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DM74LS158CW View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
DM74LS158CW
Fairchild
Fairchild Semiconductor Fairchild
DM74LS158CW Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
DM74LS158 Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Min
4.75
2
Nom
5
0
DM74LS158 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
VOH
HIGH Level
VCC = Min, IOH = Max
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
Output Voltage
VIL = Max, VIH = Min
IOL = 4 mA, VCC = Min
II
Input Current @ Max
VCC = Max
Input Voltage
VI = 7V
IIH
HIGH Level
VCC = Max
Input Current
VI = 2.7V
IIL
LOW Level
VCC = Max
Input Current
VI = 0.4V
IOS
Short Circuit Output Current
VCC = Max (Note 6)
ICC
Supply Current
VCC = Max (Note 7)
2.7
S or G
A or B
S or G
A or B
S or G
A or B
20
Note 5: All typicals are at VCC = 5V, TA = 25°C.
Note 6: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7: ICC is measured with 4.5V applied to all inputs and all outputs OPEN.
Max
Units
5.25
V
V
0.8
V
0.4
mA
8
mA
70
°C
Typ
(Note 5)
3.4
0.35
0.25
4.8
Max
1.5
0.5
0.4
0.2
0.1
40
20
0.8
0.4
100
8
Units
V
V
V
mA
µA
mA
mA
mA
DM74LS158 Switching Characteristics
at VCC = 5V and TA = 25°C
From (Input)
Symbol
Parameter
To (Output)
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
Data to Y
Data to Y
Strobe to Y
Strobe to Y
Select to Y
Select to Y
RL = 2 k
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
12
18
12
21
17
23
18
28
20
24
24
36
Units
ns
ns
ns
ns
ns
ns
www.fairchildsemi.com
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