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參數(shù)資料
| 型號(hào)： | DM74ALS158 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quad 1-of-2 Line Data Selector/Multiplexer(四2選1線數(shù)據(jù)選擇器/多路復(fù)用器) |
| 中文描述： | 四1 - 2線數(shù)據(jù)選擇器/多路（四2選1線數(shù)據(jù)選擇器/多路復(fù)用器） |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 67K |
| 代理商： | DM74ALS158 |
3
www.fairchildsemi.com
D
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.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at V
CC
=
5V, T
A
=
25
°
C.
Symbol
Parameter
Switching Characteristics
over recommended operating free air temperature range.
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
7V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
Parameter
Min
4.5
2
Nom
5
Max
5.5
Units
V
V
V
mA
mA
°
C
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
0.8
0.4
8
70
0
Conditions
Min
Typ
Max
Units
V
IK
V
OH
V
OL
Input Clamp Voltage
HIGH Level Output Voltage
V
CC
=
4.5V, I
I
=
18 mA
I
OH
=
0.4 mA, V
CC
=
4.5V to 5.5V
V
CC
=
4.5V
1.2
V
V
V
CC
2
LOW Level
Output Voltage
Input Current @ Maximum
I
OL
=
4 mA
I
OL
=
8 mA
0.25
0.35
0.4
0.5
V
V
I
I
V
CC
=
5.5V, V
IH
=
7V
0.1
mA
Input Voltage
HIGH Level Input Current
LOW Level Input Current
I
IH
I
IL
I
O
I
CC
V
CC
=
5.5V, V
IH
=
2.7V
V
CC
=
5.5V, V
IL
=
0.4V
V
CC
=
5.5V
V
CC
=
5.5V
All Inputs
=
4.5V
20
0.1
112
11
10
μ
A
mA
Output Drive Current
Supply Current
V
O
=
2.25V
DM74ALS157
DM74ALS158
30
mA
mA
mA
6
5
Symbol
Parameter
From (Input)
To (Output)
Data to Y
Conditions
DM74ALS157
Min
DM74ALS158
Min
Units
Max
Max
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
R
L
=
500
3
14
3
15
ns
t
PHL
2
12
1
8
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Strobe to Y
6
20
5
18
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
4
13
5
18
ns
t
PLH
Select to Y
7
24
5
19
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
4
14
5
18
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM74ALS157M | Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear And Preset 14-SOIC -40 to 85 |
| DM74ALS157N | Quad 1-of-2 Line Data Selector/Multiplexer |
| DM74ALS157MX | 2-Input Digital Multiplexer |
| DM74ALS157SJX | 2-Input Digital Multiplexer |
| DM74ALS162BM | Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear And Preset 14-TSSOP -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74ALS158J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS158M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS158M/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS158M/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS158N | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 1-of-2 Dt Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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