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74AHCT257PW-Q100 PDF预览

74AHCT257PW-Q100

更新时间: 2024-11-28 01:02:15
品牌 Logo 应用领域
安世 - NEXPERIA /
页数 文件大小 规格书
17页 706K
描述
Quad 2-input multiplexer; 3-state

74AHCT257PW-Q100 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP-16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.63
系列:AHCT/VHCT/VTJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:5 mm
逻辑集成电路类型:MULTIPLEXER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:-40 °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
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260传播延迟(tpd):11 ns
筛选级别:AEC-Q100座面最大高度:1.1 mm
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:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)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:30宽度:4.4 mm
Base Number Matches:1

74AHCT257PW-Q100 数据手册

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74AHC257-Q100;  
74AHCT257-Q100  
Quad 2-input multiplexer; 3-state  
Rev. 1 — 22 July 2013  
Product data sheet  
1. General description  
The 74AHC257-Q100; 74AHCT257-Q100 is a high-speed Si-gate CMOS device and is  
pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with  
JEDEC standard No. 7-A.  
The 74AHC257-Q100; 74AHCT257-Q100 has four identical 2-input multiplexers with  
3-state outputs. They select 4 bits of data from two sources and a common data select  
input (S) controls them. The data inputs from source 0 (1I0 to 4I0), are selected when  
input S is LOW. The data inputs from source 1 (1I1 to 4I1) are selected when input S is  
HIGH. Data appears at the outputs (1Y to 4Y) in true (non-inverting) form from the  
selected inputs. The 74AHC257-Q100; 74AHCT257-Q100 is the logic implementation of a  
4-pole 2-position switch. The logic levels applied to input S determine the position of the  
switch. The outputs are forced to a high-impedance OFF-state when OE is HIGH.  
The logic equations for the outputs are:  
1Y = OE (1I1 S + 1I0 S)  
2Y = OE (2I1 S + 2I0 S)  
3Y = OE (3I1 S + 3I0 S)  
4Y = OE (4I1 S + 4I0 S)  
This product has been qualified to the Automotive Electronics Council (AEC) standard  
Q100 (Grade 1) and is suitable for use in automotive applications.  
2. Features and benefits  
Automotive product qualification in accordance with AEC-Q100 (Grade 1)  
Specified from 40 C to +85 C and from 40 C to +125 C  
Balanced propagation delays  
All inputs have Schmitt-trigger actions  
Non-inverting data path  
Inputs accept voltages higher than VCC  
Input levels:  
For 74AHC257-Q100: CMOS level  
For 74AHCT257-Q100: TTL level  

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