Datasheet > 9ZXL1251AKLFT

9ZXL1251AKLFT

更新时间： 2022-02-26 10:46:18

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
20页	378K
描述
12-output DB1200ZL Derivative with Integrated 85ohm Terminations

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9ZXL1251AKLFT 数据手册

12-output DB1200ZL Derivative with

Integrated 85Ω Terminations

9ZXL1251

DATASHEET

General Description

Features/Benefits

The 9ZXL1251 meets the demanding requirements of the

Intel DB1200ZL specification, including the critical low-drift

requirements of Intel CPUs. It is pin compatible to the

9ZXL1231 and integrates 24 termination resistors, saving

• 85Ω Low-power push-pull HCSL outputs; eliminate 24

resistors, save 41mm of area

• Pin compatible to 9ZX21201 and 9ZXL1231; easy path to

power and area savings

41mm board area.

• Space-saving 64-pin VFQFPN package

• Fixed feedback path for 0ps input-to-output delay

• 9 Selectable SMBus Addresses; multiple devices can

share the same SMBus Segment

Recommended Application

Buffer for Romley, Grantley and Purley Servers, solid state

storage and PCIe

• 12 OE# pins; hardware control of each output

• PLL or bypass mode; supports common and separate clock

architectures

Output Features

• 12 LP-HCSL Output Pairs w/integrated terminations (Zo =

85Ω)

• Selectable PLL bandwidth; minimizes jitter peaking in

downstream PLL's

• Spread Spectrum Compatible; tracks spreading input clock

for low EMI

Key Specifications

• Cycle-to-cycle jitter <50ps

• -40°C to +85°C device available; supports demanding

environmental applications

• Output-to-output skew <50ps

• Input-to-output delay variation <50ps

• PCIe Gen3 phase jitter <1.0ps RMS

• Phase jitter: QPI/UPI >=9.6GB/s <0.2ps rms

Block Diagram

OE(11:0)#

DFB_OUT_NC

Z-PLL

(SS Compatible)

DIF_IN

DIF_IN#

DIF(11:0)

HIBW_BYPM_LOBW#

100M_133M#

CKPWRGD/PD#

SMB_A0_tri

Logic

SMB_A1_tri

SMBDAT

SMBCLK

9ZXL1251 REVISION B 11/20/15

12 3 4 5 6 7...20

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与9ZXL1251AKLFT相关器件

型号	品牌	描述	获取价格	数据表
9ZXL1251E	IDT	12-Output DB1200ZL for PCIe Gen1â4 and UPI	获取价格
9ZXL1251E	RENESAS	12-Output DB1200ZL PCIe Clock Clock Buffer	获取价格
9ZXL1251EKILF	IDT	12-Output DB1200ZL for PCIe Gen1â4 and UPI	获取价格
9ZXL1251EKILFT	IDT	12-Output DB1200ZL for PCIe Gen1â4 and UPI	获取价格
9ZXL1252E	RENESAS	12-Output DB1200ZL PCIe Clock Clock Buffer with SMBus Write Protection	获取价格
9ZXL1252EKILF	IDT	12-Output DB1200ZL Derivative for PCIe Gen1â	获取价格