Skip to main content
Reliable signal conversion and isolation for every communication protocol.

Interface ICs

Interface ICs bridge the communication gap between digital processors and the physical world — converting, isolating, multiplexing, and driving signals across serial buses (UART, SPI, I²C), differential pairs (RS-485, CAN, LVDS), high-speed links (USB, Ethernet, PCIe), and analog channels. Octatronics indexes interface ICs from TI, ADI, Maxim, NXP, Microchip, and STMicroelectronics.

Request Quote Browse Base Models
27,426+Products
20Subcategories
10+Manufacturers
100%Original & New
GlobalDelivery

Explore Interface ICs Subcategories

RS-232 / RS-422 / RS-485 Interface ICs

Browse RS-232 / RS-422 / RS-485 Interface ICs parts, compare product counts, and review available options for Interface ICs sourcing.

69 Parts

Digital Isolators

Browse Digital Isolators parts, compare product counts, and review available options for Interface ICs sourcing.

27 Parts

CAN Transceivers

Browse CAN Transceivers parts, compare product counts, and review available options for Interface ICs sourcing.

169 Parts

Network Controllers

Browse Network Controllers parts, compare product counts, and review available options for Interface ICs sourcing.

113 Parts

Link Layer Controllers

Browse Link Layer Controllers parts, compare product counts, and review available options for Interface ICs sourcing.

5 Parts

USB Controllers

Browse USB Controllers parts, compare product counts, and review available options for Interface ICs sourcing.

121 Parts

Special Purpose Analog Switches

Browse Special Purpose Analog Switches parts, compare product counts, and review available options for Interface ICs sourcing.

1,268 Parts

Analog Switches, Multiplexers and Demultiplexers

Browse Analog Switches, Multiplexers and Demultiplexers parts, compare product counts, and review available options for Interface ICs sourcing.

6,480 Parts

Controllers

Browse Controllers parts, compare product counts, and review available options for Interface ICs sourcing.

1,412 Parts

Drivers, Receivers and Transceivers

Browse Drivers, Receivers and Transceivers parts, compare product counts, and review available options for Interface ICs sourcing.

10,205 Parts

Encoders, Decoders and Converters

Browse Encoders, Decoders and Converters parts, compare product counts, and review available options for Interface ICs sourcing.

322 Parts

Active Filters

Browse Active Filters parts, compare product counts, and review available options for Interface ICs sourcing.

640 Parts

I/O Expanders

Browse I/O Expanders parts, compare product counts, and review available options for Interface ICs sourcing.

532 Parts

Sensor and Detector Interfaces

Browse Sensor and Detector Interfaces parts, compare product counts, and review available options for Interface ICs sourcing.

705 Parts

Capacitive Touch Sensor Interfaces

Browse Capacitive Touch Sensor Interfaces parts, compare product counts, and review available options for Interface ICs sourcing.

221 Parts

Serializers and Deserializers

Browse Serializers and Deserializers parts, compare product counts, and review available options for Interface ICs sourcing.

732 Parts

Signal Buffers, Repeaters and Splitters

Browse Signal Buffers, Repeaters and Splitters parts, compare product counts, and review available options for Interface ICs sourcing.

976 Parts

Special Purpose Interface ICs

Browse Special Purpose Interface ICs parts, compare product counts, and review available options for Interface ICs sourcing.

1,440 Parts

Telecom Interface ICs

Browse Telecom Interface ICs parts, compare product counts, and review available options for Interface ICs sourcing.

1,586 Parts

UARTs

Browse UARTs parts, compare product counts, and review available options for Interface ICs sourcing.

403 Parts

Browse Interface ICs Products

Showing 81–90 of 27,426 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
ICL3221ECVZRenesasIC TRANSCEIVER FULL 1/1 16TSSOP8,020
HIN213EIAZ-TRenesas230Kbps transceiver 4/5 SSOP-28 RS232 ICs9,027
LAN8814-V/ZMXC1Microchip TechnologyQuad 10/100/1000 Ethernet PHY48,600
KSZ9131MNXI-TRMicrochip TechnologyIC TXRX FULL/HALF 8/8 64QFN8,400
KSZ9131RNXIMicrochip TechnologyIC TXRX FULL/HALF 4/4 48QFN43,906
KSZ9131RNXCMicrochip TechnologyIC TXRX FULL/HALF 4/4 48QFN46,056
KSZ8051MNLU-VAOMicrochip TechnologyMicrochip Technology8,820
ATA6571-GCQW1-VAOMicrochip TechnologyCAN TRX W WD, WAKE-UP PIN & PN50,364
ATA6570-GNQW1Microchip TechnologyIC TRANSCEIVER HALF 1/1 14SOIC48,000
TLE9251VLEXUMA1Infineon TechnologiesTRANSCEIVER42,974

How to Choose Interface ICs

A practical selection framework for Interface ICs covering specifications, packaging, lifecycle, and sourcing on Octatronics.

  1. Define electrical and environmental requirements

    Start with the required function and operating conditions for Interface ICs, then lock in critical parameters such as function, supply voltage, interface, package, and temperature grade. Match these against datasheet limits, not catalog summaries alone.

  2. Validate package and land pattern compatibility

    Confirm the Interface ICs package matches your PCB footprint, pick-and-place constraints, and moisture sensitivity handling. Verify reel/tape or tube packaging for production.

  3. Check lifecycle, compliance, and alternates

    Review lifecycle status (Active, NRND, EOL), RoHS, and approved alternate sources for Interface ICs before committing to high-volume builds. Use Octatronics cross-reference data when a drop-in replacement is needed.

  4. Compare manufacturers and request pricing

    Filter Interface ICs by manufacturers such as onsemi and Molex, compare key specs side by side, then submit an RFQ with quantity, target delivery, and traceability requirements.

About Interface ICs

Frequently Asked Questions

Octatronics can help source a wide range of 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