CDCE6214Q1TM中文资料支持 PCIe® 第 1 代至第 5 代、具有低电平有效输出使能端的超低功耗时钟发生器数据手册TI规格书

描述 Description

CDCE6214Q1TM 是一款 适合汽车应用的 4 通道、超低功耗、中级抖动时钟发生器，可生成五个在各种驱动器模式之间可选的独立时钟输出。输入源可以是单端或差分输入时钟源，也可以是晶体。 CDCE6214Q1TM 具有一个分数 N PLL，可在任何输入频率下合成不相关的基础频率。

特性 Features

• AEC-Q100 qualified for automotive applications
• Functional Safety-Capable
• Configurable high performance, low-power, frac-N PLL with RMS jitter with spurs (12 kHz – 20 MHz, F out > 100 MHz) as:
• Differential output: 350 fs typical, 600 fs maximum
• Fractional mode:
• LVCMOS output: 2.0 ps typical, 4.0 ps maximum
• Supports PCIe Gen1/2/3/4 with SSC and Gen 1/2/3/4/5 without SSC
• Typical power consumption: 65 mA for 4-output channel, 23 mA for 1-output channel.
• Differential AC-coupled or LVCMOS: 10 MHz to 200 MHz
• Flexible output clock distribution
• Combination of LVDS-like, LP-HCSL or LVCMOS outputs on OUT0 – OUT4 pins
• Individual output enable through active-low GPIO and register
• Frequency margining options
• Fully-integrated, configurable loop bandwidth: 100 kHz to 1.6 MHz
• Configurable GPIOs and flexible configuration options
• Integrated EEPROM with two pages and external select pin. In-situ programming allowed.
• Supports 100-Ω systems
• Small footprint: 24-pin VQFN (4 mm × 4 mm)