參數(shù)資料
型號： DM74LS157SJ
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Quad 2-Line to 1-Line Data Selectors/Multiplexers
中文描述： LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝： 5.30 MM, EIAJ TYPE2, SOP-16
文件頁數(shù)： 4/7頁
文件大?。?/td> 79K
代理商： DM74LS157SJ
www.fairchildsemi.com
4
D
DM74LS158 Recommended Operating Conditions
DM74LS158 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 5:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 6:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7:
I
CC
is measured with 4.5V applied to all inputs and all outputs OPEN.
DM74LS158 Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
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 5)
V
I
V
OH
Input Clamp Voltage
HIGH Level
Output Voltage
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 6)
V
CC
=
Max (Note 7)
1.5
V
2.7
3.4
V
V
OL
LOW Level
Output Voltage
0.35
0.5
V
0.25
0.4
I
I
Input Current @ Max
Input Voltage
HIGH Level
S or G
A or B
S or G
0.2
0.1
40
mA
I
IH
μ
A
Input Current
LOW Level
Input Current
A or B
S or G
A or B
20
0.8
0.4
100
8
I
IL
mA
I
OS
I
CC
Short Circuit Output Current
Supply Current
20
mA
mA
4.8
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
LOW-to-HIGH Level Output
Propagation Delay Time
Data to Y
12
18
ns
t
PHL
Data to Y
12
21
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Strobe to Y
17
23
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
Strobe to Y
18
28
ns
t
PLH
Select to Y
20
24
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Select to Y
24
36
ns
相關(guān)PDF資料
PDF描述
DM74LS157 Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157M Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157N Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS158N Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157MX 2-Input Digital Multiplexer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DM74LS157SJX 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2to1 Ln Dt Sl/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
DM74LS158 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74LS158M 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2to1 Ln Dt Sl/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
DM74LS158MX 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2to1 Ln Dt Sl/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
DM74LS158N 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2to1 Ln Dt Sl/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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