ZHCS927G
May 2012 – January 2018
CDCM6208
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
简化电路原理图
4
修订历史记录
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information, Airflow = 0 LFM
6.5
Thermal Information, Airflow = 150 LFM
6.6
Thermal Information, Airflow = 250 LFM
6.7
Thermal Information, Airflow = 500 LFM
6.8
Single-Ended Input Characteristics (SI_MODE[1:0], SDI/SDA/PIN1, SCL/PIN4, SDO/ADD0/PIN2, SCS/ADD1/PIN3, STATUS1/PIN0, RESETN/PWR, PDN, SYNCN, REF_SEL)
6.9
Single-Ended Input Characteristics (PRI_REF, SEC_REF)
6.10
Differential Input Characteristics (PRI_REF, SEC_REF)
6.11
Crystal Input Characteristics (SEC_REF)
6.12
Single-Ended Output Characteristics (STATUS1, STATUS0, SDO, SDA)
6.13
PLL Characteristics
6.14
LVCMOS Output Characteristics
6.15
LVPECL (High-Swing CML) Output Characteristics
6.16
CML Output Characteristics
6.17
LVDS (Low-Power CML) Output Characteristics
6.18
HCSL Output Characteristics
6.19
Output Skew and Sync to Output Propagation Delay Characteristics
6.20
Device Individual Block Current Consumption
6.21
Worst Case Current Consumption
6.22
Timing Requirements, I2C Timing
6.23
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Typical Device Jitter
8.3.2
Universal Input Buffer (PRI_REF, SEC_REF)
8.3.3
VCO Calibration
8.3.4
Reference Divider (R)
8.3.5
Input Divider (M)
8.3.6
Feedback Divider (N)
8.3.7
Prescaler Dividers (PS_A, PS_B)
8.3.8
Phase Frequency Detector (PFD)
8.3.9
Charge Pump (CP)
8.3.10
Fractional Output Divider Jitter Performance
8.3.11
Device Block-Level Description
8.3.12
Device Configuration Control
8.3.13
Configuring the RESETN Pin
8.3.14
Preventing False Output Frequencies in SPI/I2C Mode at Start-Up
8.3.15
Input MUX and Smart Input MUX
8.4
Device Functional Modes
8.4.1
Control Pins Definition
8.4.2
Loop Filter Recommendations for Pin Modes
8.4.3
Status Pins Definition
8.4.4
PLL Lock Detect
8.4.5
Interface and Control
8.4.5.1
Register File Reference Convention
8.4.5.2
SPI - Serial Peripheral Interface
8.4.5.2.1
Writing to the CDCM6208
8.4.5.2.2
Reading From the CDCM6208
8.4.5.2.3
Block Write/Read Operation
8.4.5.2.4
I2C Serial Interface
8.5
Programming
8.6
Register Maps
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Design Requirements
9.2.2
Detailed Design Procedures
9.2.2.1
Jitter Considerations in SERDES Systems
9.2.2.2
Jitter Considerations in ADC and DAC Systems
9.2.2.3
Configuring the PLL
9.2.2.4
Programmable Loop Filter
9.2.2.5
Loop filter Component Selection
9.2.2.6
Device Output Signaling
9.2.2.7
Integer Output Divider (IO)
9.2.2.8
Fractional Output Divider (FOD)
9.2.2.9
Output Synchronization
9.2.2.10
Output Mux on Y4 and Y5
9.2.2.11
Staggered CLK Output Power Up for Power Sequencing of a DSP
10
Power Supply Recommendations
10.1
Power Rail Sequencing, Power Supply Ramp Rate, and Mixing Supply Domains
10.1.1
Mixing Supplies
10.1.2
Power-On Reset
10.1.3
Slow Power-Up Supply Ramp
10.1.4
Fast Power-Up Supply Ramp
10.1.5
Delaying VDD_Yx_Yy to Protect DSP IOs
10.2
Device Power-Up Timing
10.3
Power Down
10.4
Power Supply Ripple Rejection (PSRR) versus Ripple Frequency
11
Layout
11.1
Layout Guidelines
11.2
Reference Schematics
12
器件和文档支持
12.1
文档支持
12.1.1
相关文档
12.2
接收文档更新通知
12.3
社区资源
12.4
商标
12.5
静电放电警告
12.6
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RGZ|48
MPQF123F
散热焊盘机械数据 (封装 | 引脚)
RGZ|48
QFND014T
订购信息
zhcs927g_oa
zhcs927g_pm
1
特性
低功耗、高性能:
低噪声合成器(265 fs-rms 典型抖动)或低噪声抖动清除器(1.6 ps-rms 典型抖动)
0.5W 典型功耗
高通道间隔离和出色的 PSRR
可通过灵活的 1.8V、2.5V 和 3.3V 电源实现器件性能定制,支持混合输出电压
灵活的频率规划:
支持与 LVPECL 相似的、CML、或者与 LVDS 相似的信令的 4x 整数向下分频差分时钟输出
支持 HCSL、与 LVDS 相似的信令或 8 CMOS 输出的 4x 小数或整数分频差分时钟输出
小数输出分频器可实现 0ppm 至低于 1ppm 的频率误差,无需晶体振荡器和其他时钟生成器
输出频率最高可达 800MHz
两个差分输入、XTAL 支持、智能开关功能
SPI,I
2
C 和引脚可编程
专业用户 GUI,可实现快速设计交付
7 × 7mm 48-VQFN 封装 (RGZ)
-40°C 至 85°C 的温度范围