9DB803DFILFT datasheet(1/23 Pages) RENESAS

Il numero della parte	9DB803DFILFT

Spiegazioni elettronici	EIGHT OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1 AND GEN2

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DATASHEET

EIGHT OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1 AND GEN2

ICS9DB803D

IDT®

EIGHT OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1 AND GEN2

1

ICS9DB803D

REV N 071013

General Description

The ICS9DB803D is compatible with the Intel DB800v2

Differential Buffer Specification. This buffer provides 8

PCI-Express Gen2 clocks. The ICS9DB803D is driven by a

differential output pair from a CK410B+, CK505 or CK509B

main clock generator.

Recommended Application

DB800v2 compatible part with PCIe Gen1 and Gen2

Support

Output Features

• 8 - 0.7V current-mode differential output pairs

• Supports zero delay buffer mode and fanout mode

• Bandwidth programming available

• 50-100 MHz operation in PLL mode

• 50-400 MHz operation in Bypass mode

Features/Benefits

• Spread spectrum modulation tolerant, 0 to -0.5% down

spread and +/- 0.25% center spread

• Supports undriven differential outputs in PD# and

SRC_STOP# modes for power management

Key Specifications

• Outputs cycle-cycle jitter < 50ps

• Output to Output skew <50ps

• Phase jitter: PCIe Gen1 < 86ps peak to peak

• Phase jitter: PCIe Gen2 < 3.0/3.1ps rms

Functional Block Diagram

Note: Polarities shown are for OE_INV=0.

ST OP

LOGIC

SRC _IN

SRC _IN #

D IF(7:0))

CONT R OL

LOGIC

BYPASS#/PLL

SDAT A

SCLK

PD#

SPR EAD

COM PAT IBLE

PLL

8

IREF

OE_(7:0)

8

LOC K

SRC _ST OP#

HIGH_BW #

M

U

X

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