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FUNCTION TABLES

Each Driver

(1)

Each Receiver

(1)

TRS3243

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

WITH

±15-kV ESD (HBM) PROTECTION

SLLS806 – JUNE 2007

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

Tube of 20

TRS3243CDW

SOIC – DW

TRS3243C

Reel of 1000

TRS3243CDWR

Tube of 50

TRS3243CDB

0

°C to 70°C

SSOP – DB

TRS3243C

Reel of 2000

TRS3243CDBR

Tube of 50

TRS3243CPW

TSSOP – PW

TRS3243

Reel of 2000

TRS3243CPWR

Tube of 50

TRS3243IDW

SOIC – DW

TRS3243I

Reel of 2000

TRS3243IDWR

Tube of 50

TRS3243IDB

–40

°C to 85°C

SSOP – DB

TRS3243I

Reel of 2000

TRS3243IDBR

Tube of 50

TRS3243IPW

TSSOP – PW

TRS3243I

Reel of 2000

TRS3243IPWR

(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

VALID RIN

DOUT

DIN

FORCEON

FORCEOFF

RS-232 LEVEL

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

Yes

H

Normal operation with

auto-powerdown enabled

H

L

H

Yes

L

L

L

H

No

Z

Power off by

auto-powerdown feature

H

L

H

No

Z

(1)

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

INPUTS

OUTPUTS

RECEIVER STATUS

RIN1,

VALID RIN

RIN2

FORCEOFF

ROUT2B

ROUT

RIN3–RIN5

RS-232 LEVEL

L

X

L

X

L

Z

Powered off while

ROUT2B is active

H

X

L

X

H

Z

L

L

H

Yes

L

H

L

H

H

Yes

L

L

Normal operation with

H

L

H

Yes

H

H

auto-powerdown

disabled/enabled

H

H

H

Yes

H

L

Open

Open

H

Yes

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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