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.

34 Records
Image Part Manufacturer Description Stock Action
74AVC9112GTX Nexperia
74AVC9112GT/SOT833/XS...
5,150
In-stock
Inquiry
74AVC9112DCH Nexperia
74AVC9112DC/SOT765/VS...
4,900
In-stock
Inquiry
74AVC1T1004DPJ Nexperia
74AVC1T1004DP/SOT552/...
2,340
In-stock
Inquiry
74AVC1T1022GUX Nexperia
IC CLOCK FANOUT/B...
5,990
In-stock
Inquiry
74AVC1T1022DPJ Nexperia
IC CLOCK FANOUT/B...
1,810
In-stock
Inquiry
74AVC1T1004GU33Z Nexperia
74AVC1T1004GU33/SOT14...
5,690
In-stock
Inquiry
74HC4046AD,653 Nexperia
IC PHASE LOCK LOO...
7,380
In-stock
Inquiry
74HC4046AD,652 Nexperia
IC PHASE LOCK LOO...
2,370
In-stock
Inquiry
74HCT9046APW118 Nexperia
74HCT9046APW PHASE ...
1,160
In-stock
Inquiry
74HC4046APW,118 Nexperia
IC PHASE LOCK LOO...
3,890
In-stock
Inquiry
74HC4046APW,112 Nexperia
IC PHASE LOCK LOO...
5,860
In-stock
Inquiry
HEF4046BT,653 Nexperia
IC PHASE LOCK LOO...
4,270
In-stock
Inquiry
HEF4046BT,652 Nexperia
IC PHASE-LOCK LOO...
4,110
In-stock
Inquiry
74HC4046APW-Q100J Nexperia
IC PHASE LOCK LOO...
6,070
In-stock
Inquiry
74HCT4046AD,118 Nexperia
IC PLL W/VCO 16SOI...
7,280
In-stock
Inquiry
74HCT4046AD,112 Nexperia
IC PHASE LOCK LOO...
3,200
In-stock
Inquiry
74HCT4046ADB,118 Nexperia
IC PLL W/VCO 16SSO...
4,390
In-stock
Inquiry
74HCT4046ADB,112 Nexperia
IC PLL W/VCO 16-SSO...
4,630
In-stock
Inquiry
74HC4046ADB,118 Nexperia
IC PHASE LOCK LOO...
5,900
In-stock
Inquiry
74HC4046ADB,112 Nexperia
IC PLL W/VCO 16-SSO...
6,540
In-stock
Inquiry