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| 型号： | CDCE906-706PERFEVM |
| 厂商： | Texas Instruments |
| 文件页数： | 5/19页 |
| 文件大小： | 0K |
| 描述： | EVAL MOD PERFORMANCE CDCE906/706 |
| 标准包装： | 1 |
| 主要目的： | 计时，时钟发生器 |
| 已用 IC / 零件： | CDCE906，CDCE706 |
| 已供物品： | 板 |
| 相关产品： | CDCE906PWRG4-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP 296-26038-2-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP CDCE906PWG4-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP CDCE706PWRG4-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP CDCE706PWR-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP CDCE706PWG4-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP 296-20675-5-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP 296-20674-5-ND - IC 3-PLL SYNTH/MULT/DIV 20-TSSOP |
| 其它名称： | 296-30828 CDCE906-706PERFEVM-ND |
User's Guide
SCAU017B – August 2006 – Revised August 2007
CDCE906/CDCE706 Programming Evaluation Module
This user's guide explains how to use the CDCE906/CDCE706 programming evaluation module. An easy
to use socket is provided on the EVM to make a fast programming of samples or small production
quantities possible. There is an another EVM available for the purpose of performance measurements and
evaluation, called CDCE906/CDCE706 Performance Evaluation Module.
If you need assistance with this device, email: clocks_apps@list.ti.com
1
Introduction
The CDCE906/CDCE706 is one of the smallest and powerful PLL synthesizer / multiplier / divider
available today. Despite its small physical outlines, the CDCE906/CDCE706 is the most flexible. It has the
capability to produce an almost independent output frequency from a given input frequency.
The input frequency can be derived from a LVCMOS, a differential input clock, or a single crystal. The
appropriate input waveform can be selected via the SMBus data interface controller.
To achieve an independent output frequency the reference divider M and the feedback divider N for each
PLL can be set to values from 1 up to 511 for the M-Divider and from 1 up to 4095 for the N-Divider. The
PLL-VCO (voltage controlled oscillator) frequency than is routed to the free programmable output
switching matrix to any of the six outputs. The switching matrix includes an additional 7-bit post-divider
(1-to-127) and an inverting logic for each output.
The deep M/N divider ratio allows the generation of zero ppm clocks from e.g., a 27-MHz reference input
frequency.
The CDCE906/CDCE706 includes three PLLs of those one supports SSC (spread-spectrum clocking).
PLL1, PLL2, and PLL3 are designed for frequencies up to 300 MHz and optimized for zero-ppm
applications with wide divider factors.
PLL2 also supports center-spread and down-spread spectrum clocking (SSC). This is a proven method to
effectively reduce the energy for the selected frequency range. The electro-magnetic interference (EMI)
will be significantly reduced. Also, the slew-rate controllable (SRC) output edges minimize EMI noise.
Based on the PLL frequency and the divider settings, the internal loop filter components will be
automatically adjusted to achieve high stability and optimized jitter transfer characteristic of the PLL.
The device supports non-volatile EEPROM programming for easy customized applications. It is
pre-programmed with a factory default configuration (see Figure 1 ) and can be re-programmed to a
different application configuration before it goes onto the PCB or re-programmed by in-system
programming. A different register setting is programmed via the serial SMBus interface.
Two free programmable inputs, S0 and S1, can be used to control for each application the most
demanding logic control settings (outputs disable to low, outputs 3-state, power down, PLL bypass, etc).
The CDCE906/CDCE706 has three power supply pins, VCC, VCCOUT1, and VCCOUT2. VCC is the
power supply for the device. It operates from a single 3.3-V supply voltage. VCCOUT1 and VCCOUT2 are
the power supply pins for the outputs. VCCOUT1 supplies the outputs Y0 and Y1 and VCCOUT2 supplies
the outputs Y2, Y3, Y4, and Y5. Both output supplies can be 2.3 V to 3.6 V. The output works even at
1.7V VCCOUT. However, some limitations apply at VCCOUT below 2.3V.
The CDCE906/CDCE706 is characterized for operation from 0 ° C to 70 ° C/–40 ° C to 85 ° C.
Pro-Clock is a trademark of Texas Instruments.
Microsoft is a trademark of Microsoft Corporation.
SCAU017B – August 2006 – Revised August 2007
CDCE906/CDCE706 Programming Evaluation Module
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CDCE906-706ProgEVM | 功能描述:时钟和定时器开发工具 HEADPHONE DRIVER RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V |
| CDCE906PW | 功能描述:时钟合成器/抖动清除器 Programmable 3-PLL Clock Synth/Mul/Dvdr RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| CDCE906PW | 制造商:Texas Instruments 功能描述:CLOCK DRIVER 制造商:Texas Instruments 功能描述:IC PLL CLOCK SYNTHESIZER 167MHZ TSSOP-20 |
| CDCE906PWG4 | 功能描述:时钟合成器/抖动清除器 Programmable 3-PLL Clock Synth/Mul/Dvdr RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| CDCE906PWR | 功能描述:时钟合成器/抖动清除器 Programmable 3-PLL Clock Synth/Mul/Dvdr RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
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