SN54/74LS390
•
SN54/74LS393
SN54 / 74LS390 BCD
TRUTH TABLE
(Input on CP0; Q0 CP1)
OUTPUTS
COUNT
0
1
2
3
4
5
6
7
8
9
Q3
L
L
L
L
L
L
L
L
H
H
Q2 Q1
L
L
L
L
H
H
H
H
L
L
L
L
H
H
L
L
H
H
L
L
Q0
L
H
L
H
L
H
L
H
L
H
COUNT
0
1
2
3
4
SN54/ 74LS390
÷
5
TRUTH TABLE
(Input on CP1)
OUTPUTS
Q3
L
L
L
L
H
Q2 Q1
L
L
H
H
L
L
H
L
H
L
SN54 / 74LS393
TRUTH TABLE
OUTPUTS
COUNT
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Q3
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
Q2 Q1
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
Q0
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
SN54 / 74LS390
÷
10 (50% @ Q0)
TRUTH TABLE
(Input on CP1, Q3 to CP0)
OUTPUTS
COUNT
0
1
2
3
4
5
6
7
8
9
Q3
L
L
L
L
H
L
L
L
L
H
Q2 Q1
L
L
H
H
L
L
L
H
H
L
L
H
L
H
L
L
H
L
H
L
Q0
L
L
L
L
L
H
H
H
H
H
H = HIGH Voltage Level
L = LOW Voltage Level
GUARANTEED OPERATING RANGES
Symbol
VCC
TA
IOH
IOL
Supply Voltage
Operating Ambient Temperature Range
Output Current — High
Output Current — Low
Parameter
54
74
54
74
54, 74
54
74
Min
4.5
4.75
– 55
0
Typ
5.0
5.0
25
25
Max
5.5
5.25
125
70
– 0.4
4.0
8.0
Unit
V
°C
mA
mA
FAST AND LS TTL DATA
5-3
ONSEMI [ ON SEMICONDUCTOR ]
