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DM54LS373 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM54LS373
Description  TRI-STATEE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops
Download  8 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DM54LS373 Datasheet(HTML) 3 Page - National Semiconductor (TI)

   
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Absolute Maximum Ratings (See Note)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
7V
Input Voltage
7V
Storage Temperature Range
b
65 Cto a150 C
Operating Free Air Temperature Range
DM54LS
b
55 Cto a125 C
DM74LS
0 Cto a70 C
Note
The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed 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
Recommended Operating Conditions
Symbol
Parameter
DM54LS373
DM74LS373
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
VIH
High Level Input Votage
2
2
V
VIL
Low Level Input Voltage
07
08
V
IOH
High Level Output Current
b
1
b
26
mA
IOL
Low Level Output Current
12
24
mA
tW
Pulse Width
Enable High
15
15
ns
(Note 2)
Enable Low
15
15
tSU
Data Setup Time (Notes12)
5
v
5
v
ns
tH
Data Hold Time (Notes12)
20
v
20
v
ns
TA
Free Air Operating Temperature
b
55
125
0
70
C
Note 1
The symbol (
v) indicates the falling edge of the clock pulse is used for reference
Note 2
TA e 25 C and VCC e 5V
’LS373 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output Voltage
VCC e Min
DM54
24
34
IOH e Max
V
VIL e Max
DM74
24
31
VIH e Min
VOL
Low Level Output Voltage
VCC e Min
DM54
025
04
IOL e Max
VIL e Max
DM74
035
05
V
VIH e Min
IOL e 12 mA
DM74
04
VCC e Min
II
Input Current
Max
VCC e Max VI e 7V
01
mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 27V
20
m
A
IIL
Low Level Input Current
VCC e Max VI e 04V
b
04
mA
IOZH
Off-State Output Current
VCC e Max VO e 27V
with High Level Output
VIH e Min VIL e Max
20
m
A
Voltage Applied
IOZL
Off-State Output Current
VCC e Max VO e 04V
with Low Level Output
VIH e Min VIL e Max
b
20
m
A
Voltage Applied
IOS
Short Circuit
VCC e Max
DM54
b
20
b
100
mA
Output Current
(Note 2)
DM74
b
50
b
225
ICC
Supply Current
VCC e Max OC e 45V
24
40
mA
Dn Enable e GND
3


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