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SN74CBT3253 Datasheet Preview

SN74CBT3253 Datasheet

DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER

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D TTL-Compatible Input Levels
D, DB, DBQ, OR PW PACKAGE
(TOP VIEW)
1OE 1
S1 2
1B4 3
1B3 4
1B2 5
1B1 6
1A 7
GND 8
16 VCC
15 2OE
14 S0
13 2B4
12 2B3
11 2B2
10 2B1
9 2A
SN74CBT3253
DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
SCDS018O − MAY 1995 − REVISED JANUARY 2004
RGY PACKAGE
(TOP VIEW)
1
S1 2
1B4 3
1B3 4
1B2 5
1B1 6
1A 7
8
16
15 2OE
14 S0
13 2B4
12 2B3
11 2B2
10 2B1
9
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
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN − RGY
Tape and reel SN74CBT3253RGYR CU253
SOIC − D
Tube
Tape and reel
SN74CBT3253D
SN74CBT3253DR
CBT3253
−40°C to 85°C SSOP − DB
Tape and reel
SSOP (QSOP) − DBQ Tape and reel
SN74CBT3253DBR CU253
SN74CBT3253DBQR CU253
TSSOP − PW
Tube
Tape and reel
SN74CBT3253PW
SN74CBT3253PWR
CU253
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
1OE
X
H
L
L
L
L
FUNCTION TABLE
INPUTS
2OE S1 S0
FUNCTION
H
X
X
Disconnect 1A and 2A
X
X
X
Disconnect 1A and 2A
L
L
L
1A to 1B1 and 2A to 2B1
L
L
H
1A to 1B2 and 2A to 2B2
L
H
L
1A to 1B3 and 2A to 2B3
L
H
H
1A to 1B4 and 2A to 2B4
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.
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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 2004, Texas Instruments Incorporated
1




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SN74CBT3253 Datasheet Preview

SN74CBT3253 Datasheet

DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER

No Preview Available !

SN74CBT3253
DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
SCDS018O − MAY 1995 − REVISED JANUARY 2004
logic diagram (positive logic)
7
1A
9
2A
6
1B1
5
1B2
4
1B3
3
1B4
10
2B1
11
2B2
12
2B3
13
2B4
14
S0
2
S1
1
1OE
15
2OE
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Continuous channel current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Input clamp current, IK (VI/O < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA
Package thermal impedance, θJA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73°C/W
(see Note 2): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82°C/W
(see Note 2): DBQ package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90°C/W
(see Note 2): PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108°C/W
(see Note 3): RGY package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
3. The package thermal impedance is calculated in accordance with JESD 51-5.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN74CBT3253
Description DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
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