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DM54LS253J PDF预览

DM54LS253J

更新时间: 2024-01-25 14:59:55
品牌 Logo 应用领域
美国国家半导体 - NSC 解复用器逻辑集成电路
页数 文件大小 规格书
6页 152K
描述
TRI-STATE Data Selectors/Multiplexers

DM54LS253J 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DFP, FL16,.3Reach Compliance Code:unknown
风险等级:5.84JESD-30 代码:R-XDFP-F16
JESD-609代码:e0逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.012 A功能数量:2
输入次数:4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封装主体材料:CERAMIC
封装代码:DFP封装等效代码:FL16,.3
封装形状:RECTANGULAR封装形式:FLATPACK
电源:5 V最大电源电流(ICC):14 mA
Prop。Delay @ Nom-Sup:25 ns认证状态:Not Qualified
子类别:Multiplexer/Demultiplexers标称供电电压 (Vsup):5 V
表面贴装:YES技术:TTL
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:FLAT端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

DM54LS253J 数据手册

 浏览型号DM54LS253J的Datasheet PDF文件第2页浏览型号DM54LS253J的Datasheet PDF文件第3页浏览型号DM54LS253J的Datasheet PDF文件第4页浏览型号DM54LS253J的Datasheet PDF文件第5页浏览型号DM54LS253J的Datasheet PDF文件第6页 
June 1989  
54LS253/DM54LS253/DM74LS253  
TRI-STATE Data Selectors/Multiplexers  
É
General Description  
Each of these Schottky-clamped data selectors/multiplex-  
ers contains inverters and drivers to supply fully comple-  
mentary, on-chip, binary decoding data selection to the  
AND-OR gates. Separate output control inputs are provided  
for each of the two four-line sections.  
Features  
Y
TRI-STATE version of LS153 with same pinout  
Schottky-diode-clamped transistors  
Permit multiplexing from N-lines to one line  
Performs parallel-to-serial conversion  
Strobe/output control  
Y
Y
Y
Y
Y
Y
The TRI-STATE outputs can interface directly with data  
lines of bus-organized systems. With all but one of the com-  
mon outputs disabled (at a high impedance state), the low  
impedance of the single enabled output will drive the bus  
line to a high or low logic level.  
High fanout totem-pole outputs  
Typical propagation delay  
Data to output 12 ns  
Select to output 21 ns  
Y
Y
Typical power dissipation 35 mW  
Alternate Military/Aerospace device (54LS253) is avail-  
able. Contact a National Semiconductor Sales Office/  
Distributor for specifications.  
Connection Diagram  
Function Table  
Dual-In-Line Package  
Select  
Output  
Control  
Data Inputs  
Output  
Y
Inputs  
B
A
C0  
C1  
C2  
C3  
G
X
L
X
L
X
L
X
X
X
L
X
X
X
X
X
L
X
X
X
X
X
X
X
L
H
L
L
L
L
L
L
L
L
Z
L
L
L
H
X
X
X
X
X
X
H
L
L
H
H
L
L
H
X
X
X
X
H
L
H
H
H
H
L
H
X
X
H
L
H
H
H
H
Address Inputs A and B are common to both sections.  
e
e
e
e
Don’t Care, Z High Impedance (off).  
H
High Level, L  
Low Level, X  
TL/F/6416–1  
Order Number 54LS253DMQB, 54LS253FMQB,  
54LS253LMQB, DM54LS253J, DM54LS253W,  
DM74LS253M or DM74LS253N  
See NS Package Number E20A, J16A,  
M16A, N16E or W16A  
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
C
1995 National Semiconductor Corporation  
TL/F/6416  
RRD-B30M105/Printed in U. S. A.  

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