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.

2,067 Records
Image Part Manufacturer Description Stock Action
CY2X014LXI125T Infineon Technologies
IC OSC XTAL 125MHZ...
2,060
In-stock
Inquiry
CY2X014LXI132T Infineon Technologies
IC OSC XTAL 132.8125M...
3,830
In-stock
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CY2X014LXI153T Infineon Technologies
IC OSC XTAL 153.6MH...
4,960
In-stock
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CY2X014LXI155T Infineon Technologies
IC OSC XTAL 155.52MH...
5,310
In-stock
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CY2X014LXI156T Infineon Technologies
IC OSC XTAL 156.25MH...
3,680
In-stock
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CY2X014LXI159T Infineon Technologies
IC OSC XTAL 159.375M...
1,490
In-stock
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CY2X014LXI212T Infineon Technologies
IC OSC XTAL 212.5MH...
2,410
In-stock
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CY2X014LXI311T Infineon Technologies
IC OSC XTAL 311.04MH...
6,570
In-stock
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CY2X014LXI312T Infineon Technologies
IC OSC XTAL 312.5MH...
3,640
In-stock
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CY2X014LXI622T Infineon Technologies
IC OSC XTAL 622.08MH...
4,500
In-stock
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CY2XF23LXC001T Infineon Technologies
IC OSC XTAL PROG ...
3,560
In-stock
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CY2XF23LXI625T Infineon Technologies
IC OSC XTAL PROG ...
3,320
In-stock
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CY2XF24LXI005T Infineon Technologies
IC OSC XTAL 6CLCC
4,940
In-stock
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CY2XF24LXI625T Infineon Technologies
IC OSC XTAL PROG ...
6,730
In-stock
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CY2X013LXI200T Infineon Technologies
TSBU
3,590
In-stock
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CY2XF24LXI702T Infineon Technologies
TSBU
2,430
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CY2X0137FLXCT Infineon Technologies
IC XTAL OSC FIELD...
3,800
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CY2X0137FLXIT Infineon Technologies
IC XTAL OSC FIELD...
1,380
In-stock
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CY2X0147FLXCT Infineon Technologies
IC OSC XTAL FIELD...
1,480
In-stock
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CY2X0147FLXIT Infineon Technologies
IC XTAL OSC FIELD...
2,280
In-stock
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