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54AC139L PDF预览

54AC139L

更新时间: 2024-01-21 00:07:59
品牌 Logo 应用领域
美国国家半导体 - NSC 解码器解复用器
页数 文件大小 规格书
8页 176K
描述
Dual 1-of-4 Decoder/Demultiplexer

54AC139L 技术参数

生命周期:Obsolete包装说明:DIE,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.6
系列:ACJESD-30 代码:X-XUUC-N16
功能数量:2端子数量:16
输出极性:INVERTED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):12.5 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:UPPERBase Number Matches:1

54AC139L 数据手册

 浏览型号54AC139L的Datasheet PDF文件第1页浏览型号54AC139L的Datasheet PDF文件第3页浏览型号54AC139L的Datasheet PDF文件第4页浏览型号54AC139L的Datasheet PDF文件第5页浏览型号54AC139L的Datasheet PDF文件第6页浏览型号54AC139L的Datasheet PDF文件第7页 
Connection Diagrams  
can be used as the data input for a 4-output demultiplexer  
application. Each half of the ’AC/’ACT139 generates all four  
minterms of two variables. These four minterms are useful in  
some applications, replacing multiple gate functions as  
shown in , and thereby reducing the number of packages re-  
quired in a logic network.  
Pin Assignment  
for DIP and Flatpak  
DS100269-3  
Pin Assignment  
for LCC  
DS100269-6  
FIGURE 1. Gate Functions (Each Half)  
Truth Table  
Inputs  
Outputs  
E
H
L
L
L
L
A0  
X
L
A1  
X
L
O0  
H
L
O1  
O2  
H
H
H
L
O3  
H
H
H
H
L
DS100269-4  
H
H
L
Functional Description  
The ’AC/’ACT139 is  
a high-speed dual 1-of-4 decoder/  
H
L
L
H
H
H
demultiplexer. The device has two independent decoders,  
each of which accepts two binary weighted inputs (A0–A1)  
and provides four mutually exclusive active-LOW outputs  
(O0–O3). Each decoder has an active-LOW enable (E).  
When E is HIGH all outputs are forced HIGH. The enable  
H
H
H
H
H
H
=
H
L
X
HIGH Voltage Level  
LOW Voltage Level  
Immaterial  
=
=
www.national.com  
2

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