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
54AC251/QFA Rochester Electronics
54AC251 - MULTIPLEX...
2,250
In-stock
Inquiry
54F253/BFA Rochester Electronics
54F253 - MULTIPLEXE...
3,810
In-stock
Inquiry
54AC251/VFA-R Rochester Electronics
54AC251 - MULTIPLEX...
3,930
In-stock
Inquiry
74ALS29809DW Rochester Electronics
COMPARATOR AND 2 ...
2,450
In-stock
Inquiry
SN74HC298N Rochester Electronics
MULTIPLEXER, 4-FU...
3,340
In-stock
Inquiry
74ALS29809NT Rochester Electronics
COMPARATOR AND 2 ...
7,140
In-stock
Inquiry
5043/BEA Rochester Electronics
DUAL MARKED (M38510...
4,660
In-stock
Inquiry
54F257/BFA Rochester Electronics
DUAL MARKED (M38510...
1,880
In-stock
Inquiry
IH5012MDE/B Rochester Electronics
IH5012MDE/B
1,090
In-stock
Inquiry
54ACT257/QEA Rochester Electronics
54ACT257 - MULTIPLE...
4,360
In-stock
Inquiry
54ACT257/Q2A Rochester Electronics
54ACT257 - MULTIPLE...
7,570
In-stock
Inquiry
54LS158/BEA Rochester Electronics
DUAL MARKED (M38510...
6,990
In-stock
Inquiry
54F253/B2A Rochester Electronics
54F253 - MULTIPLEXE...
7,080
In-stock
Inquiry
MM74C922WM Rochester Electronics
74C922 - ENCODER, CM...
4,360
In-stock
Inquiry
4556BDM Rochester Electronics
4556B - DECODER/DRI...
7,970
In-stock
Inquiry
74F381SJ Rochester Electronics
ARITHMETIC LOGIC...
7,420
In-stock
Inquiry
74AS881ANT Rochester Electronics
ARITHMETIC LOGIC...
3,170
In-stock
Inquiry
DM54S288J Rochester Electronics
DM54S288J
3,730
In-stock
Inquiry
54AC02/BCA Rochester Electronics
DUAL MARKED (M38510...
5,970
In-stock
Inquiry
5480FM Rochester Electronics
5480 - MULTIPLIER, T...
7,150
In-stock
Inquiry