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SN74LS257BN PDF预览

SN74LS257BN

更新时间: 2024-09-14 23:06:19
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 122K
描述
LOW POWER SCHOTTKY

SN74LS257BN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:PLASTIC, DIP-16
针数:16Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:7.54
Is Samacsys:N系列:LS
JESD-30 代码:R-PDIP-T16JESD-609代码:e0
长度:19.175 mm逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.024 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:输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
最大电源电流(ICC):19 mAProp。Delay @ Nom-Sup:21 ns
传播延迟(tpd):15 ns认证状态:Not Qualified
座面最大高度:4.44 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:NO
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

SN74LS257BN 数据手册

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The LSTTL/MSI SN74LS257B and the SN74LS258B are Quad  
2-Input Multiplexers with 3-state outputs. Four bits of data from two  
sources can be selected using a Common Data Select input. The four  
outputs present the selected data in true (non-inverted) form. The  
outputs may be switched to a high impedance state with a HIGH on the  
http://onsemi.com  
common Output Enable (E ) Input, allowing the outputs to interface  
LOW  
POWER  
SCHOTTKY  
O
directly with bus oriented systems. It is fabricated with the Schottky  
barrier diode process for high speed and is completely compatible with  
all ON Semiconductor TTL families.  
Schottky Process For High Speed  
Multiplexer Expansion By Tying Outputs Together  
Non-Inverting 3-State Outputs  
Input Clamp Diodes Limit High Speed Termination Effects  
Special Circuitry Ensures Glitch Free Multiplexing  
ESD > 3500 Volts  
16  
1
GUARANTEED OPERATING RANGES  
PLASTIC  
N SUFFIX  
CASE 648  
Symbol  
Parameter  
Supply Voltage  
Min  
4.75  
0
Typ  
5.0  
25  
Max  
5.25  
70  
Unit  
V
V
CC  
T
A
Operating Ambient  
Temperature Range  
°C  
I
Output Current – High  
Output Current – Low  
2.6  
24  
mA  
mA  
OH  
16  
I
OL  
1
SOIC  
D SUFFIX  
CASE 751B  
ORDERING INFORMATION  
Device  
Package  
16 Pin DIP  
16 Pin  
Shipping  
SN74LS257BN  
SN74LS257BD  
SN74LS258BN  
SN74LS258BD  
2000 Units/Box  
2500/Tape & Reel  
2000 Units/Box  
16 Pin DIP  
16 Pin  
2500/Tape & Reel  
Semiconductor Components Industries, LLC, 1999  
1
Publication Order Number:  
December, 1999 – Rev. 6  
SN74LS257B/D  

SN74LS257BN 替代型号

型号 品牌 替代类型 描述 数据表
SN74LS257BN TI

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DM74LS257BN FAIRCHILD

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