PCI Express® 时钟

业界领先的 PCI Express 时钟解决方案

瑞萨电子在 PCI Express 时钟和时序行业中首先推出了：

PCIe Gen1、Gen2、Gen3、Gen4、Gen5 和 Gen6 时钟解决方案
超低功耗 PCI Express 时钟发生器 (1.8V/1.5V)
超低功耗 HCSL (LP-HCSL) 输出，以节省高达 85% 的功耗表现取代标准 HCSL 输出
在单个设备集成多个 PLL，可节省功耗和电路板空间

瑞萨电子在各种CPU 平台支持方面拥有引领时代的专业知识和技术，可满足您从个人 PC 到云服务器处理器时钟的所有设计需求。寻找合适的PCIe时钟方案。

瑞萨电子认识到，满足从严谨的抖动限制、物料成本到电路板空间的严苛要求可能极具挑战性。我们将助您一臂之力，满足您的各项要求，包括 PCI Express、SATA、USB、SAS、DMI、QPI、超传输、以太网等，以及多个插槽 CPU 架构。

关于 PCI Express 时钟

PCI Express 是全球应用最广泛的高性能外设接口之一。率先应用于图形领域的 PCI Express 已经在多个领域中得到广泛采用，其中包括高性能计算、服务器、存储、网络、检测仪表和消费类电子产品等。如此广泛的应用空间亟需多种专为如下需求而精心优化的 PCI Express 时钟解决方案：能满足每种应用需求的不同性能水平、BOM 成本和板级空间要求。Renesas 在主流计算、网络和消费类电子产品客户群体中拥有稳固的地位，并积极活跃在众多相关标准机构中，从而使其能为任何应用提供理想的 PCI Express 时钟和时序解决方案（简称 PCIe 时钟）。

三种基本 PCIe 参考时钟架构

CC Architecture

Common Clock

SRnS Architecture

Separate Reference No Spread

SRIS Architecture

Separate Reference Independent Spread

Clock Gen

Clock

Buffer
(optional)

CPU/SoC

PCIe
Data

PCIe Device

CPU/SoC

PCIe
Data

PCIe Device

CPU/SoC

PCIe
Data

PCIe Device

产品选型表

Processing table

	Function	Architecture	App Jitter Compliance	Diff. Outputs	Diff. Output Signaling	Output Impedance	Diff. Inputs	Power Consumption Typ (mW)	Supply Voltage (V)	Advanced Features	Lead Count (#)	Pkg. Type	Pkg. Dimensions (mm)
(23) 推荐产品 (132) 衍生产品	Fanout Buffer Generator Multiplexer Zero Delay Buffer	Common SRIS SRNS	10GbE 25G EDR DB2000Q IF-UPI PCIe Gen1 PCIe Gen2 PCIe Gen3 PCIe Gen4 PCIe Gen5 PCIe Gen6 QPI RXAUI UPI USB 3.0 XAUI	1 2 4 5 6 7 8 9 11 12 13 15 16 19 20 24	HCSL LP-HCSL LVCMOS LVDS LVPECL	33 85 100	1 2 4	最大值 Typical power consumption (in mW). 最小值 Typical power consumption (in mW).	1.05 - 1.5 1.05 - 3.3 1.5 1.8 1.8 - 3.3 2.5 2.5 - 3.3 3.3	100M output(s) 100MHz output(s) 125M output(s) 14.318M output(s) 156.25M output(s) 200MHz Differential LVDS 250M output(s) 25M output(s) 25MHz output(s) 312.5M output(s) 33MHz or 48MHz 48M output(s) 50M output(s) Asynch or Glitch-Free Switching Mode Auto SRIS Mode Automatic Clock Parking DOT96M output pair(s) Flexible Power Sequencing Flexible Startup Sequencing HW PLL mode control Integrated 25MHz XTAL Loss of Signal Indicator Multiple SMBus addresses PFT Power Down Tolerant Programmable Clock Programmable input-to-output skew Reference Output SMBus Write Protection SMBus Write lock SMBus security SW PLL mode control Selectable Output Amplitude Selectable Output Impedance Side Band interface Spread Spectrum Very Low Additive Jitter	8 16 20 24 28 32 40 48 56 64 72 80 100	LGA SOIC SSOP TSSOP VFQFPN	10.0 x 10.0 x 1.0 10.2 x 5.3 x 1.73 12.5 x 6.1 x 1.0 15.9 x 7.5 x 2.3 17.0 x 6.1 x 1.0 3.0 x 3.0 x 1.0 3.0 x 3.0 x 1.1 4.0 x 4.0 x 0.8 4.0 x 4.0 x 0.9 4.0 x 4.0 x 1.0 4.0 x 4.0 x 1.21 4.0 x 4.0 x 1.4 4.9 x 3.9 x 1.5 5.0 x 4.4 x 1.0 5.0 x 5.0 x 0.9 6 x 6 x 0.85 6.0 x 6.0 x 0.85 6.0 x 6.0 x 0.9 6.5 x 4.4 x 1.0 7.0 x 7.0 x 0.9 7.0 x 7.0 x 1.0 7.8 x 4.4 x 1.0 8.0 x 8.0 x 0.55 9.0 x 9.0 x 0.9 9.7 x 4.4 x 1.0
器件号	Logical Operator	Logical Operator	Logical Operator	Logical Operator	Logical Operator	Logical Operator	Logical Operator		Logical Operator	Logical Operator	Logical Operator	Logical Operator	Logical Operator
9SQ440 PDF CK440Q PCIe Gen6 Server Clock Generator	Generator	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	20	LP-HCSL	85		875	3.3	25MHz output(s), 100MHz output(s), PFT, Spread Spectrum	100	VFQFPN	8.0 x 8.0 x 0.55
RC19208 PDF PCIe Gen6 2:8 Clock Multiplexer	Multiplexer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	8	LP-HCSL	85, 100	2	250	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	48	VFQFPN	6.0 x 6.0 x 0.9
RC19204 PDF PCIe Gen6 2:4 Clock Multiplexer	Multiplexer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	4	LP-HCSL	85, 100	2	92	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	28	VFQFPN	4.0 x 4.0 x 0.9
RC19202 PDF PCIe Gen6 2:2 Clock Multiplexer	Multiplexer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	2	LP-HCSL	85, 100	2	72	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	20	VFQFPN	3.0 x 3.0 x 1.0
RC19024 PDF PCIe Gen6 24-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	24	LP-HCSL	85	1	808	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	100	VFQFPN	8.0 x 8.0 x 0.55
RC19020 PDF PCIe Gen6 20-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	20	LP-HCSL	85	1	716	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	72, 80	VFQFPN	6.0 x 6.0 x 0.85, 10.0 x 10.0 x 1.0
RC19016 PDF PCIe Gen6 16-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	16	LP-HCSL	85, 100	1	508, 498	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	64	VFQFPN	9.0 x 9.0 x 0.9
RC19013 PDF PCIe Gen6 13-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	13	LP-HCSL	85, 100	1	363, 320	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	56	VFQFPN	7.0 x 7.0 x 1.0
RC19008 PDF PCIe Gen6 8-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	8	LP-HCSL	85, 100	1	237, 231	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	40	VFQFPN	5.0 x 5.0 x 0.9
RC19004 PDF PCIe Gen6 4-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	4	LP-HCSL	85, 100	1	128, 125	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	28	VFQFPN	4.0 x 4.0 x 0.9
RC19002 PDF PCIe Gen6 2-Output Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	2	LP-HCSL	85, 100	1	72	3.3	Automatic Clock Parking, Flexible Startup Sequencing and more...	20	VFQFPN	3.0 x 3.0 x 1.0
RC19216 PDF PCIe Gen6 2:16 Clock Multiplexer	Multiplexer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	16	LP-HCSL	85, 100	2	534	3.3	Automatic Clock Parking, Flexible Power Sequencing and more...	80	VFQFPN	6.0 x 6.0 x 0.85
5P35021 PDF VersaClock® 3S Programmable Clock Generator	Generator	Common	PCIe Gen1, PCIe Gen2, PCIe Gen3	2	LP-HCSL, LVCMOS, LVDS, LVPECL	100		50	1.8, 2.5, 3.3	Programmable Clock, Reference Output, Spread Spectrum	20	VFQFPN	3.0 x 3.0 x 1.0
5P35023 PDF VersaClock® 3S Programmable Clock Generator	Generator	Common	PCIe Gen1, PCIe Gen2, PCIe Gen3	2	LP-HCSL, LVCMOS, LVDS, LVPECL	100		50	1.8, 2.5, 3.3	Programmable Clock, Reference Output, Spread Spectrum	24	VFQFPN	4.0 x 4.0 x 0.9
5P49V6965 PDF VersaClock® 6E Programmable Clock Generator	Generator	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5	4	HCSL, LVCMOS, LVDS, LVPECL	100		100	1.8, 2.5, 3.3	Programmable Clock, Reference Output, Spread Spectrum	24	VFQFPN	4.0 x 4.0 x 0.9
9DML4493 PDF 4:4 Clock MUX for PCI Express Gen1–6	Multiplexer	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	4	LP-HCSL	85, 100	4	124	3.3, 2.5, 1.8	Selectable Output Amplitude, Selectable Output Impedance and more...	32	VFQFPN	5.0 x 5.0 x 0.9
9FGV1002 PDF Programmable PhiClock™ Generator	Generator	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	4	LP-HCSL, LVDS	85, 100		125	3.3, 1.8	Programmable Clock	24	LGA, VFQFPN	4.0 x 4.0 x 0.8, 4.0 x 4.0 x 1.4
9FGV1006 PDF Programmable PhiClock™ Generator	Generator	Common, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	2	LP-HCSL	85, 100		100	3.3, 1.8	Programmable Clock	16	LGA	3.0 x 3.0 x 1.1
9QXL2000B PDF 20-Output DB2000Q PCIe Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	25G EDR, DB2000Q, IF-UPI, PCIe Gen1, PCIe Gen2, PCIe Gen3 and more...	20	LP-HCSL	85	1	594	3.3	Multiple SMBus addresses	72	VFQFPN	10.0 x 10.0 x 1.0
9QXL2000C PDF 20-Output Enhanced DB2000Q PCIe Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	25G EDR, DB2000Q, IF-UPI, PCIe Gen1, PCIe Gen2, PCIe Gen3 and more...	20	LP-HCSL	85	1	739	3.3	Multiple SMBus addresses	72	VFQFPN	10.0 x 10.0 x 1.0
9QXL2001B PDF 20-Output DB2000QL PCIe Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	25G EDR, DB2000Q, IF-UPI, PCIe Gen1, PCIe Gen2, PCIe Gen3 and more...	20	LP-HCSL	85	1	488	3.3	Multiple SMBus addresses, Side Band interface	80	VFQFPN	6.0 x 6.0 x 0.85
9QXL2001C PDF 20-Output Enhanced DB2000QL PCIe Clock Buffer	Fanout Buffer	Common, SRIS, SRNS	25G EDR, DB2000Q, IF-UPI, PCIe Gen1, PCIe Gen2, PCIe Gen3 and more...	20	LP-HCSL	85	1	720	3.3	Multiple SMBus addresses, Side Band interface	80	VFQFPN	6 x 6 x 0.85, 6.0 x 6.0 x 0.85
9SQ445 PDF CK440Q Lite PCIe Gen6 Server Clock Generator	Generator	Common, SRIS, SRNS	PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6	6	LP-HCSL	85	1	400	3.3	25MHz output(s), 100MHz output(s), PFT, Spread Spectrum	40	VFQFPN	5.0 x 5.0 x 0.9

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文档

文档标题	类型	日期
Timing Solutions Products Overview PDF 872 KB	概览	2023年2月1日
PCI Express Timing Solutions Overview PDF 2.40 MB	概览	2022年4月8日
Clock Distribution Overview PDF 217 KB	概览	2020年11月7日
PCIe Reference Clock Jitter Measurements for Gen5 and Beyond PDF 1.35 MB	白皮书	2020年8月5日
4 items

视频和培训

PCIe Gen 6 RC19 Family Clock Buffer and Multiplexer Overview

The RC family are PCIe Gen6 clock buffer and multiplexer solutions provide industry's smallest and most compact footprint.

Video List

PCIe Gen 6 RC19 Family Clock Buffer and Multiplexer Overview

Comparing PCI Express® Gen 3-6 Jitter Filters to a 12k-20M Jitter Filter

PCIe Reference Clock Jitter Budgets

What Does PCIe Gen5 Say About SRIS?

PCIe Data Rates vs Clock Jitter Specs

IDT PhiClock™ PCIe Gen 4 Clock Generators, 9FGV100x Family

PCIe Gen5 Clock Buffers

Generating a PCIe Gen 4 Compliant Reference Clock from a Gen 3 Source Using the 9ZXL1951D

PCI Express Gen 1 to Gen 4/Gen 5 Data Rate Evolution

PCI Express Gen 1 to Gen 4/Gen 5 Clock Specification Evolution

PCI Express Common Clock Jitter Model and Transfer Functions

新闻和博客

Future-proof Your PCIe® Designs	博客	2022年4月14日
Solving Common Issues with Respect to PCIe Timing Design on the Modern Server System	博客	2022年4月14日
瑞萨电子推出符合PCIe Gen6标准的时钟缓冲器和多路复用器	新闻	2022年4月14日
Comparing and Contrasting PCIe and Ethernet Clock Jitter Specifications	博客	2018年5月22日