Datasheet > 9ZX21201

9ZX21201

更新时间： 2023-12-20 18:45:29

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
17页	515K
描述
12-output DB1200Z Compliant Buffer

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9ZX21201 数据手册

DATASHEET

12-OUTPUT DIFFERENTIAL Z-BUFFER FOR PCIE GEN2/3 AND QPI

9ZX21201

General Description

Features/Benefits

The IDT9ZX21201 is a 12-output DB1200Z suitable for PCI-Express

Gen3 or QPI applications. The part is backwards compatible to

PCIe Gen1 and Gen2. A fixed external feedback maintains low drift

for critical QPI applications. In bypass mode, the IDT9ZX21201 can

provide outputs up to 150MHz.

•

Space-saving 64-pin packages

Fixed feedback path/ 0ps input-to-output delay

9 Selectable SMBus Addresses/Mulitple devices can share

the same SMBus Segment

•

12 OE# pins/Hardware control of each output

PLL or bypass mode/PLL can dejitter incoming clock

100MHz or 133MHz PLL mode operation/supports PCIe

and QPI applications

Recommended Application

12-output PCIe Gen3/ QPI differential buffer for Romley and newer

platforms

•

Selectable PLL bandwidth/minimizes jitter peaking in

downstream PLL's

Key Specifications

•

Cycle-to-cycle jitter <50ps

Output-to-output skew < 65 ps

Input-to-output delay variation <50ps

PCIe Gen3 phase jitter < 1.0ps RMS

QPI 9.6GT/s 12UI phase jitter < 0.2ps RMS

Spread Spectrum Compatible/tracks spreading input clock

for low EMI

Software control of PLL Bandwidth and Bypass Settings/

PLL can dejitter incoming clock (B Rev only)

•

Output Features

•

12 - 0.7V differential HCSL output pairs

Functional Block Diagram

OE(11:0)#

DFB_OUT

Z-PLL

(SS Compatible)

DIF(11:0)

DIF_IN

DIF_IN#

HIBW_BYPM_LOBW#

100M_133M#

CKPWRGD/PD#

SMB_A0_tri

SMB_A1_tri

Logic

SMBDAT

SMBCLK

IREF

Note: Even though the feedback is fixed, DFB_OUT still needs a

termination network for the part to function.

IDT^®12-Output Differential Z-buffer for PCIe Gen2/3 and QPI

1682D - 11/19/15

12 3 4 5 6 7...17

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与9ZX21201相关器件

型号	品牌	描述	获取价格	数据表
9ZX21201AKLF	IDT	12-OUTPUT DIFFERENTIAL Z-BUFFER FOR PCIE GEN2/3 AND QPI	获取价格
9ZX21201AKLFT	IDT	12-OUTPUT DIFFERENTIAL Z-BUFFER FOR PCIE GEN2/3 AND QPI	获取价格
9ZX21201BKLF	IDT	12-OUTPUT DIFFERENTIAL Z-BUFFER FOR PCIE GEN2/3 AND QPI	获取价格
9ZX21201BKLFT	IDT	12-OUTPUT DIFFERENTIAL Z-BUFFER FOR PCIE GEN2/3 AND QPI	获取价格
9ZX21501	RENESAS	15-output DB1900Z Derivative	获取价格
9ZX21501B	IDT	15-Output Differential Zbuffer for PCIe Gen2/3 and QPI	获取价格