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SN74LS221 PDF预览

SN74LS221

更新时间： 2024-11-11 23:03:15
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德州仪器 - TI 触发器输入元件
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23页 619K
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DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

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SN74LS221 数据手册

 浏览型号SN74LS221的Datasheet PDF文件第2页浏览型号SN74LS221的Datasheet PDF文件第3页浏览型号SN74LS221的Datasheet PDF文件第4页浏览型号SN74LS221的Datasheet PDF文件第5页浏览型号SN74LS221的Datasheet PDF文件第6页浏览型号SN74LS221的Datasheet PDF文件第7页 
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SDLS213B − DECEMBER 1983 − REVISED NOVEMBER 2004  
SN54221, SN54LS221 . . . J PACKAGE  
SN74221 . . . N PACKAGE  
SN74LS221 . . . D, DB, N, OR NS PACKAGE  
(TOP VIEW)  
D
D
Dual Versions of Highly Stable SN54121  
and SN74121 One Shots  
SN54221 and SN74221 Demonstrate  
Electrical and Switching Characteristics  
That Are Virtually Identical to the SN54121  
and SN74121 One Shots  
1A  
1B  
1CLR  
1Q  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
CC  
1R /C  
ext ext  
1C  
1Q  
2Q  
2CLR  
2B  
D
D
Pinout Is Identical to the SN54123,  
SN74123, SN54LS123, and SN74LS123  
ext  
2Q  
Overriding Clear Terminates Output Pulse  
2C  
ext  
MAXIMUM  
OUTPUT  
PULSE  
2R /C  
ext ext  
GND  
2A  
TYPE  
LENGTH(S)  
SN54221  
21  
28  
49  
70  
SN54LS221 . . . FK PACKAGE  
(TOP VIEW)  
SN74221  
SN54LS221  
SN74LS221  
description/ordering information  
3
2
1
20 19  
18  
1C  
1Q  
1CLR  
1Q  
4
5
6
7
8
ext  
The ’221 and ’LS221 devices are dual  
multivibrators with performance characteristics  
virtually identical to those of the ’121 devices.  
Each multivibrator features a negative-transition-  
triggered input and a positive-transition-triggered  
input, either of which can be used as an inhibit  
input.  
17  
16  
15  
14  
NC  
NC  
2Q  
2Q  
2CLR  
2C  
ext  
9 10 11 12 13  
NC − No internal connection  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
SN74221N  
SN74221N  
PDIP − N  
SOIC − D  
Tube  
SN74LS221N  
SN74LS221D  
SN74LS221DR  
SN74LS221NSR  
SN74LS221DBR  
SNJ54221J  
SN74LS221N  
Tube  
0°C to 70°C  
LS221  
Tape and reel  
Tape and reel  
Tape and reel  
SOP − NS  
74LS221  
SSOP − DB  
LS221  
SNJ54221J  
SNJ54LS221J  
CDIP − J  
Tube  
Tube  
SNJ54LS221J  
SNJ54LS221FK  
−55°C to 125°C  
LCCC − FK  
SNJ54LS221FK  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are  
available at www.ti.com/sc/package.  
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.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...23

中文翻译

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SN74LS221 替代型号

型号 品牌 替代类型 描述 数据表
SN54LS221 TI

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