Clock/Timing

Clock/Timing

Clock Timing covers the parts that keep a system synchronized: crystal oscillators, clock generators, jitter cleaners, PLLs, buffers, dividers, and real-time clocks. Some designs only need a simple 25 MHz oscillator to drive an MCU, while others depend on a low-jitter clock tree for Ethernet, SerDes, RF, or data converter timing. These parts show up everywhere, from industrial controllers and network switches to medical devices, telecom line cards, and automotive modules. When buyers source clock timing components, the first thing they usually check is frequency stability and jitter, because a cheaper part with worse phase noise can force a redesign later. Package matters too. A lot of engineers still prefer standard SMD packages like 3225 or 5032 for oscillators, but smaller designs keep pushing toward tighter footprints and lower current draw. Supply is the other big issue. Active clock ICs from major brands can go on allocation without much warning, and older RTC or buffer part numbers sometimes drift into last-time-buy status while production is still running. That is where the trade-off usually shows up: pay more for a branded, traceable part now, or gamble on a gray-market offer and risk inconsistent date codes, poor storage, or outright counterfeit stock. For procurement teams, packaging preference is not a small detail either. Tape-and-reel is fine for production, but many repair and NPI builds still need cut tape or small quantities with proper labels and handling. If you are comparing clock timing parts, it helps to send the exact part number, required quantity, target date code, and whether alternates are acceptable. For current stock, lead time, or a quote, check availability at icxing.com.

Frequently Asked Questions

How do I know if a clock timing part is genuine when buying from the open market?

Ask for photos of the label, reel, and lot or date code before placing the order. For timing ICs and oscillators, inconsistent markings and mixed date codes are common warning signs, especially on older or allocated part numbers. Buying through a distributor that can provide traceability lowers that risk.

What specs matter most when comparing oscillators and clock generators?

Start with frequency, stability over temperature, supply voltage, output type, and jitter. For simple MCU clocks, basic stability may be enough, but Ethernet, FPGA, and RF designs often need much tighter phase noise performance. The right part depends on the system budget, not just the headline frequency.

Why do clock timing lead times vary so much between similar part numbers?

Small differences in package, temperature range, frequency option, or output format can turn a common part into a factory-order item. Standard frequencies and popular SMD packages usually move faster, while custom or legacy options may carry long lead times. If your build is urgent, ask about approved alternates early.

975 Records
Image Part Manufacturer Description Stock Action
PI6C490094LE Diodes Incorporated
CLOCK MULTIPLIER
7,500
In-stock
Inquiry
PI6C490094LEX Diodes Incorporated
CLOCK MULTIPLIER
6,370
In-stock
Inquiry
PI6C490094LIE Diodes Incorporated
CLOCK MULTIPLIER
1,370
In-stock
Inquiry
PI6C490094LIEX Diodes Incorporated
CLOCK MULTIPLIER
7,750
In-stock
Inquiry
PT7C4501WE Diodes Incorporated
FREQUENCY MULTIP...
5,630
In-stock
Inquiry
PT7C4501WEX Diodes Incorporated
FREQUENCY MULTIP...
3,920
In-stock
Inquiry
PT7C4502DE Diodes Incorporated
IC CLOCK MULTIPL...
1,700
In-stock
Inquiry
PT7C4512WE Diodes Incorporated
PLL CLOCK MULTIP...
2,740
In-stock
Inquiry
PT7C4512WEX Diodes Incorporated
PLL CLOCK MULTIP...
7,630
In-stock
Inquiry
PI6C2409-1HLE+DC Diodes Incorporated
IC ZERO DELAY BUF...
5,930
In-stock
Inquiry
PI6C49004AAE Diodes Incorporated
CLOCK GENERATOR ...
7,870
In-stock
Inquiry
PI6C49004AAEX Diodes Incorporated
CLOCK GENERATOR ...
6,540
In-stock
Inquiry
PT7C4502WE Diodes Incorporated
IC CLOCK MULTIPL...
1,120
In-stock
Inquiry
PT7C4502WEX Diodes Incorporated
IC CLOCK MULTIPL...
5,960
In-stock
Inquiry
PT7D6555JE-Z-G Diodes Incorporated
CLOCK GENERATOR ...
4,450
In-stock
Inquiry
PT7D6555JEX-Z-G Diodes Incorporated
CLOCK GENERATOR ...
3,380
In-stock
Inquiry
PT7V2727WE Diodes Incorporated
CLOCK VCXO SO-8
2,550
In-stock
Inquiry
PT7V2727WEX Diodes Incorporated
CLOCK VCXO SO-8
1,610
In-stock
Inquiry
PT7V3727WE Diodes Incorporated
CLOCK VCXO SO-8
6,400
In-stock
Inquiry
PT7V3727WEX Diodes Incorporated
CLOCK VCXO SO-8
5,160
In-stock
Inquiry