WMSIC Electronic Components

RENESAS 9DBV0241AKILFT

Model9DBV0241AKILFT
Package24-QFN(4x4)
BrandRENESAS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS 9DBV0241AKILFT
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

PLL
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
9DBV0241AKILFT
Electronic Component
1
Package
24-QFN(4x4)
Electronic Component
Dedicated Clock / Timing
Electronic Component
HCSL
Output
HCSL
Electronic Component
0.182g
Electronic Component
1
Electronic Component
1
Electronic Component
Ethernet, PCI Express(PCIe)
Electronic Component
BM0264858897
Type
Surface Mount
Operating Temperature
40°C ~ 85°C

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

9DBV0241AKILFT 时钟器件产品概述

一、核心身份与品牌背景

9DBV0241AKILFT是瑞萨电子(RENESAS)推出的以太网/PCIe专用时钟缓冲器,定位于高速串行链路的时钟分发与稳定管理。瑞萨作为全球半导体行业的时钟技术领导者,其产品线以“低抖动、高可靠性、协议兼容性”为核心优势,广泛覆盖通信、计算、工业控制等领域。该器件针对PCIe和以太网的时钟需求深度优化,是此类高速接口系统中不可或缺的核心组件。

二、关键性能参数总览

该器件的参数围绕高速时钟管理的核心需求设计,关键指标清晰明确:

  • 时钟特性:输入输出均为HCSL差分信号,最大工作频率137.5MHz,支持1:2(1输入→2输出)扇出,内置锁相环(PLL);
  • 供电规范:1.7V~1.9V低压供电,符合现代低功耗芯片组的供电标准;
  • 电路与封装:1路独立时钟电路,采用24-QFN(4×4mm)表面贴装封装;
  • 环境适应性:工作温度范围-40℃~85℃,覆盖商用及工业级场景。

三、核心技术特性解析

3.1 差分HCSL信号设计

HCSL(高速CMOS逻辑)是PCIe、以太网等高速串行链路的标准时钟格式,相比单端信号具有三大优势:

  • 抗干扰能力强:差分传输可抑制电源噪声、串扰等干扰,保证时钟信号在长距离布线中的稳定性;
  • EMI(电磁干扰)低:差分信号的磁场相互抵消,减少对周边电路的干扰;
  • 信号完整性好:支持高速传输,满足PCIe Gen1/2(100MHz/125MHz)、千兆以太网(125MHz)的时钟要求。

该器件输入输出均采用HCSL设计,可有效避免链路误码率上升,提升系统可靠性。

3.2 内置PLL的时钟稳定机制

内置锁相环(PLL)是该器件的核心技术亮点:

  • 频率锁定:可将输入时钟与输出时钟精准同步,适配PCIe、以太网的协议时钟频率;
  • 噪声过滤:过滤输入时钟的高频噪声,输出低抖动时钟(典型抖动<10ps),进一步保证信号质量;
  • 相位一致性:两路输出时钟的相位偏差控制在5ps以内,满足多端口同步的需求。

3.3 1:2扇出的设计简化

1输入驱动2输出的扇出设计,直接解决了系统时钟树的复杂度问题:

  • 无需额外级联缓冲器,即可为多个PCIe端口或以太网端口提供同步时钟;
  • 减少PCB布线难度,降低BOM(物料清单)成本;
  • 避免多级缓冲带来的相位累积偏差,保证多链路的同步性。

四、典型应用场景

该器件的设计针对性极强,主要应用于以下场景:

  • PCIe接口系统:PCIe x1/x4/x8扩展卡、服务器主板、工业控制主板的时钟分发,为PCIe链路提供稳定的100MHz/125MHz时钟,支持Gen1/Gen2协议;
  • 以太网设备:千兆/万兆以太网交换机、网卡、光模块的时钟同步,保证多个端口的时钟相位一致,符合IEEE 802.3协议要求;
  • 工业通信设备:工业交换机、PLC控制器的时钟管理,-40℃~85℃的宽温范围可适应工业现场的温度变化。

五、封装与环境适应性

  • 封装优势:24-QFN(4×4mm)封装具有“小尺寸、散热好、焊接可靠”的特点,适合高密度PCB设计(如服务器主板的紧凑布局),引脚间距合理,可通过标准SMT工艺焊接;
  • 宽温可靠性:无需额外散热设计即可满足工业和商用场景的需求,降低系统设计成本与维护难度。

六、应用价值与优势总结

9DBV0241AKILFT的核心价值在于**“针对性优化+系统简化”**:

  1. 协议适配性强:完全兼容PCIe 1.0/2.0、千兆/万兆以太网协议,无需额外适配电路;
  2. 可靠性突出:低抖动输出+宽温范围,保证系统在恶劣环境下的稳定运行;
  3. 设计效率高:1:2扇出+内置PLL减少外部元件,缩短设计周期;
  4. 成本效益好:小封装+低功耗降低系统BOM成本与散热成本。

该器件是以太网和PCIe系统中时钟管理的高性价比选择,适用于从消费级主板到工业通信设备的多种场景。

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