LTC1343 - Software-Selectable Multiprotocol Transceiver
Features
- Software-Selectable Transceiver Supports: RS232, RS449, EIA-530, EIA-530-A, V.35, V.36, X.21
- NET1 and NET2 Compliant
- Software-Selectable Cable Termination Using the LTC1344
- 4-Driver/4-Receiver Configuration Provides a Complete 2-Chip DTE or DCE Port
- Operates from Single 5V Supply
- Internal Echoed Clock and
Loop-Back Logic
Typical Application
Description
The LTC®1343 is a 4-driver/4-receiver multiprotocol transceiver that operates from a single 5V supply. Two LTC1343s form the core of a complete software-selectable DTE or DCE interface port that supports the RS232, RS449, EIA-530,EIA-530-A, V.35, V.36 or X.21 protocols. Cable termination may be implemented using the LTC1344 software-selectable cable termination chip or by using existing discrete designs. The LTC1343 runs from a single 5V supply using an internal charge pump that requires only five space saving surface mount capacitors. The mode pins are latched internally to allow sharing of the select lines between multiple interface ports. Software-selectable echoed clock and loop-back modes help eliminate the need for external glue logic between the serial controller and line transceiver. The part features a flow-through architecture to simplify EMI shielding and is available in the 44-lead SSOP surface mount package.Packaging
CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.
For complete and up to date package information and drawings, please refer to our packaging page
| Part Number | Package | Code | Temp | Package Drawing |
RoHS |
|---|---|---|---|---|---|
| LTC1343CGW#PBF | SSOP-44 | GW | C | 05-08-1642 (GW44) | Yes |
| LTC1343CGW#TRPBF | SSOP-44 | GW | C | 05-08-1642 (GW44) | Yes |
| LTC1343IGW#PBF | SSOP-44 | GW | I | 05-08-1642 (GW44) | Yes |
| LTC1343IGW#TRPBF | SSOP-44 | GW | I | 05-08-1642 (GW44) | Yes |
Order Info
- Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
| Part Number | Package | Temp | Price (1-99) |
Price (1k)* |
RoHS | |
|---|---|---|---|---|---|---|
| LTC1343CGW#PBF | SSOP-44 | C | $15.65 | $12.60 | Yes | |
| LTC1343CGW#TRPBF | SSOP-44 | C | $12.70 | Yes | ||
| LTC1343IGW#PBF | SSOP-44 | I | $16.60 | $13.50 | Yes | |
| LTC1343IGW#TRPBF | SSOP-44 | I | $13.60 | Yes | ||
| Buy Now • Request Samples | ||||||
Demo Boards
Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.Click here to view our complete list of demo boards
Applications
- Data Networking
- CSU and DSU
- Data Routers
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Design Tools
Linear Technology provides a variety of custom design simulation tools and device models to allow even novice designers to quickly and easily evaluate circuits using high performance switching regulators, amplifiers, data converters, filters and more. Please visit our Design Tools page to view and download:
- LTspice - A powerful SPICE simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators
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- Linduino - Arduino compatible system for developing and distributing firmware libraries and example code
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- And More!
Technical Support
- For immediate technical assistance, contact your local sales office or distributor or call 1-800-4-LINEAR (US customers only) or 408-432-1900.
- For less urgent requests, please complete our Technical Support Request Form. Please allow 2-3 business days for reply.
