SN65C3243, SN75C3243

3V TO 5.5V MULTICHANNEL RS232 COMPATIBLE LINE DRIVER/RECEIVER

SLLS353G − JUNE 1999 − REVISED NOVEMBER 2004

1

POST OFFICE BOX 655303

Output (ROUT2B)

SN75C3238

1 Mbit/s

±15-kV Using Human-Body Model (HBM)

JESD 78, Class II

− Battery-Powered Systems, PDAs,

Notebooks, Laptops, Palmtop PCs, and

Hand-Held Equipment

description/ordering information

The SN65C3243 and SN75C3243 consist of three line drivers, five line receivers, and a dual charge-pump

circuit with

±15-kV ESD protection pin-to-pin (serial-port connection pins, including GND). These devices

provide the electrical interface between an asynchronous communication controller and the serial-port

connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V

supply. In addition, these devices include an always-active noninverting output (ROUT2B), which allows

applications using the ring indicator to transmit data while the devices are powered down. The devices operate

at data signaling rates up to 1 Mbit/s and an increased slew-rate range of 24 V/

µs to 150 V/µs.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

SOIC (DW)

Tube of 20

SN75C3243DW

75C3243

SOIC (DW)

Reel of 1000

SN75C3243DWR

75C3243

−0

°C to 70°C

SSOP (DB)

Reel of 2000

SN75C3243DBR

75C3243

−0 C to 70 C

TSSOP (PW)

Tube of 50

SN75C3243PW

CA3243

TSSOP (PW)

Reel of 2000

SN75C3243PWR

CA3243

SOIC (DW)

Tube of 20

SN65C3243DW

65C3243

SOIC (DW)

Reel of 1000

SN65C3243DWR

65C3243

−40

°C to 85°C

SSOP (DB)

Reel of 2000

SN65C3243DBR

65C3243

−40 C to 85 C

TSSOP (PW)

Tube of 50

SN65C3243PW

CB3243

TSSOP (PW)

Reel of 2000

SN65C3243PWR

CB3243

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

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

Copyright

 2004, Texas Instruments Incorporated

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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28

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25

24

23

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20

19

18

17

16

15

C2+

C2−

V−

RIN1

RIN2

RIN3

RIN4

RIN5

DOUT1

DOUT2

DOUT3

DIN3

DIN2

DIN1

C1+

V+

GND

C1−

FORCEON

FORCEOFF

INVALID

ROUT2B

ROUT1

ROUT2

ROUT3

ROUT4

ROUT5

DB, DW, OR PW PACKAGE

(TOP VIEW)

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.