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 | |
|---|---|---|---|---|---|---|
|
onsemi | IC CLOCK SYNTHES... |
4,880
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK SYNTHES... |
4,310
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK SYNTHES... |
5,930
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK SYNTHES... |
1,700
In-stock
|
Inquiry | ||
|
onsemi | IC CLK GEN VCXO M... |
3,750
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK GEN PLL ... |
6,800
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK GEN PLL ... |
5,080
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK GEN PLL ... |
4,000
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK GEN PLL ... |
3,780
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK DIVIDER... |
5,900
In-stock
|
Inquiry | ||
|
onsemi | IC CLOCK GEN PLL ... |
3,150
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
2,730
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
7,240
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
6,020
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
7,380
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
3,840
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
3,060
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
2,790
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
3,760
In-stock
|
Inquiry | ||
|
onsemi | IC FREQ MOD EMI R... |
2,430
In-stock
|
Inquiry |