12

LTC1345

PART NUMBER

DESCRIPTION

COMMENTS

LTC1334

Single 5V RS232/RS485 Multiprotocol Transceiver

Two RS485 Driver/Receiver or Four RS232 Driver/Receiver Pairs

LTC1343

Software-Selectable Multiprotocol Transceiver

4-Driver/4-Receiver for Data and Clock Signals

LTC1344/LTC1344A

Software-Selectable Cable Terminator

Perfect for Terminating the LTC1543 (Not Needed with LTC1546)

LTC1346

Dual Supply V.35 Transceiver

3-Driver/3-Receiver for Data and Clock Signals

LTC1387

RS232/RS485 Multiprotocol Transceiver

One RS485 Driver/Receiver or Two RS232 Driver/Receiver Pairs

LTC1543

Software-Selectable Multiprotocol Transceiver

Terminated with LTC1344A for Data and Clock Signals, Companion to

LTC1544 or LTC1545 for Control Signals

LTC1544

Software-Selectable Multiprotocol Transceiver

Companion to LTC1546 or LTC1543 for Control Signals Including LL

LTC1545

Software-Selectable Multiprotocol Transceiver

5-Driver/5-Receiver Companion to LTC1546 or LTC1543

for Control Signals Including LL, TM and RL

LTC1546

Multiprotocol Transceiver with Termination

Combines LTC1543 and LTC1344A Functions for Data and Clock Signals

© LINEAR TECHNOLOGY CORPORATION 1995

1345fa LT/TP 0400 2K REV A • PRINTED IN USA

SW Package

28-Lead Plastic Small Outline (Wide 0.300)

(LTC DWG # 05-08-1620)

S28 (WIDE) 1098

0

° – 8° TYP

NOTE 1

0.009 – 0.013

(0.229 – 0.330)

0.016 – 0.050

(0.406 – 1.270)

0.291 – 0.299**

(7.391 – 7.595)

× 45°

0.010 – 0.029

(0.254 – 0.737)

0.037 – 0.045

(0.940 – 1.143)

0.004 – 0.012

(0.102 – 0.305)

0.093 – 0.104

(2.362 – 2.642)

0.050

(1.270)

BSC

0.014 – 0.019

(0.356 – 0.482)

TYP

NOTE 1

0.697 – 0.712*

(17.70 – 18.08)

1

23

4

5

6

78

0.394 – 0.419

(10.007 – 10.643)

910

25

26

11

12

22

21

20

19

18

17

16

15

23

24

14

13

27

28

NOTE:

1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.

THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS

DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

*

**

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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