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DM74AS74SJX View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
DM74AS74SJX Dual D-Type Positive-Edge-Triggered Flip-Flop with Preset and Clear Fairchild
Fairchild Semiconductor Fairchild
DM74AS74SJX Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
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
Typical θJA
N Package
76.0°C/W
M Package
107.0°C/W
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
4.5
VIH
HIGH Level Input Voltage
2
VIL
LOW Level Input Voltage
IOH
HIGH Level Output Current
IOL
LOW Level Output Current
fCLK
Clock Frequency
0
tW(CLK)
Width of Clock Pulse
HIGH
4
LOW
5.5
tW
Pulse Width Preset & Clear LOW
4
tSU
Data Setup Time (Note 3)
4.5
tSU
PRE or CLR Setup-Time (Note 3)
2
tH
Data Hold Time (Note 3)
0
TA
Free Air Operating Temperature
0
Note 3: The () arrow indicates the positive edge of the Clock is used for reference.
Nom
5
Max
5.5
0.8
2
20
105
70
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Conditions
Min
Typ
VIK
Input Clamp Voltage
VCC = 4.5V, II = −18 mA
VOH
HIGH Level
VCC = 4.5V to 5.5V,
Output Voltage
IOH = −2 mA
VOL
LOW Level
VCC = 4.5V, VIH = Max,
Output Voltage
IOL = 20 mA
II
Input Current @ Max Input Voltage VCC = 5.5V, VIH = 7V
IIH
HIGH Level Input Current
VCC = 5.5V,
VIH = 2.7V
IIL
LOW Level Input Current
VCC = 5.5V,
VIL = 0.4V
IO
Output Drive Current
VCC = 5.5V, VO = 2.25V
ICC
Supply Current
VCC = 5.5V
VCC 2
0.35
Clock, D
Preset, Clear
Clock, D
Preset, Clear
30
10.5
Units
V
V
V
mA
mA
MHz
ns
ns
ns
ns
ns
ns
°C
Max
1.2
0.5
0.1
20
40
0.5
1.8
112
16
Units
V
V
V
mA
µA
µA
mA
mA
mA
mA
3
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