Datasheet

SN74CBT3253
DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
SCDS018O − MAY 1995 − REVISED JANUARY 2004
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
D TTL-Compatible Input Levels
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1OE
S1
1B4
1B3
1B2
1B1
1A
GND
V
CC
2OE
S0
2B4
2B3
2B2
2B1
2A
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
2OE
S0
2B4
2B3
2B2
2B1
S1
1B4
1B3
1B2
1B1
1A
1OE
2A
V
GND
CC
description/ordering information
The SN74CBT3253 is a dual 1-of-4 high-speed TTL-compatible FET multiplexer/demultiplexer. The low
on-state resistance of the switch allows connections to be made with minimal propagation delay.
1OE
, 2OE, S0, and S1 select the appropriate B output for the A-input data.
ORDERING INFORMATION
T
A
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN − RGY Tape and reel SN74CBT3253RGYR CU253
SOIC D
Tube SN74CBT3253D
CBT3253
SOIC − D
Tape and reel SN74CBT3253DR
CBT3253
−40°C to 85°C
SSOP − DB Tape and reel SN74CBT3253DBR CU253
40 C
to
85 C
SSOP (QSOP) − DBQ Tape and reel SN74CBT3253DBQR CU253
TSSOP PW
Tube SN74CBT3253PW
CU253
TSSOP − PW
Tape and reel SN74CBT3253PWR
CU253
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS
FUNCTION
1OE 2OE
S1 S0
FUNCTION
X H X X Disconnect 1A and 2A
H X X X Disconnect 1A and 2A
L L L L 1A to 1B1 and 2A to 2B1
L L L H 1A to 1B2 and 2A to 2B2
L L H L 1A to 1B3 and 2A to 2B3
L L H H 1A to 1B4 and 2A to 2B4
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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