FUNCTION TABLES

TRSF3243

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

Tube of 20

TRSF3243CDW

SOIC – DW

TRSF3243C

Reel of 1000

TRSF3243CDWR

0°C to 70°C

SSOP – DB

Reel of 2000

TRSF3243CDBR

TRSF3243C

Tube of 50

TRSF3243CPW

TSSOP – PW

RT43C

Reel of 2000

TRSF3243CPWR

Tube of 20

TRSF3243IDW

SOIC – DW

TRSF3243I

Reel of 1000

TRSF3243IDWR

–40°C to 85°C

SSOP – DB

Reel of 2000

TRSF3243IDBR

TRSF3243I

Tube of 50

TRSF3243IPW

TSSOP – PW

Reel of 2000

TRSF3243IPWR

RT43I

(1)

Package drawings, thermal data, symbolization are available at www.ti.com/sc/packaging.

(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

Powered off by auto-powerdown feature

H

L

H

No

Z

(1)

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

INPUTS

OUTPUTS

VALID RIN

RECEIVER STATUS

RIN1,

ROUT1,

RIN2

FORCEOFF

RS-232

ROUT2B

ROUT2

RIN3–RIN5

ROUT3–5

LEVEL

L

X

L

X

L

Z

Z

Powered off while

ROUT2B is active

H

X

L

X

H

Z

Z

L

L

H

YES

L

H

H

L

H

H

YES

L

L

L

Normal operation with

H

L

H

YES

H

H

H

auto-powerdown

disabled/enabled

H

H

H

YES

H

L

L

Open

Open

H

YES

L

H

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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Product Folder Link(s): TRSF3243