Devices are available in industrial and automotive grade2 temperature ranges. Differential clock translation introduction considering that each available clock logic type lvpecl, hcsl, cml, and lvds operates with a different commonmode voltage and swing level than the next see table 1, it is necessary to design clock logic translation between the driver side and receiver side for any given system design. Si5330ab00200gm datasheet pdf,slg3sy3952v datasheet pdf,pi6c2405a1hwex2017 datasheet pdf. The ck00 is intended to be applicable to a wide variety of system.
Clock timing clock buffers, driversintegrated circuits ics pdf and application notes download. With 12 total outputs and dividers on each output, this device can generate 12 different frequencies up to 850mhz. If you have a related question, please click the ask a related question button in the top right corner. The zl40212 is an lvds clock fanout buffer with two identical output clock drivers capable of operating at. The 851010i is a 1to10 differential hcsl fanout buffer. Some hcsl drivers are open source and might need resistors to ground as well. Two inputs can accept signal in differential lvpecl, sstl, lvds, hstl, cml or single ended lvpecl or lvcmos format and the third input can accept a single ended signal or it can be used to build a crystal oscillator by connecting an external crystal resonator. Clocktiming clock buffers, drivers clock buffer 15 op lphcsl db1900z pcie qpi. The resistors r1 through r4 are used for 2 purposes. The zl40230 is a programmable or hardware pin controlled low additive jitter, low power 3 x 10 lvpecl hcsl lvds fanout buffer. Pci express gen12345 compliant lowpower fanout buffers in both industrial and automotive grade2 temperature grades are ideal for data center, automotive, industrial, and consumer applications our pci express clock buffers feature lowpower, pushpull output buffer technology, providing benefits of lowpower consumption, reduced external termination. The nb3n108k is designed with hcsl pci express clock distribution and fbdimm applications in mind. Clocktiming clock buffers, driversintegrated circuits ics pdf and application notes download.
Zl40230 clock and timing clock and data distribution. The zl40235 is a programmable or hardware pin controlled low additive jitter, low power 3 x 5 lvpeclhcsllvds fanout buffer. Ctsfrequency controls cypress semiconductor corp diodes incorporated linear technologyanalog devices maxim integrated microchip technology nexperia usa inc. Some of our boards using 62005, some 62002, but the clock. Si5330ab00200gm datasheet pdf,slg3sy3952v datasheet. These devices support differential lvpecl, lvds, hcsl, cml and singleended cmos outputs, and offer a maximum clock rate of 7. Clocktiming clock buffers, driversintegrated circuits ics products for sale.
Clock timing clock buffers, driversintegrated circuits ics products for sale. Hcsl is a newer differential output standard, similar to lvpecl, with a 15ma current source being derived from an open emitter or source. Two inputs can accept signal in differential lvpecl, sstl, lvds, hstl, cml or single ended lvpecl or lvcmos format and the third input can accept a single ended signal or it can be used to build a crystal oscillator by connecting an external. The nb4n111k is a differential input clock 1 to 10 hcsl fanout buffer, optimized for ultra low propagation delay variation.
Silicon labs hcsl clock buffers are lowjitter nonpll based fanout buffers with. Hcsl terminations for idt lowpower pci express clock generators and buffers idt provides a wide selection of pci express clock solutions. Differential outputs such as lvpecl, lvds, hcsl, cml, hstl, as well as. Offer 9zxl1550bklft idt from kynix semiconductor hong kong limited.
See table 2, pin characteristics, for typical values. Differential clock buffers offer user selectable outputs lvpecl, lvds, hcsl, low power hcsl with very low additive jitter. Our clock products are ideal for clocking high performance analogtodigital converters adcs and digitaltoanalog converters dacs. Clock buffers and drivers can be used in digital system designed to isolate the effects of channel degradations, e. Some buffers are available with mixed output signaling. Output driver supply voltage independent of core supply. Some of our boards using 62005, some 62002, but the clock soure is in another board usin hcsl driver. The clock buffer supports pcie gen1, gen2 and gen3. One of the device inputs includes a divider that provides divide values of 1, 2, 4, or 8. The device flexibility reduces bill of materials complexity by allowing the same product to be used across multiple projects and platforms. The zl40200 clock fan out buffer is not intended to filter clock jitter.
Silicon labs has introduced a new family of lowpower pci express pcie gen 1234 clock buffers that provide ultralow jitter clock distribution in 1. Zl40235 clock and timing clock and data distribution. With industry leading research and design tools, arrow makes finding the right part easy. It is the users responsibility to supply the proper terminations for their driver. Clocktiming clock buffers, drivers products for sale. The zl40230 is a programmable or hardware pin controlled low additive jitter, low power 3 x 10 lvpeclhcsllvds fanout buffer. By using a clock buffer, it possible to allocate margins to areas of the system that will need to be. These products can be designed into a wide variety of applications including highspeed networking, communications, industrial, medical and military systems. Analog devices offers ultralow jitter clock distribution products that fan out given signals for wireless infrastructure, instrumentation, broadband, ate, and other applications demanding subpicosecond performance. Pci express pcie clock buffers pci express gen12345 compliant lowpower fanout buffers in both industrial and automotive grade2 temperature grades are ideal for data center, automotive, industrial, and consumer applications.
Clock drivers electronic components from allied electronics. Back to top the 9int31h400 is a 4output very highperformance hcsl fanout buffer for highperformance interconnect applications. Cdclvp110vfg4 texas instruments,cdc208dwrg4 texas instruments,mc10e211fnr2g on semiconductor. Mar 14, 2018 pcie gen 4compliant clock buffers powered from single 1.
Clocktiming clock buffers, drivers products for sale pdf. The device has two differential, selectable clock data inputs. Pullup and pulldown refer to internal input resistors. Lmk00338 data sheet, product information and support. Integrated circuits ics clocktiming clock buffers, drivers are in stock at digikey. Clock buffers, fanout buffers, and clock drivers renesas. Diodes incorporated portfolio covers the simplest fanout clock buffer to highperformance buffers with either differential lvpecl, lvds, hcsl, low power hcsl or singleended lvcmos fanout and zerodelay buffers. The new low power lp hcsl and ultra low power ulp hcsl series of idt pci express clock generators, buffers and multiplexers use a current source in the driver, instead of a voltage source in some old. Product buffer type fanout input mux input type output type supply voltage v output frequency max ghz output data rate max gbps propagation delay max ps. A comparison of cml and lvds for highspeed serial links. Clocktiming clock buffers, drivers clock buffer 19 op lphcsl db1900z pcie qpi. The prices are representative and do not reflect final pricing. Our clock products are ideal for clocking high performance analogtodigital. Ac coupling or dc coupling for input hcsl clock to clkin pin.
The hcsl driver vender suggest put the 50 ohm to gnd close to the driver. Is it possible for you send me a drawing regarding the termination and bias scheme for both 62005 and 62002. The 831724i is a highperformance, differential hcsl clock data multiplexer and fanout buffer. Differential outputs such as lvpecl, lvds, hcsl, cml, hstl, as well as selectable outputs, are supported for output frequencies up to 3. The idt clock buffer clock driver portfolio includes devices with up to 27 outputs. The selected input signal is distributed to four lowskew differential hcsl outputs. The si5330c utilizes our advanced cmos technology to fanout 4 clocks from 5 to 250 mhz with guaranteed low additive jitter, low skew and low propagation delay variability.
This unique ip is used for sending source clocks to serdes for pcie, sata, sas and hmc applications. Diodes portfolio of differential clock buffers covers various output types lvpecl, lvds, hcsl, low power hcsl and different number of outputs. Clock buffers diodes incorporated provides a wide range of clock buffer ics for your fanout or redundancy use. Clock formats supported by the low jitter clock buffers and level translators include lvds, lvpecl, cml, lvcmos, sstl, hcsl and hstl. It combines an atcut crystal, an oscillator, and a lownoise pll in a 5mm by 3.
We invented the worlds first programmable ic for crystal oscillators cy5037 in 1996, the worlds first programmable clock generator cy2291 in 1995, and roboclock, the worlds first programmable skew buffer cy7b991 in 1998. Product index integrated circuits ics clocktiming clock buffers, drivers. Low jitter and high speed clock buffers in any format. Pciehcsl differential io buffer tsmc 16ffc analog bits offers a unique set of ips that is used for various serdes applications. Being unterminated drains, they require external 50 ohm. Clocktiming clock buffers, drivers integrated circuits ics electronic components search.
Our hcsl clock buffers are low jitter, nonpll based fanout buffers delivering bestinclass performance, minimal crosstalk, and superior supply noise rejection. The sm803xxx is a dual pll clock generator that achieves ultralow, 75fs rms phase jitter. Termination for applications using lphcsl or ulphcsl pcie clock generators and buffers alternate differential output terminations pci express 018 00. The si5330c features minimal crosstalk and provides superior supply noise rejection, simplifying lowjitter clock distribution in noisy environments. Our buffers portfolio also includes buffers with user selectable outputs with very low additive jitter. The jitter performance of this type of device is characterized by its additive jitter. The 831724i is a highperformance, differential hcsl clockdata multiplexer and fanout buffer. Clock fanout buffer with lvcmos reference output description the nb3m8t3910g is a 3. With additive jitter performance of 40 fs rms typical, silicon labs new si532xx pcie clock buffers provide more than 90 percent margin to stringent pcie gen 3 and gen 4 jitter. Pcie gen 4compliant clock buffers powered from single 1. The nb3n106k is designed with hcsl clock distribution and fbdimm applications in mind. The device is designed for the multiplexing and fanout of.
Clocktiming clock buffers, drivers integrated circuits. The 851010i is designed to translate any differential signal levels to differential hcsl output levels. The zl40200 is an lvpecl clock fanout buffer with two identical output clock drivers capable of operating at frequencies up to 750mhz. The accoupling capacitors c1 and c2 remove the dccontent of the output signal. It accepts a quartz crystal input or a reference clock input. Why the hcsl is being used in pcie reference clock instead. The device is designed for the multiplexing and fanout of highfrequency clock and data signals. Ck00 clock synthesizerdriver design guidelines page 6 1.
Hcsl clock buffers our hcsl clock buffers are low jitter, nonpll based fanout buffers delivering bestinclass performance, minimal crosstalk, and superior supply noise rejection. From the fpga point of view, hcsl is capable of driving the gts as long at it meets the. Offer 9zxl1950bklf idt from kynix semiconductor hong kong limited. Clock buffers are available at mouser electronics from industry leading manufacturers. Enabling logic allows individual control of each driver output, plus all outputs lowvoltage differential signaling with typical output voltage of 350 mv and a 100 load electrically compatible with lvds, pecl, lvpecl, lvttl, lvcmos, gtl, btl, ctt, sstl, or hstl outputs with external termination networks. Inputs to the zl40212 are externally terminated to allow use of precision termination components and to allow full flexibility of input termination.
Inputs can directly accept differential lvpecl, lvds, hcsl signals. Lmk00338 8output pcie gen123 clock bufferlevel translator. Additive jitter is the jitter the device would add to a hypothetical jitterfree clock as. The cdcun1208lp is offered in a 32pin qfn package, reducing the solution footprint. Differential clock translation microchip technology. The zl40212 is an lvds clock fanout buffer with two identical output clock drivers capable of operating at frequencies up to 750mhz. Introduction this document provides technical specifications for development of the ck00 class of clock components, based on requirements of the intel pentium 4 processor and other intel architecture ia platforms.
It can be used at speeds up to 350mhz and is compliant to the db400h. Explore arrow electronics wide selection of clock buffer and driver. Pin descriptions number name type description 1, 11 vdd power core supply pins. Why the hcsl is being used in pcie reference clock instead of. Contact your local microchip sales representative or distributor for volume and or discount pricing. An external reference resistor is used to set the value. Cypress has been in the timing solutions industry for more than two decades now.
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