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DM74LS461 数据表(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 DM74LS461
功能描述  Octal Counter
PDF  4 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

DM74LS461 数据表(HTML) 2 Page - National Semiconductor (TI)

  DM74LS461 Datasheet HTML 1Page - National Semiconductor (TI) DM74LS461 Datasheet HTML 2Page - National Semiconductor (TI) DM74LS461 Datasheet HTML 3Page - National Semiconductor (TI) DM74LS461 Datasheet HTML 4Page - National Semiconductor (TI)  
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Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage VCC
7V
Input Voltage
55V
Off-State Output Voltage
55V
Storage Temperature
b
65 Cto a150 C
Operating Conditions
Symbol
Parameter
Military
Commercial
Units
Min
Typ
Max
Min
Typ
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
TA
Operating Free-Air Temperature
b
55
125
075
C
tW
Width of Clock
Low
40
35
ns
High
30
25
tSU
Set Up Time
60
50
ns
th
Hold Time
0
b
15
0
b
15
Case Temperature
Electrical Characteristics Over Operating Conditions
Symbol
Parameter
Test Conditions
Min
Typ
Max
Units
VIL
Low-Level Input Voltage
08
V
VIH
High-Level Input Voltage
2
V
VIC
Input Clamp Voltage
VCCeMIN
IIeb18 mA
b
15
V
IIL
Low-Level Input Current
VCCeMAX
VIe04V
b
025
mA
IIH
High-Level Input Current
VCCeMAX
VIe24V
25
m
A
II
Maximum Input Current
VCCeMAX
VIe55V
1
mA
VCCeMIN
MIL
IOLe12 mA
VOL
Low-Level Output Voltage
VILe08V
05
V
VIHe2V
COM
IOLe24 mA
VCCeMIN
MIL
IOHeb2mA
VOH
High-Level Output Voltage
VILe08V
24
V
VIHe2V
COM
IOHeb32 mA
VCCeMAX
VOe04V
b
100
m
A
IOZL
Off-State Output Current
VILe08V
IOZH
VIHe2V
VOe24V
100
m
A
IOS
Output Short-Circuit Current
VCCe50V
VCCe0V
b
30
b
130
mA
ICC
Supply Current
VCCeMAX
120
180
mA
No more than one output should be shorted at a time and duration of the short-circuit should not exceed one second
All typical values are at VCCe5V TAe25 C
Switching Characteristics Over Operating Conditions
Symbol
Parameter
Test Conditions
Military
Commercial
Units
(See Test Load)
Min
Typ
Max
Min
Typ
Max
fMAX
Maximum Clock Frequency
105
125
MHz
tPD
CBI to CBO Delay
CLe50 pF
35
60
35
50
ns
tPD
Clock to Q
R1e200 X
20
35
20
30
ns
tPD
Clock to CO
R2e390 X
55
95
55
80
ns
tPZX
Output Enable Delay
35
55
35
45
ns
tPXZ
Output Disable Delay
35
55
35
45
ns
2



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