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SN54HC21FK PDF预览

SN54HC21FK

更新时间: 2024-01-21 19:24:56
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
5页 80K
描述
DUAL 4-INPUT POSITIVE-AND GATES

SN54HC21FK 技术参数

生命周期:Obsolete零件包装代码:DFP
包装说明:DFP,针数:14
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.68系列:HC/UH
JESD-30 代码:R-GDFP-F14长度:9.21 mm
负载电容(CL):50 pF逻辑集成电路类型:AND GATE
功能数量:2输入次数:4
端子数量:14最高工作温度:125 °C
最低工作温度:-55 °C封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DFP封装形状:RECTANGULAR
封装形式:FLATPACK传播延迟(tpd):165 ns
认证状态:Not Qualified座面最大高度:2.03 mm
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:MILITARY
端子形式:FLAT端子节距:1.27 mm
端子位置:DUAL宽度:6.29 mm
Base Number Matches:1

SN54HC21FK 数据手册

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SN54HC21, SN74HC21  
DUAL 4-INPUT POSITIVE-AND GATES  
SCLS087C – DECEMBER 1982 – REVISED MAY 1997  
SN54HC21 . . . J OR W PACKAGE  
SN74HC21 . . . D OR N PACKAGE  
(TOP VIEW)  
Package Options Include Plastic  
Small-Outline (D) and Ceramic Flat (W)  
Packages, Ceramic Chip Carriers (FK), and  
Standard Plastic (N) and Ceramic (J)  
300-mil DIPs  
1A  
1B  
V
CC  
1
2
3
4
5
6
7
14  
13  
12  
11  
2D  
2C  
NC  
NC  
1C  
description  
These devices contain two independent 4-input  
AND gates. They perform the Boolean function  
1D  
10 2B  
9
8
1Y  
2A  
2Y  
GND  
Y
A B C D or Y  
A
B
C
D
in positive logic.  
SN54HC21 . . . FK PACKAGE  
(TOP VIEW)  
The SN54HC21 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74HC21 is characterized for  
operation from –40°C to 85°C.  
3
2
1
20 19  
18  
2C  
NC  
NC  
NC  
NC  
1C  
NC  
1D  
4
5
6
7
8
FUNCTION TABLE  
(each gate)  
17  
16  
INPUTS  
OUTPUT  
Y
15 NC  
14  
9 10 11 12 13  
A
H
L
B
C
H
X
X
L
D
H
X
X
X
L
2B  
H
X
L
H
L
L
L
L
X
X
X
X
X
NC – No internal connection  
X
logic symbol  
1
1A  
1B  
1C  
1D  
2A  
2B  
2C  
2D  
&
2
6
4
1Y  
5
9
10  
12  
13  
8
2Y  
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.  
Pin numbers shown are for the D, J, N, and W packages.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1997, 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  

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