DS3141

Telecom Overview

The DS3141 is a single-channel DS3/E3 framer and line interface unit (LIU) manufactured by Analog Devices Inc./Maxim Integrated. It supports M23 DS3, C-Bit Parity DS3, and G.751 E3 standards within a 144-pin TECSBGA package measuring 13mm x 13mm. The device operates on a 3.3V supply with 5V tolerant I/O and functions across a commercial temperature range of 0°C to +70°C. Key integrated peripherals include an HDLC controller, FEAC controller, and BERT for each channel.

Telecom Feature Summary

• Supports framing and formatting for M23 DS3, C-Bit Parity DS3, and G.751 E3 standards
• Configurable LIU interface supporting both Binary (NRZ) and Dual-Rail (POS/NEG) modes
• Integrated HDLC, FEAC controllers, and Bit Error-Rate Tester (BERT)
• Includes optional B3ZS/HDB3 encoder and decoder capabilities

Telecom Applications

• SONET/SDH Muxes
• PDH Muxes
• Digital Cross-Connect Systems
• Access Concentrators
• ATM and Frame Relay Equipment

Telecom Procurement Notes

Verify component authenticity through authorized distributors or the manufacturer directly. Confirm the specific ordering suffix matches the required temperature grade, as standard and extended variants exist. Check for current availability status, as this component may be subject to discontinuation notices.

Telecom Selection Notes

Select the DS3141 when a single independent DS3/E3 framer is required. Choose the DS3141N variant if operation in an industrial temperature range of -40°C to +85°C is necessary. Ensure system design accommodates the 144-pin CSBGA footprint and 3.3V power requirements.

Telecom Part Context

The DS3141 belongs to the DS314x family, which includes dual, triple, and quad versions (DS3142, DS3143, DS3144). All variants share identical pinouts and functional blocks but differ only in the number of integrated framers per die. This allows for scalable designs using consistent hardware architecture.

Telecom Replacement Considerations

The DS3141N serves as the direct industrial-grade replacement for the commercial DS3141. Other family members like the DS3142 offer multiple channels on a single package with compatible interfaces.

Telecom FAQ

What are the supported framing formats?

The DS3141 supports M23 DS3, C-Bit Parity DS3, and G.751 E3 framing formats.

Does the device support loopback testing?

Yes, it provides Line, Diagnostic, and Payload loopback modes for testing purposes.

How does the LIU interface operate?

The LIU interface can be configured for either Binary (NRZ) or Dual-Rail (POS/NEG) signaling via register settings.