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54AC257MDA PDF预览

54AC257MDA

更新时间: 2024-11-18 13:04:43
品牌 Logo 应用领域
美国国家半导体 - NSC 复用器
页数 文件大小 规格书
8页 123K
描述
IC AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, UUC16, Multiplexer/Demultiplexer

54AC257MDA 技术参数

生命周期:Obsolete包装说明:DIE,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.63系列:AC
JESD-30 代码:X-XUUC-N16逻辑集成电路类型:MULTIPLEXER
功能数量:4输入次数:2
输出次数:1端子数量:16
输出特性:3-STATE输出极性:TRUE
封装主体材料:UNSPECIFIED封装代码:DIE
封装形状:UNSPECIFIED封装形式:UNCASED CHIP
传播延迟(tpd):14.5 ns认证状态:Not Qualified
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
表面贴装:YES技术:CMOS
端子形式:NO LEAD端子位置:UPPER
Base Number Matches:1

54AC257MDA 数据手册

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July 1998  
54AC257 54ACT257  
Quad 2-Input Multiplexer with TRI-STATE® Outputs  
General Description  
Features  
n ICC and IOZ reduced by 50%  
n Multiplexer expansion by tying outputs together  
n Noninverting TRI-STATE outputs  
n Outputs source/sink 24 mA  
The ’AC/’ACT257 is  
a quad 2-input multiplexer with  
TRI-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 (noninverted) form.  
The outputs may be switched to a high impedance state by  
placing a logic HIGH on the common Output Enable (OE) in-  
put, allowing the outputs to interface directly with  
bus-oriented systems.  
n ’ACT257 has TTL-compatible inputs  
n Standard Military Drawing (SMD)  
— ’AC257: 5962-88703  
— ’ACT257: 5962-89689  
Logic Symbols  
IEEE/IEC  
DS100286-1  
DS100286-2  
Pin Names  
Description  
S
Common Data Select Input  
TRI-STATE Output Enable Input  
Data Inputs from Source 0  
Data Inputs from Source 1  
TRI-STATE Multiplexer Outputs  
OE  
I
I
0a–I0d  
1a–I1d  
Za–Zd  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 1998 National Semiconductor Corporation  
DS100286  
www.national.com  

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