A Product Line of
Diodes Incorporated
b
P
Lead-free Green
PI6CB33402
Very Low Power 4-Output PCIe Clock Buffer With On-Chip Termination
Description
Features
yꢀ3.3V Supply Voltage
yꢀHCSL Input: 100MHz, also Support 50MHz, 125MHz or
133.33MHz via SMBus
yꢀ4 Differential Low Power HCSL Outputs with On-Chip
Termination
e DIODES PI6CB33402 is a 4-output very low power PCIe®
Gen 1/Gen 2/Gen 3/Gen 4/Gen 5 clock buffer. It takes a refer-
ence input to fanout four 100MHz low power differential HCSL
outputs with on-chip terminations. e on-chip termination can
save 16 external resistors and make layout easier. Individual OE
pin for each output provides easier power management.
yꢀDefault Z
= 85Ω
OUT
yꢀSpread Spectrum Tolerant
It uses Diodes proprietary PLL design to achieve very low jitter
that meets PCIe Gen 1/Gen 2/Gen 3/Gen 4/Gen 5 requirements.
Other than PCIe 100MHz support, this device also support Eth-
ernet application with 50MHz, 125MHz and 133.33MHz via
SMBus. It provides various options such as different slew rate and
amplitude through SMBUS so that users can configure the de-
vice easily to get the optimized performance for their individual
boards.
yꢀIndividual Output Enable
yꢀProgrammable Slew Rate and Output Amplitude for each
Output
yꢀDifferential Outputs Blocked Until PLL is Locked
yꢀStrapping Pins or SMBus for Configuration
yꢀDifferential Output-to-Output Skew <50ps
yꢀVery Low Jitter Outputs
àꢀDifferential Cycle-to-Cycle Jitter <50ps
àꢀPCIe Gen 1/Gen 2/Gen3 /Gen 4/Gen 5 CC Compliant
àꢀPCIe Gen 2 and 3 SRiS and SRnS Compliant
yꢀTotally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
yꢀHalogen and Antimony Free. “Green” Device (Note 3)
yꢀFor automotive applications requiring specific change control
(i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable,
and manufactured in IATF 16949 certified facilities), please
contact us or your local Diodes representative.
https://www.diodes.com/quality/product-definitions/
yꢀPackaging (Pb-free & Green):
Block Diagram
OE[3:0]#
Q3
Q2
IN+
PLL
IN-
Q1
Q0
àꢀ32-lead 5×5mm TQFN
SCLK
SDATA
SADR_TRI
CTRL
BW_SEL_TRI
LOGIC
PD#
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm
antimony compounds.
www.diodes.com
© 2023 Copyright Diodes Incorporated. All Rights Reserved.
September 2023
PI6CB33402
Document Number DS41293 Rev 7-2
1