Skip to main content

Telecom Interface ICs

Telecom interface ICs provide line driving, signaling, and protocol handling for telephone, xDSL, ISDN, T1/E1, and SONET/SDH communication systems. Available from ADI, TI, Microchip, and MaxLinear.

Request Quote
1,586+Products
8+Manufacturers
100%Original & New
GlobalDelivery

Browse Telecom Interface ICs Products

Showing 1441–1450 of 1,586 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
DS2176Q/T&RAnalog Devices12,000
DS2180AQN+T&RAnalog Devices3,174
DS2180AQ/T&RAnalog Devices13
DS2180AQN/T&RAnalog Devices1,890
DS2176QN/T&RAnalog Devices13
DS2180AQ+Analog Devices6,961
DS2180A+Analog Devices15,331
DS2175S/T&RAnalog Devices42
DS2176NAnalog Devices8,910
DS2175SN+T&RAnalog Devices81

About Telecom Interface ICs

Telecom Interface ICs are highly specialized integrated circuits engineered to handle the unique physical-layer signaling, line driving, impedance matching, and protocol framing requirements of telecommunication transmission systems. These devices interface digital processors with legacy and high-speed telecom lines, including T1/E1/J1 carrier links, ISDN, DSL/xDSL subscriber lines, Analog POTS (Plain Old Telephone Service) subscriber line interface circuits (SLIC), and high-bandwidth SONET/SDH optical networks.

Telecom ICs must handle extremely high common-mode voltages, provide lightning and surge protection, manage complex voice-band coding (PCM/codec), and support long-distance transmission over twisted-pair copper wires. Performance parameters focus on line driver impedance matching, return loss, echo cancellation bandwidth, power supply voltage range, and safety standard compliance.

Browse and source telecom interface ICs on Octatronics from industry specialists including Analog Devices, Texas Instruments, Microchip Technology, and MaxLinear. Access datasheets, filter by signaling standard, and submit your RFQ for telecom infrastructure deployment.

Frequently Asked Questions

Octatronics can help source a wide range of Telecom Interface ICs from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.

Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.

Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.

Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.

Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.

Articles & Technology

View All →
Circuit Board Component Identification: How to Identify PCB Components by Markings, Shape, and Codes

Circuit Board Component Identification: How to Identify PCB Components by Markings, Shape, and Codes

Circuit board component identification means recognizing PCB parts by their reference designators, physical appearance, body markings, polarity marks, package type, and electrical function. The fastest way to identify a component is to start with the PCB silkscreen, match the reference letter to a component type, inspect its shape and package, read any value or top marking, then confirm the result with a datasheet, schematic, BOM, or measurement tool. This guide explains how to identify common PCB components such as resistors, capacitors, inductors, diodes, transistors, MOSFETs, ICs, connectors, fuses, relays, crystals, and test points. It also includes practical examples, common marking codes, polarity clues, mistakes to avoid, and a replacement sourcing checklist.

2026-06-28
IC Top Marking Codes Explained: How to Identify SMD Chips from Package Markings

IC Top Marking Codes Explained: How to Identify SMD Chips from Package Markings

IC top marking codes are abbreviated package markings used to identify semiconductor devices, especially small SMD chips that cannot fit a full part number. Buyers should use the marking as a starting point, then verify manufacturer logo, package, pin count, date code, lot code, datasheet, packing label, and supplier documentation. Official manufacturer marking tools and datasheets should be used before relying on third-party SMD code databases.

2026-06-24
How to Find Pin-Compatible Alternatives for Obsolete ICs

How to Find Pin-Compatible Alternatives for Obsolete ICs

Finding a pin-compatible alternative for an obsolete IC is not just about matching the package. It requires a structured review of pinout, footprint, electrical parameters, functional behavior, lifecycle status, sourcing reliability, and sample validation.

2026-06-08
Pin-to-Pin Replacement Parts: How to Check Compatibility Before Sourcing

Pin-to-Pin Replacement Parts: How to Check Compatibility Before Sourcing

When an original electronic component becomes obsolete, unavailable, or too expensive, a pin-to-pin replacement part can help avoid PCB redesign and keep production or repair projects moving. However, pin-to-pin compatibility does not automatically mean the part is a safe drop-in replacement. This guide explains how to check package, footprint, pinout, electrical ratings, thermal performance, timing behavior, firmware requirements, compliance status, and lifecycle risk before sourcing replacement parts. It also provides a practical checklist to help engineers, buyers, and maintenance teams reduce sourcing mistakes and verify compatibility before purchase.

2026-06-02
How to Choose Electronic Components for Reliable Hardware Design

How to Choose Electronic Components for Reliable Hardware Design

Learn how to choose electronic components for reliable hardware design, including specifications, lifecycle status, sourcing risks, quality checks, and BOM optimization.

2026-04-30