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MC74VHCT157AMG 参数 Datasheet PDF下载

MC74VHCT157AMG图片预览
型号: MC74VHCT157AMG
PDF下载: 下载PDF文件 查看货源
内容描述: 四路2通道多路复用器 [Quad 2−Channel Multiplexer]
分类和应用: 解复用器逻辑集成电路光电二极管
文件页数/大小: 7 页 / 102 K
品牌: ONSEMI [ ONSEMI ]
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MC74VHCT157A  
Quad 2−Channel Multiplexer  
The MC74VHCT157A is an advanced high speed CMOS quad  
2−channel multiplexer fabricated with silicon gate CMOS technology.  
It achieves high speed operation similar to equivalent Bipolar  
Schottky TTL while maintaining CMOS low power dissipation.  
It consists of four 2−input digital multiplexers with common select  
(S) and enable (E) inputs. When E is held High, selection of data is  
inhibited and all the outputs go Low.  
http://onsemi.com  
MARKING  
The select decoding determines whether the A or B inputs get routed  
to the corresponding Y outputs.  
DIAGRAMS  
The VHCT inputs are compatible with TTL levels. This device can  
be used as a level converter for interfacing 3.3 V to 5.0 V because it  
has full 5.0 V CMOS level output swings.  
The VHCT157A input structures provide protection when voltages  
between 0 V and 5.5 V are applied, regardless of the supply voltage.  
16  
1
SOIC−16  
D SUFFIX  
CASE 751B  
VHCT157AG  
AWLYWW  
1
The output structures also provide protection when V = 0 V. These  
CC  
input and output structures help prevent device destruction caused by  
supply voltage−input/output voltage mismatch, battery backup, hot  
insertion, etc.  
The inputs tolerate voltages up to 7.0 V, allowing the interface of  
5.0 V systems to 3.0 V systems.  
16  
VHCT  
157A  
ALYWG  
G
TSSOP−16  
DT SUFFIX  
CASE 948F  
1
1
Features  
High Speed: t = 4.1 ns (Typ) at V = 5.0 V  
PD  
CC  
16  
Low Power Dissipation: I = 4 mA (Max) at T = 25°C  
CC  
A
SOEIAJ−16  
M SUFFIX  
CASE 966  
74VHCT157  
ALYWG  
TTL−Compatible Inputs: V = 0.8 V; V = 2.0 V  
IL  
IH  
Power Down Protection Provided on Inputs and Outputs  
Balanced Propagation Delays  
1
1
Designed for 2.0 V to 5.5 V Operating Range  
A
WL, L  
Y
= Assembly Location  
= Wafer Lot  
Low Noise: V  
= 0.8 V (Max)  
OLP  
Pin and Function Compatible with Other Standard Logic Families  
Latchup Performance Exceeds 300 mA  
= Year  
WW, W = Work Week  
G or G  
= Pb−Free Package  
ESD Performance:  
(Note: Microdot may be in either location)  
Human Body Model > 2000 V;  
Machine Model > 200 V  
Chip Complexity: 82 FETs or 20 Equivalent Gates  
Pb−Free Packages are Available*  
FUNCTION TABLE  
Inputs  
Outputs  
E
S
Y0 − Y3  
H
L
L
X
L
H
L
A0A3  
B0B3  
A0 − A3, B0 − B3 = the levels of  
the respective Data−Word Inputs.  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 5 of this data sheet.  
*For additional information on our Pb−Free strategy and soldering details, please  
download the ON Semiconductor Soldering and Mounting Techniques  
Reference Manual, SOLDERRM/D.  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
December, 2005 − Rev. 2  
MC74VHCT157A/D  
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