Datasheet > 9ZXL0853E

9ZXL0853E

更新时间： 2023-12-20 18:45:16

品牌	Logo	应用领域
瑞萨 - RENESAS		PC
页数	文件大小	规格书
34页	1241K
描述
8-Output DB800ZL PCIe Zero-Delay/Fanout Clock Buffer with SMBus Write Protection

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9ZXL0853E 数据手册

Datasheet

9ZXL06x2E/9ZXL08xxE/9ZXL12x2E

6 to 12-Output Buffers for PCIe Gen1–5 and UPI with SMBus Write Protect

The 9ZXL revision E family of Zero-Delay/Fanout

Buffers (ZDB, FOB) with SMBus Write Protect are

Features

▪ SMBus Write Protect pin prevents SMBus against

accidental writes

2nd-generation enhanced performance buffers for

PCIe and CPU applications. The devices have

hardware SMBUS write protection to prevent

accidental writes. The family meets all published

QPI/UPI, DB2000Q and PCIe Gen1–5 jitter

specifications. Devices range from 6 to 12 outputs,

with each output having an OE# pin to support the

PCIe CLKREQ# function for low power states. All

devices meet DB2000Q, DB1200ZL and DB800ZL

jitter and skew requirements.

▪ 6–12 Low-power HCSL (LP-HCSL) outputs

▪ Integrated terminations eliminate up to 4 resistors

per output pair

▪ Dedicated OE# pins support PCIe CLKREQ#

function

▪ Up to 9 selectable SMBus addresses (9ZXL12xx,

9ZXL0853)

▪ Selectable PLL bandwidths minimizes jitter peaking

in cascaded PLL topologies

Applications

▪ Servers/High-performance Computing

▪ Hardware/SMBus control of ZDB and FOB modes

allow change without power cycle

▪ nVME Storage

▪ Spread spectrum compatible

▪ Networking

▪ 1–400MHz FOB operation (all devices)

▪ Accelerators

▪ 100MHz and 133.33MHz ZDB mode (9ZXL12xx,

9ZXL08xx)

▪ Industrial Control

▪ 100MHz ZDB mode (9ZXL06xx)

Key Specifications

▪ -40°C to +85°C operating temperature range

▪ Fanout Buffer Mode additive phase jitter:

• PCIe Gen5 CC, UPI > 20Gb/s < 24fs RMS

• DB2000Q additive jitter < 39fs RMS

• QPI/UPI 11.4GB/s < 40fs RMS

• IF-UPI additive jitter < 70fs RMS

▪ ZDB Mode phase jitter:

▪ Packages: See Ordering Information for more

details

PCIe Cocking Architectures

▪ Common Clocked (CC)

▪ Independent Reference (IR) with and without

spread spectrum (SRIS, SRNS)

• PCIe Gen5 CC, UPI > 20Gb/s < 22fs RMS

• QPI/UPI 11.4GB/s < 120fs RMS

• IF-UPI additive jitter < 130fs RMS

▪ Cycle-to-cycle jitter < 50ps

▪ Output-to-output skew < 50ps

R31DS0159EU0102 Rev.1.02

Dec 22, 2022

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