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DM74LS169A Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. DM74LS169A
Description  Synchronous 4-Bit Up/Down Binary Counter
Download  8 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74LS169A Datasheet(HTML) 2 Page - Fairchild Semiconductor

   
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Absolute Maximum Ratings (Note 1)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54LS and 54LS
−55˚C to +125˚C
DM74LS
0˚C to +70˚C
Storage Temperature Range
−65˚C to +150˚C
Recommended Operating Conditions
Symbol
Parameter
DM54LS169A
DM74LS169A
Units
Min
Nom
Max
Min
Nom
Max
V
CC
Supply Voltage
4.5
5
5.5
4.75
5
5.25
V
V
IH
High Level Input Voltage
2
2
V
V
IL
Low Level Input Voltage
0.7
0.8
V
I
OH
High Level Output Current
−0.4
−0.4
mA
I
OL
Low Level Output Current
4
8
mA
f
CLK
Clock Frequency (Note 2)
0
25
0
25
MHz
Clock Frequency (Note 3)
0
20
0
20
MHz
t
W
Clock Pulse Width (Note 4)
25
25
ns
t
SU
Setup Time
Data
20
20
(Note 4)
Enable
20
20
TorP
ns
Load
25
25
U/D
30
30
t
H
Hold Time (Note 4)
0
0
ns
T
A
Free Air Operating Temperature
−55
125
0
70
˚C
Note 1:
The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these
limits. The parametric values defined in the “Electrical Characteristics” table are not guaranteed at the absolute maximum ratings. The “Recommended Operating
Conditions” table will define the conditions for actual device operation.
Note 2: CL = 15 pF, RL = 2kΩ,TA = 25˚C and VCC = 5V.
Note 3: CL = 50 pF, RL = 2kΩ,TA = 25˚C and VCC = 5V.
Note 4: TA = 25˚C and VCC = 5V.
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 5)
V
I
Input Clamp Voltage
V
CC = Min, II = −18 mA
−1.5
V
V
OH
High Level Output
V
CC = Min, IOH = Max
DM54
2.5
3.4
V
Voltage
V
IL = Max, VIH = Min
DM74
2.7
3.4
V
OL
Low Level Output
V
CC = Min, IOL = Max
DM54
0.25
0.4
Voltage
V
IL = Max, VIH = Min
DM74
0.35
0.5
V
I
OL = 4 mA, VCC = Min
DM74
0.25
0.4
I
I
Input Current @ Max
V
CC = Max
Enable T
0.2
mA
Input Voltage
V
I = 7V
Others
0.1
I
IH
High Level Input
V
CC = Max
Enable T
40
µA
Current
V
I = 2.7V
Others
20
I
IL
Low Level Input
V
CC = Max
Enable T
−0.8
mA
Current
V
I = 0.4V
Others
−0.4
I
OS
Short Circuit
V
CC = Max
DM54
−20
−100
mA
Output Current
(Note 6)
DM74
−20
−100
I
CC
Supply Current
V
CC = Max(Note 7)
20
34
mA
Note 5: All typicals are at VCC = 5V and 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 after a momentary 4.5V, then ground, is applied to the CLOCK with all other inputs grounded and all the outputs open.
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