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SN74CBT3257 PDF预览

SN74CBT3257

更新时间: 2024-09-15 23:06:15
品牌 Logo 应用领域
德州仪器 - TI 解复用器
页数 文件大小 规格书
12页 360K
描述
4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER

SN74CBT3257 数据手册

 浏览型号SN74CBT3257的Datasheet PDF文件第2页浏览型号SN74CBT3257的Datasheet PDF文件第3页浏览型号SN74CBT3257的Datasheet PDF文件第4页浏览型号SN74CBT3257的Datasheet PDF文件第5页浏览型号SN74CBT3257的Datasheet PDF文件第6页浏览型号SN74CBT3257的Datasheet PDF文件第7页 
ꢀꢁ ꢂꢃ ꢄꢅ ꢆꢇ ꢈꢉ ꢂ  
ꢊꢅꢋ ꢆ ꢌ ꢊꢍ ꢎꢊ ꢈ ꢎ ꢏꢆ ꢐ ꢑꢒꢆ ꢋꢓ ꢒꢏ ꢔꢏꢕꢖ ꢗꢏꢐ ꢑꢒꢆꢋ ꢓ ꢒꢏ ꢔꢏ ꢕ  
SCDS017M − MAY 1995 − REVISED JANUARY 2004  
D
5-Switch Connection Between Two Ports  
D
TTL-Compatible Input Levels  
D, DB, DBQ, OR PW PACKAGE  
(TOP VIEW)  
RGY PACKAGE  
(TOP VIEW)  
V
S
1B1  
1B2  
1A  
2B1  
2B2  
2A  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CC  
OE  
4B1  
4B2  
4A  
3B1  
3B2  
3A  
1
16  
1B1  
1B2  
1A  
2B1  
2B2  
2A  
15  
14  
13  
12  
11  
10  
2
3
4
5
6
7
OE  
4B1  
4B2  
4A  
3B1  
3B2  
GND  
8
9
description/ordering information  
The SN74CBT3257 is a 4-bit 1-of-2 high-speed TTL-compatible FET multiplexer/demultiplexer. The low  
on-state resistance of the switch allows connections to be made with minimal propagation delay.  
Output-enable (OE) and select-control (S) inputs select the appropriate B1 and B2 outputs for the A-input data.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
QFN − RGY  
Tape and reel  
SN74CBT3257RGYR  
SN74CBT3257D  
CU257  
Tube  
SOIC − D  
CBT3257  
Tape and reel  
Tape and reel  
SN74CBT3257DR  
SN74CBT3257DBR  
SN74CBT3257DBQR  
SN74CBT3257PW  
SSOP − DB  
CU257  
CU257  
−40°C to 85°C  
SSOP (QSOP) − DBQ Tape and reel  
Tube  
TSSOP − PW  
CU257  
Tape and reel  
SN74CBT3257PWR  
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design  
guidelines are available at www.ti.com/sc/package.  
FUNCTION TABLE  
INPUTS  
FUNCTION  
OE  
L
S
L
A port = B1 port  
A port = B2 port  
Disconnect  
L
H
X
H
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.  
ꢆꢤ  
Copyright 2004, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74CBT3257 替代型号

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