參數(shù)資料
型號： DM74LS157MX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： 2-Input Digital Multiplexer
中文描述： LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝： 0.150 INCH, MS-012, SOIC-16
文件頁數(shù)： 3/7頁
文件大?。?/td> 79K
代理商： DM74LS157MX
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.
DM74LS157 Recommended Operating Conditions
DM74LS157 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 3:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 4:
I
CC
is measured with 4.5V applied to all inputs and all outputs OPEN.
DM74LS157 Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
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
4.75
2
Nom
5
Max
5.25
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
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
V
I
V
OH
V
OL
Input Clamp Voltage
HIGH Level Output Voltage
LOW Level
V
CC
=
Min, I
I
=
18 mA
V
CC
=
Min, I
OH
=
Max, V
IL
=
Max, V
IH
=
Min
V
CC
=
Min, I
OL
=
Max, V
IL
=
Max, V
IH
=
Min
I
OL
=
4 mA, V
CC
=
Min
V
CC
=
Max
V
I
=
7V
V
CC
=
Max
V
I
=
2.7V
V
CC
=
Max
V
I
=
0.4V
V
CC
=
Max (Note 3)
V
CC
=
Max (Note 4)
1.5
V
V
2.7
3.4
0.35
0.5
V
Output Voltage
Input Current @ Max
Input Voltage
0.25
0.4
0.2
0.1
I
I
S or G
A or B
mA
I
IH
HIGH Level
Input Current
S or G
A or B
40
20
0.8
0.4
100
16
μ
A
I
IL
LOW Level
Input Current
Short Circuit Output Current
S or G
A or B
mA
I
OS
I
CC
20
mA
Supply Current
9.7
mA
From (Input)
R
L
=
2 k
Symbol
Parameter
To (Output)
C
L
=
15 pF
Min
C
L
=
50 pF
Min
Units
Max
Max
t
PLH
Propagation Delay Time
Data to Y
14
18
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Data to Y
14
23
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Strobe to Y
20
24
ns
t
PHL
Strobe to Y
21
30
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Select to Y
23
28
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Select to Y
27
32
ns
相關PDF資料
PDF描述
DM74LS157SJX 2-Input Digital Multiplexer
DM74LS158MX 2-Input Digital Multiplexer
DM74LS158 Quad 2-Line to 1-Line Data Selectors/Multiplexers(雙2選1數(shù)據(jù)選擇器)
DM74LS161A Synchronous 4-Bit Binary Counters
DM74LS161AM Synchronous 4-Bit Binary Counters
相關代理商/技術參數(shù)
參數(shù)描述
DM74LS157N 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
DM74LS157SJ 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
DM74LS157SJX 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
DM74LS158 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74LS158M 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*