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74LVC157ABQ,115 PDF预览

74LVC157ABQ,115

更新时间: 2024-11-21 08:19:39
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
17页 280K
描述
74LVC157A - Quad 2-input multiplexer QFN 16-Pin

74LVC157ABQ,115 数据手册

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74LVC157A  
Quad 2-input multiplexer  
Rev. 7 — 25 November 2011  
Product data sheet  
1. General description  
The 74LVC157A is a quad 2-input multiplexer which select four bits of data from two  
sources under the control of a common select input (S). The four outputs present the  
selected data in the true (non-inverted) form. The enable input (E) is active LOW. When  
pin E is HIGH, all of the outputs (1Y to 4Y) are forced LOW regardless of all the other  
input conditions. Moving the data from two groups of registers to four common output  
buses is a common use of the 74LVC157A. The state of the common data select input (S)  
determines the particular register from which the data comes. It can also be used as  
function generator.  
It is useful for implementing highly irregular logic by generating any 4 of the 16 different  
functions of two variables with one variable common.  
The device is the logic implementation of a 4-pole, 2-position switch, where the position of  
the switch is determined by the logic levels applied to pin S.  
Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these  
devices as translators in mixed 3.3 V and 5 V applications.  
2. Features and benefits  
5 V tolerant inputs for interfacing with 5 V logic  
Wide supply voltage range from 1.2 V to 3.6 V  
CMOS low power consumption  
Direct interface with TTL levels  
Complies with JEDEC standard:  
JESD8-7A (1.65 V to 1.95 V)  
JESD8-5A (2.3 V to 2.7 V)  
JESD8-C/JESD36 (2.7 V to 3.6 V)  
ESD protection:  
HBM JESD22-A114F exceeds 2000 V  
MM JESD22-A115-B exceeds 200 V  
CDM JESD22-C101E exceeds 1000 V  
Specified from 40 C to +85 C and 40 C to +125 C  

74LVC157ABQ,115 替代型号

型号 品牌 替代类型 描述 数据表
SN74LVC257AQPWREP TI

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