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.

classification:
Image Part Manufacturer Description Stock Action
QS29FCT520BTSO Quality Semiconductor
PIPELINE REGISTE...
5,730
In-stock
Inquiry
QS29FCT520BTP Quality Semiconductor
PIPELINE REGISTE...
2,590
In-stock
Inquiry
QS29FCT2520CTSO Quality Semiconductor
PIPELINE REGISTE...
7,100
In-stock
Inquiry
QS29FCT2521CTSO Quality Semiconductor
PIPELINE REGISTE...
3,620
In-stock
Inquiry
QS74FCT299CTP Quality Semiconductor
PARALLEL IN PARA...
2,840
In-stock
Inquiry
QS29FCT521BTSO Quality Semiconductor
QUALITY SEMI PLD
5,500
In-stock
Inquiry
QS29FCT521CTQ Quality Semiconductor
PIPELINE REGISTE...
5,200
In-stock
Inquiry
QS29FCT520ATZ Quality Semiconductor
PIPELINE REGISTE...
5,270
In-stock
Inquiry
QS29FCT520BTZ Quality Semiconductor
PIPELINE REGISTE...
1,580
In-stock
Inquiry
QS29FCT2520CTQ Quality Semiconductor
QUALITY SEMI PLD
2,920
In-stock
Inquiry
QS54FCT273ATQ Quality Semiconductor
QUALITY SEMI FPG...
6,200
In-stock
Inquiry
QS29FCT520ATP Quality Semiconductor
QUALITY SEMI PLD
7,260
In-stock
Inquiry
QS74FCT158ATSOX Quality Semiconductor
MULTIPLEXER, 4-FU...
5,920
In-stock
Inquiry
QS74FCT151TSI Quality Semiconductor
HIGH SPEED CMOS 8...
3,670
In-stock
Inquiry
QS74FCT139TQ Quality Semiconductor
IC DECODER 2 X 4:2
7,360
In-stock
Inquiry
QS74FCT158ATS1 Quality Semiconductor
IC MULTIPLEXER 2 ...
1,150
In-stock
Inquiry
QS74FCT2257CTS0 Quality Semiconductor
MULTIPLEXER, QUA...
7,300
In-stock
Inquiry
QS316384Q1 Quality Semiconductor
IC BUS SWITCH 1 X ...
3,260
In-stock
Inquiry
QS74FCT157CTP Quality Semiconductor
MUX, FCT SERIES
7,420
In-stock
Inquiry
QS74FCT251ATP Quality Semiconductor
MUX, FCT SERIES
4,190
In-stock
Inquiry