SN54/74LS390 View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
SN54/74LS390 Datasheet PDF : 7 Pages
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SN54/74LS390 • SN54/74LS393
SN54 / 74LS390 BCD
TRUTH TABLE
(Input on CP0; Q0 CP1)
COUNT
0
1
2
OUTPUTS
Q3 Q2 Q1 Q0
LLL L
LLLH
L LHL
3
L LHH
4
LHL L
5
LHLH
6
L HH L
7
L HHH
8
HLL L
9
HLLH
SN54/ 74LS390 ÷ 5
TRUTH TABLE
(Input on CP1)
OUTPUTS
COUNT
Q3 Q2 Q1
0
LLL
1
L LH
2
LHL
3
L HH
4
HLL
SN54 / 74LS390 ÷ 10 (50% @ Q0)
TRUTH TABLE
(Input on CP1, Q3 to CP0)
COUNT
0
1
2
OUTPUTS
Q3 Q2 Q1 Q0
LLLL
L LHL
LHL L
3
L HH L
4
HLL L
5
LLLH
6
L LHH
7
LHLH
8
L HHH
9
HLLH
SN54 / 74LS393
TRUTH TABLE
COUNT
0
1
2
3
OUTPUTS
Q3 Q2 Q1 Q0
LLL L
LLLH
L LHL
L LHH
4
LHL L
5
LHLH
6
L HH L
7
L HHH
8
HLL L
9
HLLH
10
HLH L
11
HLHH
12
HHL L
13
HHL H
14
HHH L
15
HHH H
H = HIGH Voltage Level
L = LOW Voltage Level
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54
4.5
5.0
5.5
V
74
4.75
5.0
5.25
54
– 55
25
125
°C
74
0
25
70
54, 74
– 0.4
mA
54
4.0
mA
74
8.0
FAST AND LS TTL DATA
5-546
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