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.

29 Records
Image Part Manufacturer Description Stock Action
ASNT8160-KMF ADSANTEC
RECONF. HALF RATE...
6,000
In-stock
Inquiry
ASNT8160C-KMF ADSANTEC
25G-32G HALF RATE C...
4,170
In-stock
Inquiry
ASNT8161-KMF ADSANTEC
18G-36G HALF RATE C...
3,340
In-stock
Inquiry
ASNT2016-PQA ADSANTEC
1:16 Broadband CDR Demult...
4,970
In-stock
Inquiry
ASNT2017-PQA ADSANTEC
1:16 Broadband CDR Demult...
2,510
In-stock
Inquiry
ASNT1016-PQA ADSANTEC
16:1 Broadband Multiplexer /...
3,640
In-stock
Inquiry
ASNT8050-PQB ADSANTEC
PROGRAMBL PLL W/ ...
5,460
In-stock
Inquiry
ASNT8052-PQB ADSANTEC
PROGRAMBL PLL W/ ...
5,760
In-stock
Inquiry
ASNT8051-PQB ADSANTEC
PROGRAMBL PLL W/ ...
4,460
In-stock
Inquiry
ASNT8151-KMC ADSANTEC
PROGRAMBL PLL W/ ...
2,810
In-stock
Inquiry
ASNT5144-KMC ADSANTEC
8-35G CML AUTO FREQ...
1,470
In-stock
Inquiry
ASNT5144-KHC ADSANTEC
35G Automatic Frequency Do...
2,820
In-stock
Inquiry
ASNT8151-KHC ADSANTEC
PROGRAMBL PLL W/ ...
1,700
In-stock
Inquiry
ASNT5106-PQC ADSANTEC
IC DELAY LINE W/ 0...
7,040
In-stock
Inquiry
ASNT5106-KMC ADSANTEC
IC Delay Line w/ 0-250ps 2...
2,680
In-stock
Inquiry
ASNT5073A ADSANTEC
17G Delay Line 0-150ps, Ad...
4,850
In-stock
Inquiry
ASNT5072 ADSANTEC
11GHz-17GHz Delay Line, ...
5,250
In-stock
Inquiry
ASNT5070 ADSANTEC
14GHz Delay Line, 0-275ps,...
3,710
In-stock
Inquiry
ASNT5075 ADSANTEC
14GHz Delay Line, 0-260ps,...
1,790
In-stock
Inquiry
ASNT5001A ADSANTEC
17GHz Delay Line, 0-265ps,...
3,820
In-stock
Inquiry