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SN74LS157DR2 PDF预览

SN74LS157DR2

更新时间: 2024-09-16 15:52:15
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 光电二极管输出元件逻辑集成电路
页数 文件大小 规格书
3页 51K
描述
LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, SOIC-16

SN74LS157DR2 技术参数

生命周期:Transferred零件包装代码:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.05Is Samacsys:N
系列:LSJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:9.9 mm
负载电容(CL):15 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.008 A功能数量:4
输入次数:2输出次数:1
端子数量:16最高工作温度:70 °C
最低工作温度:输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
电源:5 V最大电源电流(ICC):16 mA
Prop。Delay @ Nom-Sup:27 ns传播延迟(tpd):14 ns
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Multiplexer/Demultiplexers最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:TTL
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

SN74LS157DR2 数据手册

 浏览型号SN74LS157DR2的Datasheet PDF文件第2页浏览型号SN74LS157DR2的Datasheet PDF文件第3页 
SN54/74LS157  
QUAD 2-INPUT MULTIPLEXER  
The LSTTL/MSI SN54/74LS157 is a high speed Quad 2-Input Multiplexer.  
Four bits of data from two sources can be selected using the common Select  
and Enable inputs. The four buffered outputs present the selected data in the  
true (non-inverted) form. The LS157 can also be used to generate any four  
of the 16 different functions of two variables. The LS157 is fabricated with the  
Schottky barrier diode process for high speed and is completely compatible  
with all Motorola TTL families.  
QUAD 2-INPUT MULTIPLEXER  
LOW POWER SCHOTTKY  
Schottky Process for High Speed  
Multifunction Capability  
Non-Inverting Outputs  
Input Clamp Diodes Limit High Speed Termination Effects  
Special Circuitry Ensures Glitch Free Multiplexing  
ESD > 3500 Volts  
J SUFFIX  
CERAMIC  
CASE 620-09  
CONNECTION DIAGRAM DIP (TOP VIEW)  
V
E
I
I
Z
I
I
Z
d
CC  
0c  
14  
1c  
13  
c
0d  
11  
1d  
10  
16  
15  
12  
9
16  
1
NOTE:  
The Flatpak version has  
the same pinouts  
(Connection Diagram) as  
the Dual In-Line Package.  
N SUFFIX  
PLASTIC  
CASE 648-08  
16  
1
2
3
4
5
6
8
7
1
S
I
I
Z
I
I
Z
b
GND  
0a  
1d  
a
0b  
1b  
PIN NAMES  
LOADING (Note a)  
HIGH  
LOW  
D SUFFIX  
SOIC  
CASE 751B-03  
S
E
Common Select Input  
1.0 U.L.  
1.0 U.L.  
0.5 U.L.  
0.5 U.L.  
10 U.L.  
0.5 U.L.  
0.5 U.L.  
0.25 U.L.  
0.25 U.L.  
5 (2.5) U.L.  
16  
Enable (Active LOW) Input  
Data Inputs from Source 0  
Data Inputs from Source 1  
1
I
–I  
–I  
0a 0d  
I
1a 1d  
Z Z  
a
Multiplexer Outputs (Note b)  
ORDERING INFORMATION  
d
NOTES:  
SN54LSXXXJ Ceramic  
SN74LSXXXN Plastic  
SN74LSXXXD SOIC  
a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.  
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)  
Temperature Ranges.  
LOGIC DIAGRAM  
I
I
I
I
I
I
I
I
E S  
0a  
1a  
0b  
1b  
0c  
1c  
0d  
1d  
LOGIC SYMBOL  
11  
2
3
5
6
14  
13  
10  
15  
1
15  
2
3
5
6 14 13 11 10  
E
S
I
I
I
I
I
I
I
I
0a 1a 0b 1b 0c 1c 0d 1d  
1
Z
Z
Z
Z
d
a
b
c
4
7
12  
9
V
= PIN 16  
CC  
V
= PIN 16  
CC  
GND = PIN 8  
GND = PIN 8  
4
7
12  
9
= PIN NUMBERS  
Z
Z
Z
Z
d
b
a
c
FAST AND LS TTL DATA  
5-1  

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