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SN74CBT3257DRE4 데이터시트(PDF) 1 Page - Texas Instruments

부품명 SN74CBT3257DRE4
상세설명  4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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SN74CBT3257
4BIT 1OF2 FET MULTIPLEXER/DEMULTIPLEXER
SCDS017M − MAY 1995 − REVISED JANUARY 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 5-Ω Switch Connection Between Two Ports
D TTL-Compatible Input Levels
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
2B1
2B2
2A
GND
VCC
OE
4B1
4B2
4A
3B1
3B2
3A
D, DB, DBQ, OR PW PACKAGE
(TOP VIEW)
RGY PACKAGE
(TOP VIEW)
116
89
2
3
4
5
6
7
15
14
13
12
11
10
OE
4B1
4B2
4A
3B1
3B2
1B1
1B2
1A
2B1
2B2
2A
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
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN − RGY
Tape and reel
SN74CBT3257RGYR
CU257
SOIC − D
Tube
SN74CBT3257D
CBT3257
SOIC − D
Tape and reel
SN74CBT3257DR
CBT3257
−40
°C to 85°C
SSOP − DB
Tape and reel
SN74CBT3257DBR
CU257
−40 C to 85 C
SSOP (QSOP) − DBQ
Tape and reel
SN74CBT3257DBQR
CU257
TSSOP − PW
Tube
SN74CBT3257PW
CU257
TSSOP − PW
Tape and reel
SN74CBT3257PWR
CU257
† 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
S
FUNCTION
L
L
A port = B1 port
L
H
A port = B2 port
H
X
Disconnect
Copyright
 2004, 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.
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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