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SN74ALS251D PDF预览

SN74ALS251D

更新时间: 2024-11-18 23:06:15
品牌 Logo 应用领域
德州仪器 - TI 解复用器逻辑集成电路光电二极管输出元件PC
页数 文件大小 规格书
6页 99K
描述
1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

SN74ALS251D 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SO-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.84Samacsys Confidence:3
Samacsys Status:ReleasedSamacsys PartID:605041
Samacsys Pin Count:16Samacsys Part Category:Integrated Circuit
Samacsys Package Category:Small Outline PackagesSamacsys Footprint Name:16-PinSOIC(D)--+
Samacsys Released Date:2017-01-12 12:59:53Is Samacsys:N
系列:ALSJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:9.9 mm
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.024 A湿度敏感等级:1
位数:8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:70 °C
最低工作温度:输出特性:3-STATE
输出极性:COMPLEMENTARY封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TUBE峰值回流温度(摄氏度):260
电源:5 V最大电源电流(ICC):14 mA
Prop。Delay @ Nom-Sup:24 ns传播延迟(tpd):24 ns
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Multiplexer/Demultiplexer最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:TTL
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
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:3.91 mmBase Number Matches:1

SN74ALS251D 数据手册

 浏览型号SN74ALS251D的Datasheet PDF文件第2页浏览型号SN74ALS251D的Datasheet PDF文件第3页浏览型号SN74ALS251D的Datasheet PDF文件第4页浏览型号SN74ALS251D的Datasheet PDF文件第5页浏览型号SN74ALS251D的Datasheet PDF文件第6页 
SN54ALS251, SN74ALS251  
1-OF-8 DATA SELECTORS/MULTIPLEXERS  
WITH 3-STATE OUTPUTS  
SDAS215A – APRIL 1982 – REVISED DECEMBER 1994  
SN54ALS251 . . . J PACKAGE  
SN74ALS251 . . . D OR N PACKAGE  
(TOP VIEW)  
3-State Version of the ALS151  
3-State Outputs Interface Directly With  
System Bus  
Perform Parallel-to-Serial Conversion  
D3  
D2  
D1  
D0  
Y
W
OE  
GND  
V
CC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Complementary Outputs Provide True and  
D4  
D5  
D6  
D7  
A
Inverted Data  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
B
C
description  
SN54ALS251 . . . FK PACKAGE  
(TOP VIEW)  
These data selectors/multiplexers contain full  
binary decoding to select one-of-eight data  
sources and feature controlled complementary  
3-state outputs.  
The 3-state outputs can interface with and drive  
data lines of bus-organized systems. With all but  
one of the common outputs disabled (at the  
high-impedance state), the low impedance of the  
signal-enabled output drives the bus line to a high  
or low logic level. Both outputs are controlled by  
the output-enable (OE) input. The outputs are  
disabled when OE is high.  
3
2
1
20 19  
18 D5  
D1  
D0  
NC  
Y
4
5
6
7
8
17  
16  
15  
14  
D6  
NC  
D7  
A
W
9 10 11 12 13  
The SN54ALS251 is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS251 is characterized for  
operation from 0°C to 70°C.  
NC – No internal connection  
FUNCTION TABLE  
INPUTS  
SELECT  
OUTPUTS  
OE  
C
X
L
B
X
L
A
X
L
Y
W
Z
H
L
L
L
L
L
L
L
L
Z
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
L
L
H
L
L
H
H
L
L
H
L
H
H
H
H
L
H
L
H
H
H
D0, D1, . . . D7 = the level of the respective D input  
Copyright 1994, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74ALS251D 替代型号

型号 品牌 替代类型 描述 数据表
SN74ALS151DR TI

完全替代

1-OF-8 DATA SELECTORS/MULTIPLEXERS
SN74ALS251N TI

完全替代

1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74ALS151D TI

完全替代

1-OF-8 DATA SELECTORS/MULTIPLEXERS

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