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參數(shù)資料
| 型號(hào)： | 74151 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Data Selectors/Multiplexers |
| 中文描述： | 數(shù)據(jù)選擇器/多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 182K |
| 代理商： | 74151 |
’151A Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
V
I
Input Clamp Voltage
V
CC
e
Min, I
I
e b
12 mA
b
1.5
V
V
OH
High Level Output
Voltage
V
CC
e
Min, I
OH
e
Max
V
IL
e
Max, V
IH
e
Min
2.4
V
V
OL
Low Level Output
Voltage
V
CC
e
Min, I
OL
e
Max
V
IH
e
Min, V
IL
e
Max
0.4
V
I
I
Input Current
@
Max
Input Voltage
V
CC
e
Max, V
I
e
5.5V
1
mA
I
IH
High Level Input Current
V
CC
e
Max, V
I
e
2.4V
40
m
A
I
IL
Low Level Input Current
V
CC
e
Max, V
I
e
0.4V
b
1.6
mA
I
OS
Short Circuit
Output Current
V
CC
e
Max
(Note 2)
DM54
b
20
b
55
mA
DM74
b
18
b
55
I
CC
Note 1:
All typicals are at V
CC
e
5V, T
A
e
25
§
C.
Note 2:
Not more than one output should be shorted at a time.
Supply Current
V
CC
e
Max, (Note 3)
27
48
mA
Note 3:
I
CC
is measured with the strobe and data select inputs at 4.5V, all other inputs and outputs open.
’151A Switching Characteristics
at V
CC
e
5V and T
A
e
25
§
C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
From (Input)
To (Output)
R
L
e
400
X
, C
L
e
15 pF
Units
Min
Max
t
PLH
Propagation Delay Time
Low to High Level Output
Select
38
ns
(4 Levels) to Y
t
PHL
Propagation Delay Time
High to Low Level Output
Select
30
ns
(4 Levels) to Y
t
PLH
Propagation Delay Time
Low to High Level Output
Select
26
ns
(3 Levels) to W
t
PHL
Propagation Delay Time
High to Low Level Output
Select
30
ns
(3 Levels) to W
t
PLH
Propagation Delay Time
Low to High Level Output
Strobe
to Y
33
ns
t
PHL
Propagation Delay Time
High to Low Level Output
Strobe
to Y
30
ns
t
PLH
Propagation Delay Time
Low to High Level Output
Strobe
to W
21
ns
t
PHL
Propagation Delay Time
High to Low Level Output
Strobe
to W
25
ns
t
PLH
Propagation Delay Time
Low to High Level Output
D0-D7
to Y
24
ns
t
PHL
Propagation Delay Time
High to Low Level Output
D0-D7
to Y
24
ns
t
PLH
Propagation Delay Time
Low to High Level Output
D0-D7
to W
14
ns
t
PHL
Propagation Delay Time
High to Low Level Output
D0-D7
to W
14
ns
4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74154 | 4-Line to 16-Line Decoders/Demultiplexers |
| 74155 | DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS |
| 74159 | 4-LINE TO 16-LINE DECODERS/MEMULTIPLEXERS WITH OPEN-COLLECTOR OUTPUTS |
| 74163 | SYNCHRONOUS 4-BIT COUNTERS |
| 74160 | SYNCHRONOUS 4-BIT COUNTERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 7415-1 | 制造商:Brady Corporation 功能描述: |
| 74151A | 制造商:NTE Electronics 功能描述: 制造商:Semiconductors 功能描述: |
| 74151ADC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74151AN | 制造商:Texas Instruments 功能描述: |
| 74151APC | 制造商:Freescale Semiconductor 功能描述: 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Freescale Semiconductor 功能描述:LOGIC MUX, SINGLE, 8-INPUT, STD-TTL, 16 Pin, Plastic, DIP |
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