UARTs
UART (Universal Asynchronous Receiver/Transmitter) ICs provide serial communication interfaces for RS-232, RS-485, and TTL-level asynchronous data transfer. Available in single, dual, quad, and octal channel configurations with FIFO buffers from TI, NXP, MaxLinear (Exar), and Microchip.
Product Series & Base Models
Navigate by model series to compare ordering variants and technical specifications within the UARTs family.
Browse UARTs Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| SC28L92A1BS,557 | NXP Semiconductors | — | 1,275 | |
| SC28L92A1A,518 | NXP Semiconductors | — | 2,700 | |
| SC28L91A1A,529 | NXP Semiconductors | — | 7,674 | |
| SC28L92A1B,528 | NXP Semiconductors | — | 2,045 | |
| SC28L92A1BS,551 | NXP Semiconductors | — | 1,484 | |
| SC28L92A1A,529 | NXP Semiconductors | — | 2,220 | |
| SC28L91A1A,512 | NXP Semiconductors | — | 4,440 | |
| SC28L92A1BS,528 | NXP Semiconductors | — | 2,772 | |
| SC28L91A1A,518 | NXP Semiconductors | — | 5,256 | |
| SC28L202A1DGG/G,11 | NXP Semiconductors | — | 80 |
Top UARTs Manufacturers
Renesas
Renesas UARTs products are available for part-number review, stock checks, and RFQ support.
74,605 productsLattice Semiconductor
Lattice Semiconductor UARTs products are available for part-number review, stock checks, and RFQ support.
113 productsMaxLinear
MaxLinear UARTs products are available for part-number review, stock checks, and RFQ support.
40 products
NXP Semiconductors
NXP Semiconductors UARTs products are available for part-number review, stock checks, and RFQ support.
20,288 products
Texas Instruments
Texas Instruments UARTs products are available for part-number review, stock checks, and RFQ support.
84,045 products
Diodes Incorporated
Diodes Incorporated UARTs products are available for part-number review, stock checks, and RFQ support.
16,703 products
Analog Devices
Analog Devices UARTs products are available for part-number review, stock checks, and RFQ support.
82,970 productsAbout UARTs
UART (Universal Asynchronous Receiver-Transmitter) ICs are dedicated serial communication interface devices designed to translate data between parallel buses on microprocessors or serial buses like SPI/I2C, and asynchronous serial ports. UARTs are the fundamental hardware engines behind standard RS-232, RS-422, and RS-485 serial ports, making them critical for linking processors with legacy modems, GPS receivers, cellular modules, industrial machinery, and debug consoles.
Modern UART ICs often integrate large FIFO (First-In, First-Out) buffers (ranging from 16 to 256 bytes or more) to prevent receiver overrun errors under heavy host CPU loading, along with automatic hardware flow control (RTS/CTS), RS-485 direction control outputs, and high-baud-rate generators (exceeding 10 Mbps). Selection depends on the channel count (single, dual, quad, or octal UARTs), host interface type, package, and operating voltage range.
Octatronics indexes a complete catalog of UART ICs from premier manufacturers including Renesas, NXP Semiconductors, Texas Instruments, and MaxLinear (formerly Exar). Filter by FIFO size, port count, interface, and submit bulk RFQs online.
Frequently Asked Questions
Octatronics can help source a wide range of UARTs 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.
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