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HD74LS251FP-EL PDF预览

HD74LS251FP-EL

更新时间: 2024-09-23 13:08:19
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页数 文件大小 规格书
6页 180K
描述
LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, FP-16DA

HD74LS251FP-EL 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:unknown风险等级:5.7
Is Samacsys:N系列:LS
JESD-30 代码:R-PDSO-G16长度:10.06 mm
逻辑集成电路类型:MULTIPLEXER湿度敏感等级:1
功能数量:1输入次数:8
输出次数:1端子数量:16
最高工作温度:75 °C最低工作温度:-20 °C
输出特性:3-STATE输出极性:COMPLEMENTARY
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260传播延迟(tpd):28 ns
认证状态:Not Qualified座面最大高度:2.2 mm
标称供电电压 (Vsup):5 V表面贴装:YES
技术:TTL温度等级:COMMERCIAL EXTENDED
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5.5 mmBase Number Matches:1

HD74LS251FP-EL 数据手册

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HD74LS251  
1 of 8 Data Selector / Multiplexer  
(with strobe and three-state outputs)  
REJ03D0467–0300  
Rev.3.00  
Jul.15.2005  
This data selector / multiplexer contains full on-chip binary decoding to select one-of-eight data sources and features a  
strobe-controlled 3-state output.  
The strobe must be at a low logic level to enable this device. The 3-state outputs permit a number of outputs to be  
connected to a common bus.  
When the strobe input is high, both outputs are in a high-impedance state in which both the upper and lower transistors  
of each totem-pole output are off, and the output neither drives nor loads the bus significantly. When the strobe is low,  
the outputs are activated and operate as standard TTL totem-pole outputs.  
To minimize the possibility that two outputs will attempt to take a commologic levels, the output  
control circuitry is designed so that the average output disable time is soutput enable time.  
Features  
Ordering Information  
Packag
(Pre
ion  
Taping Abbreviation  
(Quantity)  
Part Name  
Package Type  
DILP-16 pin  
P
HD74LS251P  
HD74LS251FPEL  
SOP-16 pin (JEITA
FP  
EL (2,000 pcs/reel)  
Note: Please consult the sales officilability.  
Pin Arrangement  
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
VCC  
D
3
D
D
D
2
1
0
D
D
D
4
5
6
4
5
6
7
A
B
C
1
Data Inputs  
Data Inputs  
0
Y
D
7
Y
W
Outputs  
W
S
A
B
Strobe  
GND  
Data Select  
C
(Top view)  
Rev.3.00, Jul.15.2005, page 1 of 5  

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