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LTC2844

sn2844 2844fs

FEATURES

DESCRIPTIO

TYPICAL APPLICATIO

3.3V Software-Selectable

Multiprotocol Transceiver

DTE or DCE Multiprotocol Serial Interface with DB-25 Connector

, LTC and LT are registered trademarks of Linear Technology Corporation.

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Software-Selectable Transceiver Supports:

RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21

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Operates from Single 3.3V Supply with LTC2846

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TUV Rheinland of North America Inc. Certified NET1,

NET2 and TBR2 Compliant,

Report No.: TBR2/051501/02

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Complete DTE or DCE Port with LTC2846

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28-Lead SSOP Surface Mount Package

The LTC

ceiver. The LTC2844 and LTC2846 form the core of a

complete software-selectable DTE or DCE interface port that

supports the RS232, RS449, EIA530, EIA530-A, V.35, V.36

or X.21 protocols.

The LTC2844 operates from a 3.3V supply and supplies

provided by the LTC2846. The part is available in a 28-lead

SSOP surface mount package.

APPLICATIO S

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Data Networking

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CSU and DSU

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Data Routers

D2

D1

LTC2844

RTS

DTR

DSR

DCD

CTS

D3

R2

R1

R4

R3

LTC2846

LL

TXD

SCTE

TXC

RXC

RXD

2

14

24

11

15

12

17

9

3

1

4

19

20

623

22

5

13

8

10

18

7

16

2844 TA01

D1

DB-25 CONNECTOR

D4

D2

D3

R1

R2

R3

T

T

T

T

T