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FUNCTION TABLES

TRS3238

3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD (HBM) PROTECTION

SLLS817 – JULY 2007

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

Tube of 50

TRS3238CDB

SSOP – DB

TRS3238C

Reel of 2000

TRS3238CDBR

0

°C to 70°C

Tube of 50

TRS3238CPW

TSSOP – PW

RS38C

Reel of 2000

TRS3238CPWR

Tube of 50

TRS3238IDB

SSOP – DB

TRS3238I

Reel of 2000

TRS3238IDBR

–40

°C to 85°C

Tube of 50

TRS3238IPW

TSSOP – PW

TRS38I

Reel of 2000

TRS3238IPWR

(1)

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

(2)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

INPUTS

OUTPUT

DRIVER STATUS

TIME ELAPSED SINCE LAST

DOUT

DIN

FORCEON

FORCEOFF

RIN OR DIN TRANSITION

X

X

L

X

Z

Powered off

L

H

H

X

H

Normal operation with

auto-powerdown disabled

H

H

H

X

L

L

L

H

<30 s

H

Normal operation with

auto-powerdown enabled

H

L

H

<30 s

L

L

L

H

>30 s

Z

Powered off by

auto-powerdown plus feature

H

L

H

>30 s

Z

(1)

H = high level, L = low level, X = irrelevant, Z = high impedance

INPUTS

OUTPUTS

RECEIVER STATUS

TIME ELAPSED SINCE LAST

RIN1

RIN2–RIN3

FORCEOFF

ROUT1B

ROUT

RIN OR DIN TRANSITION

L

X

L

X

L

Z

Powered off while

ROUT1B is active

H

X

L

X

H

Z

L

L

H

<30 s

L

H

L

H

H

<30 s

L

L

Normal operation with

H

L

H

<30 s

H

H

auto-powerdown plus

disabled/enabled

H

H

H

>30 s

H

L

Open

Open

H

>30 s

L

H

(1)

H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = input disconnected or connected driver off

2

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