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DM74LS156M View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
DM74LS156M
Fairchild
Fairchild Semiconductor Fairchild
DM74LS156M Datasheet PDF : 6 Pages
1 2 3 4 5 6
DM74LS156 Recommended Operating Conditions
Symbol
VCC
VIH
VIL
VOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Voltage
LOW Level Output Current
Free Air Operating Temperature
Min
4.75
2
Nom
5
0
DM74LS156 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
ICEX
HIGH Level
VCC = Min, VO = 5.5V
Output Current
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 Input Voltage
VCC = Max, VI = 7V
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
ICC
Supply Current
VCC = Max (Note 8)
Note 7: All typicals are at VCC = 5V, TA = 25° C.
Note 8: ICC is measured with all outputs OPEN, A, B, and C1 inputs at 4.5V, and C2, G1, and G2 GROUNDED.
Max
Units
5.25
V
V
0.8
V
5.5
V
8
mA
70
°C
Typ
Max
(Note 7)
1.5
100
0.35
0.5
0.25
0.4
0.1
20
0.36
6.1
10
Units
V
µA
V
mA
µA
mA
mA
DM74LS156 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
A, B, C2, G1
or G2 to Y
A, B, C2, G1
or G2 to Y
A or B
to Y
A or B
to Y
C1
to Y
C1
to Y
RL = 2 k
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
28
53
33
43
28
53
33
43
28
53
34
43
Units
ns
ns
ns
ns
ns
ns
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