9ZXL1530_15 datasheet(1/19 Pages) IDT

Part #	9ZXL1530

Description	15-OUTPUT DB1900Z LOW-POWER DERIVATIVE

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Manufacturer	IDT [Integrated Device Technology]

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DATASHEET

15-OUTPUT DB1900Z LOW-POWER DERIVATIVE

9ZXL1530

IDT®

15-OUTPUT DB1900Z LOW-POWER DERIVATIVE

1

9ZXL1530

REV D 112015

Description

The 9ZXL1530 is a 15-output version of the Intel DB1900Z

Differential Buffer utilizing Low-Power HCSL (LP-HCSL)

outputs to reduce power consumption more than 50% from

the original IDT9ZX21501. It is suitable for PCI-Express

Gen1/2/3 or QPI/UPI applications, and uses a fixed external

feedback to maintain low drift for demanding QPI/UPI

applications.

Recommended Application

Buffer for Romley, Grantley and Purley Servers

Key Specifications

• Cycle-to-cycle jitter: < 50ps

• Output-to-output skew: <65ps

• Input-to-output delay: Fixed at 0 ps

• Input-to-output delay variation: <50ps

• Phase jitter: PCIe Gen3 < 1ps rms

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

Features/Benefits

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

• 9 Selectable SMBus addresses; Multiple devices can

share same SMBus segment

• Separate VDDIO for outputs; allows maximum power

savings

• PLL or bypass mode; PLL can dejitter incoming clock

• Selectable PLL BW; minimizes jitter peaking in

downstream PLL's

• Spread spectrum compatible; tracks spreading input

clock for EMI reduction

• SMBus Interface; unused outputs can be disabled

• 100MHz & 133.33MHz PLL mode; Legacy QPI/UPI

support

• Differential outputs are Low/Low in power down;

Maximum power savings

Output Features

• 15 - LP-HCSL Differential Output Pairs

Block Diagram

Logic

DIF(14:0)

HIBW_BYPM_LOBW#

SMBDAT

SMBCLK

CKPWRGD/PD#

SMB_A0_tri

SMB_A1_tri

100M_133M#

Z-PLL

(SS Compatible)

FBOUT_NC

DIF_IN

DIF_IN#

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