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MC74VHCT257ADTR2 PDF预览

MC74VHCT257ADTR2

更新时间: 2024-11-04 05:22:07
品牌 Logo 应用领域
安森美 - ONSEMI 解复用器逻辑集成电路光电二极管
页数 文件大小 规格书
8页 98K
描述
Quad 2-Channel Multiplexer with 3-State Outputs

MC74VHCT257ADTR2 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP16,.25
针数:16Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.38
系列:AHCT/VHCTJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:5 mm
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.008 A湿度敏感等级:1
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:125 °C最低工作温度:-55 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH包装方法:TAPE AND REEL
峰值回流温度(摄氏度):260电源:5 V
Prop。Delay @ Nom-Sup:9 ns传播延迟(tpd):14.5 ns
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Multiplexer/Demultiplexers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

MC74VHCT257ADTR2 数据手册

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MC74VHCT257A  
Quad 2-Channel Multiplexer  
with 3-State Outputs  
The MC74VHCT257A 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 (OE) inputs. When (OE) is held High, selection of data  
is inhibited and all the outputs go Low.  
The select decoding determines whether the A or B inputs get routed  
to the corresponding Y outputs.  
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 V CMOS level output swings.  
http://onsemi.com  
MARKING DIAGRAMS  
16  
1
9
8
VHCT257A  
AWLYWW  
SO–16  
D SUFFIX  
CASE 751B  
The VHCT257A input structures provide protection when voltages  
between 0 V and 5.5 V are applied, regardless of the supply voltage. The  
16  
9
output structures also provide protection when V = 0 V. These input and  
CC  
output structures help prevent device destruction caused by supply  
voltage—input/output voltage mismatch, battery backup, hot insertion, etc.  
The internal circuit is composed of three stages, including a buffered  
output which provides high noise immunity and stable output. The inputs  
tolerate voltages up to 7 V, allowing the interface of 5 V systems to 3 V  
systems.  
VHCT257A  
ALYW  
TSSOP–16  
DT SUFFIX  
CASE 948F  
1
8
High Speed: t = 4.1ns (Typ) at V = 5V  
PD  
CC  
9
16  
Low Power Dissipation: I = 4µA (Max) at T = 25°C  
CC  
A
VHCT257A  
ALYW  
TTL–Compatible Inputs: V = 0.8 V; V = 2.0 V  
IL  
IH  
EIAJ SO–16  
M SUFFIX  
CASE 966  
Power Down Protection Provided on Inputs and Outputs  
Balanced Propagation Delays  
8
1
Designed for 2V to 5.5V Operating Range  
A
L, WL  
Y
= Assembly Location  
= Wafer Lot  
= Year  
Low Noise: V  
= 0.8V (Max)  
OLP  
Pin and Function Compatible with Other Standard Logic Families  
Latchup Performance Exceeds 300mA  
W, WW = Work Week  
ESD Performance: HBM > 2000V; Machine Model > 200V  
ORDERING INFORMATION  
V
S
1
2
16  
15  
CC  
Device  
Package  
Shipping  
48 Units/Rail  
A0  
OE  
A3  
B3  
Y3  
A2  
B2  
Y2  
MC74VHCT257AD  
SO–16  
B0  
Y0  
3
4
14  
13  
MC74VHCT257ADR2  
SO–16  
2500 Tape & Reel  
96 Units/Rail  
MC74VHCT257ADT  
TSSOP–16  
A1  
5
6
12  
11  
MC74VHCT257ADTR2 TSSOP–16 2500 Tape & Reel  
MC74VHCT257AM EIAJ–SO–16 50 Units/Rail  
B1  
7
8
10  
Y1  
GND  
9
MC74VHCT257AMEL EIAJ–SO–16 2000 Tape & Reel  
Figure 1. Pin Assignment  
Semiconductor Components Industries, LLC, 2001  
1
Publication Order Number:  
April, 2001 – Rev. 1  
MC74VHCT257A/D  

MC74VHCT257ADTR2 替代型号

型号 品牌 替代类型 描述 数据表
MC74VHCT157ADTR2 ONSEMI

完全替代

Quad 2-Channel Multiplexer
M74VHCT157ADTR2G ONSEMI

完全替代

Quad 2−Channel Multiplexer
SN74AHCT157PW TI

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