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SN74ALS28A PDF预览

SN74ALS28A

更新时间: 2024-02-17 11:07:20
品牌 Logo 应用领域
德州仪器 - TI 输入元件
页数 文件大小 规格书
3页 45K
描述
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS

SN74ALS28A 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP14,.3Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.92
JESD-30 代码:R-XDIP-T14逻辑集成电路类型:NOR GATE
端子数量:14最高工作温度:70 °C
最低工作温度:封装主体材料:CERAMIC
封装代码:DIP封装等效代码:DIP14,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified施密特触发器:NO
子类别:Gates标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:COMMERCIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

SN74ALS28A 数据手册

 浏览型号SN74ALS28A的Datasheet PDF文件第2页浏览型号SN74ALS28A的Datasheet PDF文件第3页 
SN54ALS28A, SN74ALS28A  
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS  
SDAS193 – D2661, APRIL 1982 – REVISED MAY 1986  
SN54ALS28A . . . J PACKAGE  
SN74ALS28A . . . D OR N PACKAGE  
Package Options Include Plastic Small  
Outline Packages, Ceramic Chip Carriers,  
and Standard Plastic and Ceramic 300-mil  
DIPs  
(TOP VIEW)  
1Y  
1A  
1B  
2Y  
2A  
V
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
CC  
Dependable Texas Instruments Quality and  
4Y  
4B  
4A  
3Y  
3B  
3A  
Reliability  
description  
These devices contain four independent 2-input  
NOR buffer gates. They perform the Boolean  
functions Y = A+B or Y = AB in positive logic.  
2B  
GND  
8
The SN54ALS28A is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS28A is characterized for  
operation from 0°C to 70°C.  
SN54ALS28A . . . FK PACKAGE  
(TOP VIEW)  
FUNCTION TABLE  
(each gate)  
3
2
1
20 19  
18  
4B  
NC  
4A  
NC  
3Y  
1B  
NC  
2Y  
4
5
6
7
8
17  
16  
15  
14  
INPUTS  
OUTPUT  
A
H
X
L
B
X
H
L
Y
L
NC  
2A  
L
9 10 11 12 13  
H
logic symbol  
NCNo internal connection  
2
1  
1A  
1
4
1Y  
2Y  
logic diagram (positive logic)  
3
1B  
5
2A  
1A  
1B  
1Y  
6
2B  
8
3A  
10  
3Y  
4Y  
2A  
2B  
9
3B  
2Y  
11  
4A  
13  
12  
4B  
3A  
3B  
3Y  
4Y  
This symbol is in accordance with ANSI/IEEE Std –1984  
and IEC Publication 617-12.  
Pin numbers shown are for D, J, and N packages.  
4A  
4B  
Copyright 1986, Texas Instruments Incorporated  
5BASIC  
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  

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