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DM74LS373 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. DM74LS373
Description  3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops
Download  8 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74LS373 Datasheet(HTML) 3 Page - Fairchild Semiconductor

   
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Absolute Maximum Ratings(Note 1)
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 tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
DM74LS373 Recommended Operating Conditions
Note 2: The symbol (
↓) indicates the falling edge of the clock pulse is used for reference.
Note 3: TA = 25°C and VCC = 5V.
DM74LS373 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 4: All typicals are at VCC = 5V, TA = 25°C.
Note 5: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Supply Voltage
7V
Input Voltage
7V
Storage Temperature Range
−65°C to +150°C
Operating Free Air Temperature Range
0
°C to +70°C
Symbol
Parameter
Min
Nom
Max
Units
VCC
Supply Voltage
4.75
5
5.25
V
VIH
HIGH Level Input Voltage
2
V
VIL
LOW Level Input Voltage
0.8
V
IOH
HIGH Level Output Current
−2.6
mA
IOL
LOW Level Output Current
24
mA
tW
Pulse Width
Enable HIGH
15
ns
(Note 3)
Enable LOW
15
tSU
Data Setup Time (Note 2) (Note 3)
5
ns
tH
Data Hold Time (Note 2) (Note 3)
20
ns
TA
Free Air Operating Temperature
0
70
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 4)
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.4
3.1
V
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
Output Voltage
VIL = Max, VIH = Min
0.35
0.5
V
IOL = 12 mA, VCC = Min
0.4
II
Input Current @ Max Input Voltage
VCC = Max, VI = 7V
0.1
mA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
20
µA
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
−0.4
mA
IOZH
Off-State Output Current with
VCC = Max, VO = 2.7V
20
µA
HIGH Level Output Voltage Applied
VIH = Min, VIL = Max
IOZL
Off-State Output Current with
VCC = Max, VO = 0.4V
−20
µA
LOW Level Output Voltage Applied
VIH = Min, VIL = Max
IOS
Short Circuit Output Current
VCC = Max (Note 5)
−50
−225
mA
ICC
Supply Current
VCC = Max, OC = 4.5V,
24
40
mA
Dn, Enable = GND


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