND = PIN 8
= PIN NUMBERS
LS192
P0
P1
P2
P3
TCU
(CARRY
OUTPUT)
Q0
Q1
Q2
Q3
MR
(CLEAR)
(DOWN
COUNT)
CPD
(UP COUNT)
CPU
(LOAD)
PL
1
2
67
3
4
5
9
11
12
10
13
15
14
TCD
(BORROW
OUTPUT)
SD
Q
Q
CD
T
SD
Q
Q
CD
T
SD
Q
Q
CD
T
SD
Q
Q
CD
T


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