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.
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.
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.
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.
| Image | Part | Manufacturer | Description | Stock | Action | |
|---|---|---|---|---|---|---|
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Renesas Electronics Corporation | QS5920 - CLOCK DRIV... |
1,030
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | IC TIMING CLOCK |
7,000
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | IC TIMING CLOCK |
1,760
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | IC CLK GENERATOR... |
5,720
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | PCI EXPRESS (PCIE... |
3,600
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | INTEL CK505, PCI EX... |
5,130
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | CLOCK AND TIMING... |
7,490
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | QS5813 - CLOCK DRIV... |
5,450
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | IC CLK GENERATOR... |
1,490
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | 3.3V LOW SKEW PLL C... |
2,310
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | QS5920 - CLOCK DRIV... |
1,400
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | QS5818 - CLOCK DRIV... |
7,450
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | 3.3V LOW SKEW PLL C... |
5,710
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | CLOCK FANOUT BUF... |
3,020
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | LOW SKEW CLOCK DR... |
3,150
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | CLOCK IC FANOUT B... |
4,310
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | CLOCK FANOUT BUF... |
2,400
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | MIXED SIGNAL TRA... |
4,860
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | CLOCK FANOUT BUF... |
2,150
In-stock
|
Inquiry | ||
|
Renesas Electronics Corporation | MIXED SIGNAL TRA... |
4,730
In-stock
|
Inquiry |