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DM74LS109AM View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
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DM74LS109AM Datasheet PDF : 5 Pages
1 2 3 4 5
Absolute Maximum Ratings(Note 2)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
65°C to +150°C
Note 2: 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 tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Symbol
Parameter
Min
VCC
Supply Voltage
4.75
VIH
HIGH Level Input Voltage
2
VIL
LOW Level Input Voltage
IOH
HIGH Level Output Current
IOL
LOW Level Output Current
fCLK
Clock Frequency (Note 3)
0
fCLK
Clock Frequency (Note 4)
0
tW
Pulse Width
Clock HIGH
18
(Note 3)
Preset LOW
15
Clear LOW
15
tW
Pulse Width
(Note 4)
Clock HIGH
25
Preset LOW
20
Clear LOW
20
tSU
Setup Time
Data HIGH
30
(Note 3)(Note 5)
Data LOW
20
tSU
Setup Time
Data HIGH
35
(Note 5)(Note 4)
Data LOW
25
tH
Hold Time (Note 6)
0
TA
Free Air Operating Temperature
0
Note 3: CL = 15 pF, RL = 2 k, TA = 25°C and VCC = 5V.
Note 4: CL = 50 pF, RL = 2 k, TA = 25°C and VCC = 5V.
Note 5: The symbol () indicates the rising edge of the clock pulse is used for reference.
Note 6: TA = 25°C and VCC = 5V.
Nom
5
Max
5.25
0.8
0.4
8
25
20
70
Units
V
V
V
mA
mA
MHz
MHz
ns
ns
ns
ns
ns
°C
www.fairchildsemi.com
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