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DM54S257 数据表(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 DM54S257
功能描述  TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS
Download  8 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

DM54S257 数据表(HTML) 2 Page - National Semiconductor (TI)

  DM54S257 Datasheet HTML 1Page - National Semiconductor (TI) DM54S257 Datasheet HTML 2Page - National Semiconductor (TI) DM54S257 Datasheet HTML 3Page - National Semiconductor (TI) DM54S257 Datasheet HTML 4Page - National Semiconductor (TI) DM54S257 Datasheet HTML 5Page - National Semiconductor (TI) DM54S257 Datasheet HTML 6Page - National Semiconductor (TI) DM54S257 Datasheet HTML 7Page - National Semiconductor (TI) DM54S257 Datasheet HTML 8Page - National Semiconductor (TI)  
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Absolute Maximum Ratings (Note)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
7V
Input Voltage
55V
Operating Free Air Temperature Range
DM54S
b
55 Cto a125 C
DM74S
0 Cto a70 C
Storage Temperature Range
b
65 Cto a150 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
DM54S257
DM74S257
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
VIH
High Level Input Voltage
2
2
V
VIL
Low Level Input Voltage
08
08
V
IOH
High Level Output Current
b
2
b
65
mA
IOL
Low Level Output Current
20
20
mA
TA
Free Air Operating Temperature
b
55
125
0
70
C
’S257 Electrical Characteristics
over recommended operating free air temperature (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
12
V
VOH
High Level Output
VCC e Min IOH e Max
DM54
24
34
V
Voltage
VIL e Max VIH e Min
DM74
24
32
VOL
Low Level Output
VCC e Min IOL e Max
05
V
Voltage
VIH e Min VIL e Max
II
Input Current
Max
VCC e Max VI e 55V
1mA
Input Voltage
IIH
High Level Input
VCC e Max
Select
100
m
A
Current
VI e 27V
Other
50
IIL
Low Level Input
VCC e Max
Select
b
4
mA
Current
VI e 05V
Other
b
2
IOZH
Off-State Output Current
VCC e Max VO e 24V
with High Level Output
VIH e Min VIL e Max
50
m
A
Voltage Applied
IOZL
Off-State Output Current with
VCC e Max VO e 05V
Low Level Output
VIH e Min VIL e Max
b
50
m
A
Voltage Applied
IOS
Short Circuit
VCC e Max
DM54
b
40
b
100
mA
Output Current
(Note 2)
DM74
b
40
b
100
ICCH
Supply Current with Outputs High
VCC e Max (Note 3)
44
68
mA
ICCL
Supply Current with Outputs Low
VCC e Max (Note 3)
60
93
mA
ICCZ
Supply Current with Outputs Disabled
VCC e Max (Note 3)
64
99
mA
Note 1
All typicals are at VCC e 5V TA e 25 C
Note 2
Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3
ICC is measured with all outputs open and all possible inputs grounded while achieving the stated output conditions
2


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