特性
- 2 differential outputs LVPECL, LVDS, HCSL - or 4 LVCMOS outputs
- 1 additional LVCMOS output
- In-system programmable with 2 independent output frequencies
- Up to 350MHz input/output frequencies
- Stores 4 different configurations in OTP non-volatile memory
- < 100mW core power (at 3.3V)
- < 0.7ps RMS phase jitter (typ.)
- Meets PCIe® Gen 1/2/3, USB 3.0, 1/10 GbE clock requirements
- 1.8V/2.5V/3.3V core and output voltages
- 3mm x 3mm 20-Ld VFQFPN
- -40 °C to +85 °C operating temperature range
- Supported by the Timing Commander™ software tool
描述
The 5P49V5943 is a programmable clock generator intended for high-performance consumer, networking, industrial, computing, and data communications applications. Configurations may be stored in on-chip One-Time Programmable (OTP) memory or changed using the I2C interface. This is Renesas' fifth generation of programmable clock technology (VersaClock® 5). The frequencies are generated from a single input reference clock.
Two select pins allow up to four different configurations to be programmed and accessible using processor GPIOs or bootstrapping. The different selections may be used for different operating modes (full function, partial function, and partial power down), regional standards (US, Japan, Europe), or system production margin testing.
产品参数
属性 | 值 |
---|---|
Outputs (#) | 3 |
Output Type | LVCMOS, LVPECL, HCSL, LVDS |
Output Freq Range (MHz) | - |
Input Freq (MHz) | - |
Inputs (#) | 1 |
Input Type | LVCMOS, LVPECL, LVDS, HCSL |
Output Banks (#) | 2 |
Core Voltage (V) | 1.8, 2.5, 3.3 |
Output Voltage (V) | 1.8, 2.5, 3.3 |
Phase Jitter Typ RMS (ps) | 0.7 |
Prog. Interface | I2C, OTP |
Spread Spectrum | Yes |
封装选项
Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
---|---|---|---|
VFQFPN | 3.0 x 3.0 x 1.0 | 20 | 0.4 |
应用
- Ethernet switch/router
- PCI Express 1.0/2.0/3.0
- Broadcast video/audio timing
- Multi-function printer
- Processor and FPGA clocking
- Any-frequency clock conversion
- MSAN/DSLAM/PON
- Fiber channel, SAN
- Telecom line cards
- 1GbE and 10GbE
当前筛选条件
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软件与工具
样例程序
模拟模型
Hello. My name is Baljit Chandhoke, and I'm the Product Line Manager of Timing Products at IDT. Today I'll give you a brief presentation of our recently released VersaClock® 5 family of programmable clock generators.
VersaClock 5 is an extremely low-power field programmable clock generator which can generate any output frequency you would like up to 350 megahertz, with best in class jitter performance of 0.7 ps RMS phase jitter.
This slide shows you the block diagram of VersaClock 5 family. As you see in the block diagram, there are four fractional output dividers which can generate any output frequency you want. These are connected to four universal outputs. The universal outputs can be configured as LVPECL, LVDS, HCSL, or two LVCMOS outputs per output pair. In addition, there is a reference clock output as well. For the inputs you can have a crystal input, or a clock input which is selectable by clock select. With the crystal input, the device acts as a clock generator. With the clock input the device acts as a clock multiplier. Each of the outputs can be configured to be 1.8 volt, 2.5 volt, or 3.3 volt outputs. As you see, the device is very programmable with a lot of flexibility. There are three options of programming the device. The device can be programmed using I2C, in which case every time at power-up you will need to reprogram the device. The second option is there are four banks of one-time programmable memory which enable you to program the configuration in the device. This can be done in-system, and next time the device powers up, it can power up to your desired configuration. The four configurations can be selected using cell zero and cell one pins. The third option is factory programming in which IDT will program the device to your configuration so no programming is required by the customer.
So to summarize, VersaClock 5 family of products have extremely low current consumption with 30 mA versus 60 mA from the competitor. There are four universal outputs which can be configured as HCSL, LVPECL, LVDS, or two LVCMOS outputs. And the device is in-system field programmable, and you can do the free programming using I2C or Timing Commander software from IDT.
This is a performance of the VersaClock 5 family. The RMS phase jitter is 610 fsecs from 12KHz to 20 MHz as you see on the slide. The device from the VersaClock 5 family are compliant PCI express Gen 1, Gen 2, Gen 3. They're compliant to 1G Ethernet. They're compliant to 10 G Ethernet. They're compliant to USB 3.0 Thunderbolt standards.
This slide summarizes the seven devices that we have in production for the VersaClock 5 family. The flagship device, 5P49V5901, has four fractional output dividers and can generate any output frequency you want, up to 350 MHz. The outputs can be configured to be LVPECL, LVDS, HCSL, or LVCMOS output, plus a reference output. The 5P49V5913 has two fractional output dividers so this is for applications which need less number of outputs. The 5P49V5913 can be used for applications which need three universal outputs. 5P49V5914 can be used. The other four devices are devices which only have LVCMOS outputs. So depending upon your application, if you need three, five, seven, or nine LVCMOS outputs, one of these devices can be selected.
This slide shows you the block diagram for two universal output devices. These devices have a reduced number of outputs with the same flexibility, programmability, performance as our flagship device, and it enables our customers to get the exact functionality they need on their systems in the most cost-effective manner.
This slide shows you the block diagram of 5P49V5923. This device only has LVCMOS outputs. And with the four devices as mentioned on the slide, having reduced functionality of only having LVCMOS outputs, they are extremely cost-competitive and these devices can be used to replace LVCMOS crystal oscillators.
This slide shows you the nine outputs to LVCMOS output device.
As I mentioned earlier, all the programming for the VersaClock 5 family can be done using the Timing Commander graphical user interface. It's extremely easy to use. And with the Timing Commander, you can program the output types. You can program the frequencies. And you can even program the Spread Spectrum independently on each output.
The VersaClock 5 family of devices are all in 4 x 4 mm QFN 24-pin package. They have the same footprint and are compatible with each other.
Some of the typical applications for the VersaClock 5 family are high-end consumer, networking, computing, industrial, communications, broadcast video, and medical applications.
For the VersaClock 5 we've also given our customers a web tool which enables them to get pre-programmed samples of VersaClock 5. So if you go to the VersaClock 5 IDT homepage and click on the customized link, you will get a utility like this. With this utility you will be able to enter the input frequency, enter the output frequency, output type, and instantaneously you will get a part number, and a data sheet addendum, and the ability to request samples with your configuration.
So this is how the data sheet addendum looks like. It shows you your configuration.
The VersaClock 5 family also has a programmer board available which in stock at IDT and ships within 24 hours of placing an order. The part number for the board is shown on the slide.
There are five evaluation boards for the VersaClock 5 family and they also are all available to ship within 24 hours of placing an order. The part numbers are shown on the slide.
All the collateral for VersaClock 5 family is on IDT.com as you see on the slide. So we have the evaluation board user's guide. We have the data sheets. We have the IBIS models, the Timing Commander personality file, reference schematics, and the product video all can be seen on IDT.com.
In summary, IDT's VersaClock 5 family of devices is an extremely low-power, programmable clock generator with best in class performance and design flexibility. It's got excellent jitter performance with 0.7 ps RMS phase jitter. We have reduced functionality devices with 5913 and 5914 which only have two or three universal outputs, enabling customers to get the exact functionality that they need in the systems in the most cost-effective manner. Then we have only LVCMOS output devices which are extremely low-cost to go after replacing LVCMOS crystal oscillators. These devices consume extremely low current consumption with 30 mA core current and they are compliant to PCI Express Gen 1, Gen 2, Gen 3. They're compliant to 1G Ethernet, 10 G Ethernet. IDT's VersaClock 5 family provides the industry's most versatile clock generation solution for consumer, industrial, communications, and networking applications.
Thank you for your time.
Description:
Lab demonstration and clock jitter measurement showing VersaClock 5. The frequency analyzer shows phase jitter at approximately 575 picoseconds RMS. Presented by Baljit Chandhoke, product manager at IDT. For more information visit the Programmable Clocks page.
Transcript:
Hello, my name is Baljit Chandhoke, and I'm the Product Line Manager of timing products at IDT. Today, I will be giving you a brief lab demonstration of our new product, "VersaClock 5".
VersaClock 5 is a low power clock generator, with best-in-class jitter performance of 0.7 psec. It has extremely low power with core current consumption of only 30 MA. It is extremely programmable, and you can get any frequency you want at the output, up to 350MHz.
Now I'm going to start the lab demonstration. I have with me, an evaluation board. The evaluation board is powered by the USB cable, and is also used to control the VersaClock 5.
This is the Timing Commander software, which controls the VersaClock 5 device. As you see, I have it configured for 125MHz, LVPECL output, on Output 1.
On Output 2, I have it configured at 125MHz, HCSL output. Output 3, I have it configured at 156.25MHz LVDS, and Output 4 has 312.5MHz. All the outputs are operational and have different output frequencies.
Now, let's take a look at the performance. With all these outputs operational, and on Output 1, which is operating at 125MHz, I see 575 fsec RMS phase jitter from 12K to 20MHz.
This is industry leading in the power consumption of 30MA core in the space.
Now let's change the frequency and see what happens to the phase noise. I'm going to change the frequency on Output 1 to 100MHz.
As you see, the frequency changed to 100MHz as shown on the screen, and the phase noise is still 576 fsec, from 12K to 20MHz. The noise floor is close to 150dBc.
So this product maintains the great performance, across a wide range of frequencies, as well as across multiple output types, and with different frequencies of the output.
So it provides you, a complete system solution, meeting the requirements of all your clocking needs in your system.
This video will show you how to program VersaClock® 5 Low Power Programmable Clock Generator.
Description
Transcript
Hi, my name is Shudong Zhen. I'm the application engineer in IDT timing group. Today, I'm going to introduce you to the VersaClock 5 Evaluation Board. The board comes in a box, a full package. First of all, of course, this board is out of the static bag.
This is the board with the USB cable. So, this is the board. It has two power systems. As you can see, there are two red banana jacks and one black banana jack for the power return. Also, we support the USB power for the whole board.
For this demonstration, I'm going to use the USB power because this is the first power supply we recommend you to use. It's easy. You don't need to connect the cables to the bench power supply.
Now here, we have the VersaClock 5 timing commander GUI opened up in a computer and right now, the board is not connected to the software. So, you can see there's no sign of communication between the software and the board. Now, let's make a connection to the board. The USB cable that comes with the box and one side, plug into the USB connector of the PC and then the other side goes to the board, the mini USB connector.
Now, up until this point, we're still not seeing the connection because we need to click on this chips symbol sign to make the connection but before I do that, I want to show you the default frequency output from the board.
Now, here is the scope, with the SMA connector cables. I'm going to connect these to the output one of the board. As you can see, on the scope screen, there is already 100 MHz LVCMOS differential output already, as you can see. So, this is the default output from the chip, output one and one B. As you can see, if I disconnect the power, there's no output and then when I connect to the power, the output is coming out right away. That's the default output.
Now, on this very same output, if I, in the VersaClock 5 Timing Commander GUI, if I change that output to 125 MHz, you're going to see the frequency change. Right now, this is the point I need to make the connection to the board so that the configuration can be downloaded into the chip.
So, first of all, click on the chip sign and then, as you can see, this area becomes green, which is a sign of successful connection to the board. Now, on the right side of this sign, if you hover the mouse onto the sign, you can see write all registers to the chip. Right now, I have 25 megaHertz crystal input. I entered 25 into the input frequency box and then, on the output frequency box for output one, I have entered 125 MHz.
Now, once I write this configuration into the chip, you're going to see the change on the screen, on the scope screen. Now, the GUI shows WriteAll has completed. The scope screen should have shown the 125 MHz output from the default 100 MHz. So, the configuration of the board is very easy once we have a good connection. The desired output frequency can be immediately displayed.
We can also use the bench power supply to power the board. These two red banana jacks and the one black banana jack are for the bench power supply. If we use this cable from the bench power supply to make the connection... So, this is a green cable but still, we use it as a power supply, 3.3 volts and this is for the return, the power return. At the same time, the USB cable can still be connected for the data communication. The power supply is provided by the connectors, although we need to make the jumpers. We know the jumpers will make the selections between the USB power and the jack power. In this case, for example, as you can see, the labels on this connector, the VDDD_J means the power is coming from the jack. So, we need to move the connector into the left side and it's the same move for all the other jumpers, to make the power supply switch. That's for the power supply and then I think that concludes the introduction to the VersaClock 5 Evaluation Board. Thank you very much for you time to listen to this video. Thank you.
Description
IDT's innovative support tool, Timing Commander™, expedites development cycles by empowering customers to program sophisticated timing devices with an intuitive and flexible Graphical User Interface. IDT's Timing Commander is a Windows™-based platform designed to serve user-friendly configuration interfaces, known as personalities, for various IDT products and product families. With a few simple clicks, the user is presented with a comprehensive, interactive block diagram offering the ability to modify desired input values, output values, and other configuration settings. The software automatically makes calculations, reports status monitors, and prepares register settings without the need to reference a datasheet. The tool also automatically loads the configuration settings over USB to an IDT evaluation board for immediate application in the circuit. Once the device has been configured and tuned for optimal system performance, the configuration file can be saved for factory-level programming before shipment. For more information about Timing Commander, visit our Timing Commander page.
Transcript
Narrator: In a data driven world, timing is everything. That's why more and more system design engineers are using products from the world leader in silicon timing, IDT. IDT has earned its reputation for excellence by providing a wide range of leading technologies for wireless and wired communications infrastructure, high performance computing, and advanced power management.
And with a product portfolio 10 times greater than the competition, IDT is uniquely qualified to be your one-stop-shop for timing solutions. IDT's innovative Windows-based software platform, Timing Commander, makes it easy to configure, program, and monitor all your sophisticated timing devices.
Steven: What's great about IDT's Timing Commander is that it helps you avoid tedious manageable configurations so you can focus on other areas of your design.
Narrator: IDT's Timing Commander serves up intuitive configuration interfaces or personalities for all of IDT's programmable timing products. With a few simple clicks, you can generate a comprehensive, interactive block diagram and modified desired input values, output values, and other configuration settings. The software also writes your settings over USB to an IDT evaluation board for immediate application in the circuit. It really is as easy as one, two, three.
Steven: The Timing Commander software automatically makes calculations, monitors status, and prepares register settings so you don't have to reference a data sheet. Built-in documentation is readily available. Just hover over a setting, and real time validation ensures that the configuration complies with data sheet specifications. Whether you're a first time user or an experienced engineer, Timing Commander offers you the right amount of control.
Narrator: To help you program complex devices more intuitively, Timing Commander's advanced features include the ability to create phase noise estimates, generate the schematic symbol and termination circuit and determine the optimal balance between performance and power consumption.
Steven: Once your devices are configured and tuned for optimal system performance, you can save the configuration files for factory-level programming prior to shipment.
Narrator: Timing Commander is just one example of the innovative timing solutions IDT delivers.
Peter: From simple fanout buffers and multiplexers to fully featured products like universal frequency translators, network synchronization devices, and VersaClock families, IDT has a wide range of products optimized for specific applications. You can also count on IDT for the lowest jitter and lowest power features to help you build the world class products your customers demand.
Narrator: It's time to put IDT timing solutions to work for your business, and with the power of Timing Commander software, it's easier than ever. To learn more, visit IDT online or give us a call today.
Description