SN65C3221E

,, SN75C3221E

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

SSOP – DB

Reel of 2000

SN75C3221EDBR

MY221E

–0°C to 70°C

Tube of 90

SN75C3221EPW

TSSOP – PW

MY221E

Reel of 2000

SN75C3221EPWR

SSOP – DB

Reel of 2000

SN65C3221EDBR

MU221E

–40°C to 85°C

Tube of 90

SN65C3221EPW

TSSOP – PW

MU221E

Reel of 2000

SN65C3221EPWR

(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.

FUNCTION TABLES

abc

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

abc

INPUTS

OUTPUT

VALID RIN

ROUT

RIN

EN

RS-232 LEVEL

L

L

X

H

H

L

X

L

X

H

X

Z

Open

L

No

H

(1)

H = high level, L = low level, X = irrelevant, Z = high impedance (off),

Open = disconnected input or connected driver off

2

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