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SN54LS126A PDF预览

SN54LS126A

更新时间： 2024-11-25 23:06:11
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
18页 578K
描述
QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS

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SN54LS126A 数据手册

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SN54125, SN54126, SN54LS125A, SN54LS126A,  
SN74125, SN74126, SN74LS125A, SN74LS126A  
QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS  
The SN54125, SN54126, SN74125,  
SN74126, and SN54LS126A are  
obsolete and are no longer supplied.  
SDLS044A – DECEMBER 1983 – REVISED MARCH 2002  
SN54125, SN54126, SN54LS125A,  
SN54LS126A . . . J OR W PACKAGE  
SN74125, SN74126 . . . N PACKAGE  
SN74LS125A, SN74LS126A . . . D, N, OR NS PACKAGE  
(TOP VIEW)  
Quad Bus Buffers  
3-State Outputs  
Separate Control for Each Channel  
description  
1G, 1G*  
1A  
1Y  
2G, 2G*  
2A  
V
CC  
4G, 4G*  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
These bus buffers feature three-state outputs  
that, when enabled, have the low impedance  
characteristics of a TTL output with additional  
drive capability at high logic levels to permit  
driving heavily loaded bus lines without external  
pullup resistors. When disabled, both output  
4A  
4Y  
3G, 3G*  
3A  
3Y  
2Y  
GND  
8
transistors are turned off, presenting  
a
high-impedance state to the bus so the output will  
actneitherasasignificantloadnorasadriver. The  
’125 and ’LS125A devices’ outputs are disabled  
when G is high. The ’126 and ’LS126A devices’  
outputs are disabled when G is low.  
*G on ’125 and ’LS125A devices;  
G on 126 and ’LS126A devices  
SN54LS125A, SN54LS126A . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
4A  
NC  
4Y  
NC  
1Y  
NC  
4
5
6
7
8
17  
16  
15  
2G, 2G*  
NC  
14 3G, 3G*  
9 10 11 12 13  
2A  
*G on ’125 and ’LS125A devices;  
G on 126 and ’LS126A devices  
NC – No internal connection  
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 2002, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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  
1234567...18

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