SN54LS290 View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
SN54LS290 Datasheet PDF : 7 Pages
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SN74LS290
LS293 MODE SELECTION
RESET INPUTS
OUTPUTS
MR1
H
L
H
L
MR2
H
H
L
L
Q0 Q1 Q2
Q3
L
L
L
L
Count
Count
Count
TRUTH TABLE
OUTPUT
COUNT
Q0 Q1
Q2
Q3
0
L
L
L
L
1
H
L
L
L
2
L
H
L
L
3
HH
L
L
4
L
L
H
L
5
H
L
H
L
6
L
H
H
L
7
HH
H
L
8
L
L
L
H
9
H
L
L
H
10
L
H
L
H
11
HH
L
H
12
L
L
H
H
13
H
L
H
H
14
L
H
H
H
15
HH
H
H
Note: Output Q0 connected to input CP1.
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
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