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
AT251G2DMAC-SLRTM Atmel (Microchip Technology)
MCS251 MICROCONTR...
5,410
In-stock
Inquiry
AT32UC3L064-AUR Atmel (Microchip Technology)
IC MCU 32BIT 64KB F...
7,070
In-stock
Inquiry
AT87C51RC2-RLTUM Atmel (Microchip Technology)
IC MCU 8BIT 32KB OT...
1,380
In-stock
Inquiry
AT87C51RC2-SLSUM Atmel (Microchip Technology)
IC MCU 8BIT 32KB OT...
1,640
In-stock
Inquiry
AT87C58X2-3CSUM Atmel (Microchip Technology)
IC MCU 8BIT 32KB OT...
3,050
In-stock
Inquiry
AT87C51RC2-3CSUM Atmel (Microchip Technology)
IC MCU 8BIT 32KB OT...
2,320
In-stock
Inquiry
ATMEGA169V-8AU Atmel (Microchip Technology)
IC MCU 8BIT 16KB FL...
6,940
In-stock
Inquiry
ATMEGA169-16AU Atmel (Microchip Technology)
IC MCU 8BIT 16KB FL...
3,490
In-stock
Inquiry
AT89SND2CMP3B-7FTUL Atmel (Microchip Technology)
8-BIT, FLASH, 8051 CP...
7,960
In-stock
Inquiry
AT89C51RB2-3CSUL Atmel (Microchip Technology)
IC MCU 8BIT 16KB FL...
1,150
In-stock
Inquiry
ATMEGA644PV-10PU Atmel (Microchip Technology)
IC MCU 8BIT 64KB FL...
5,070
In-stock
Inquiry
ATMEGA16U2-16AU Atmel (Microchip Technology)
IC MCU 8BIT 16KB FL...
1,540
In-stock
Inquiry
AT80C52X2CXJ-SLRUM Atmel (Microchip Technology)
IC MCU 8BIT 8KB OT...
3,590
In-stock
Inquiry
AT91SAM7L64-CU Atmel (Microchip Technology)
IC MCU 16/32BIT 64KB...
6,970
In-stock
Inquiry
AT91SAM7L64-AU Atmel (Microchip Technology)
IC MCU 16/32B 64KB FL...
5,700
In-stock
Inquiry
AT80C52X2DGB-SLRZM Atmel (Microchip Technology)
IC MCU 8BIT 8KB OT...
7,390
In-stock
Inquiry
AT80C52X2DGH-SLRZM Atmel (Microchip Technology)
IC MCU 8BIT 8KB OT...
5,890
In-stock
Inquiry
AT80C52X2DNW-3CSUM Atmel (Microchip Technology)
IC MCU 8BIT 8KB OT...
6,270
In-stock
Inquiry
AT87C52X2CGF-SLSUM Atmel (Microchip Technology)
IC MCU 8BIT 8KB OT...
5,930
In-stock
Inquiry
ATMEGA16HVB-8X3R Atmel (Microchip Technology)
IC MCU 8BIT 16KB FL...
7,270
In-stock
Inquiry