SN74CBT3253C

DUAL 1OF4 FET MULTIPLEXER/DEMULTIPLEXER

5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION

SCDS123A − JULY 2003 − REVISED OCTOBER 2003

2

POST OFFICE BOX 655303

description/ordering information (continued)

damaging current will not backflow through the device when it is powered down. The device has isolation during

power off.

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

QFN − RGY

Tape and reel

SN74CBT3253CRGYR

CU253C

SOIC − D

Tube

SN74CBT3253CD

CBT3253C

SOIC − D

Tape and reel

SN74CBT3253CDR

CBT3253C

−40

°C to 85°C

SSOP − DB

Tube

SN74CBT3253CDB

CU253C

−40

°C to 85°C

SSOP − DB

Tape and reel

SN74CBT3253CDBR

CU253C

SSOP (QSOP) − DBQ

Tape and reel

SN74CBT3253CDBQR

CBT3253C

TSSOP − PW

Tube

SN74CBT3253CPW

CU253C

TSSOP − PW

Tape and reel

SN74CBT3253CPWR

CU253C

† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines

are available at www.ti.com/sc/package.

FUNCTION TABLE

(each multiplexer/demultiplexer)

INPUTS

INPUT/OUTPUT

FUNCTION

OE

S1

S0

INPUT/OUTPUT

A

FUNCTION

L

L

L

B1

A port = B1 port

L

LH

B2

A port = B2 port

L

HL

B3

A port = B3 port

L

HH

B4

A port = B4 port

H

X

X

Z

Disconnect