Integrated Circuits (ICs)

Integrated Circuits (ICs)

Integrated circuits are the building blocks of nearly every electronic product, from power adapters and industrial controllers to medical devices and automotive systems. This category covers a wide range of sub-types, including audio special purpose ICs, clock and timing devices, data acquisition converters, embedded processors and controllers, interface transceivers, linear amplifiers, logic gates, memory chips, power management PMICs, and other specialized functions. Most designs rely on a mix of these, and sourcing them often means juggling multiple manufacturers, package styles, and lifecycle statuses at once. When buyers come to us looking for ICs, the conversation usually starts with the part number and quickly moves to date codes, packaging preferences, and whether the part is still in active production. Tape-and-reel versus tray matters more than people outside the industry might expect, especially for automated assembly lines. Lead time is another big factor. A part that shows a 26-week factory lead time might be available from franchised or independent channels in a fraction of that, but the trade-off is often price and the need for tighter quality checks. Counterfeit risk is real in this market, particularly for older or allocated parts, so traceability and incoming inspection are things experienced procurement teams ask about before placing an order. We also see a lot of requests where an engineer needs a specific grade, like automotive AEC-Q100 qualified or industrial temperature range, and the commercial-grade version simply will not work for their application. Package type, pin count, and RoHS compliance round out the usual checklist. If you are working through a BOM and want to see what we have on the shelf or what we can source, take a look at current stock on icxing.com or send us your list for a quote. We will get back to you with actual availability and pricing, not a generic auto-reply.

Frequently Asked Questions

How do I know the ICs I am buying are not counterfeit?

This is one of the most common concerns, especially for obsolete or allocated parts. Reputable distributors perform visual inspection, X-ray analysis, and sometimes decapsulation or electrical testing on high-risk lots. Ask your supplier about their quality control process and whether they can provide traceability documentation back to the original manufacturer.

What is the difference between commercial, industrial, and automotive grade ICs?

The main differences are operating temperature range and qualification standards. Commercial grade typically handles 0 to 70 degrees Celsius, industrial extends to minus 40 to 85 or higher, and automotive parts meet AEC-Q100 standards with even tighter reliability requirements. Using a commercial-grade part in an industrial or automotive design can lead to field failures, so always match the grade to your application.

The factory lead time on my part is 20 weeks. Can I get it faster?

Often yes, through franchised distributors holding stock or through independent channels that specialize in hard-to-find components. The trade-off is usually a higher unit price and the need for additional incoming inspection if the source is not franchised. Send us the part number and quantity and we can check what is actually available right now.

Image Part Manufacturer Description Stock Action
AT89LP3240-20PU Atmel (Microchip Technology)
IC MCU 8BIT 32KB FL...
4,460
In-stock
Inquiry
ATUC64L3U-Z3UR Atmel (Microchip Technology)
IC MCU 32BIT 64KB F...
5,560
In-stock
Inquiry
ATUC64L4U-ZAUR Atmel (Microchip Technology)
IC MCU 32BIT 64KB F...
7,610
In-stock
Inquiry
ATUC64L3U-Z3UT Atmel (Microchip Technology)
IC MCU 32BIT 64KB F...
6,380
In-stock
Inquiry
ATSAM4LS2CA-CFU Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
4,480
In-stock
Inquiry
ATSAM4LC2CA-CFU Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
1,060
In-stock
Inquiry
ATUC128D4-Z1UR Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
1,330
In-stock
Inquiry
ATUC128D4-AUT Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
2,290
In-stock
Inquiry
AT87C51RC2-SLSUL Atmel (Microchip Technology)
IC MCU 8BIT 32KB OT...
2,360
In-stock
Inquiry
AT89C51IC2-SLRUL Atmel (Microchip Technology)
IC MCU 8BIT 32KB FL...
5,100
In-stock
Inquiry
ATUC128L4U-D3HT Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
4,600
In-stock
Inquiry
AT32UC3B0128-Z2UR Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
5,720
In-stock
Inquiry
AT91M40800-33AU-999 Atmel (Microchip Technology)
IC MCU 16/32BIT ROM...
7,180
In-stock
Inquiry
ATSAM4C8CB-AU Atmel (Microchip Technology)
IC MCU 32BIT 512KB F...
4,100
In-stock
Inquiry
ATSAM4C16CB-AU Atmel (Microchip Technology)
IC MCU 32BIT 1MB FL...
4,990
In-stock
Inquiry
AT32UC3L0256-ZAUR Atmel (Microchip Technology)
IC MCU 32BIT 256KB F...
7,180
In-stock
Inquiry
ATUC128L3U-Z3UR Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
4,600
In-stock
Inquiry
ATMEGA406-1AAU Atmel (Microchip Technology)
IC MCU 8BIT 40KB FL...
4,550
In-stock
Inquiry
AT32UC3L0256-D3HT Atmel (Microchip Technology)
IC MCU 32BIT 256KB F...
3,730
In-stock
Inquiry
AT32UC3A4128-C1UT Atmel (Microchip Technology)
IC MCU 32BIT 128KB F...
1,590
In-stock
Inquiry