Pb
Lead-free Green
A product Line of
Diodes Incorporated
PI6CB33802
Very-Low-Power 8-Output PCIe Clock Buffer with On-Chip Termination
Features
ÎÎ3.3V Supply Voltage
ÎÎHCSL Input: 100MHz, also supports 50MHz, 125MHz, or
133.33MHz via SMBus
ÎÎEight Differential Low-Power HCSL Outputs with On-Chip
Termination
ÎÎDefault ZOUT = 85Ω
ÎÎSpread Spectrum Tolerant
ÎÎIndividual Output Enable
ÎÎProgrammable Slew Rate and Output Amplitude for Each
Output
ÎÎDifferential Outputs Blocked until PLL is Locked
ÎÎStrapping Pins or SMBus for Configuration
ÎÎDifferential output-to-output skew <50ps
ÎÎVery low jitter outputs
Differential cycle-to-cycle jitter <50ps
PCIe Gen1/Gen2/Gen3/Gen4/Gen5 CC compliant
PCIe Gen 2 and 3 SRiS and SRnS compliant
ÎÎTotally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
ÎÎHalogen and Antimony Free. “Green” Device (Note 3)
ÎÎFor automotive applications requiring specific change control
(i.e. parts qualified to AEC-Q100/101/200, PPAP capable,
and manufactured in IATF 16949 certified facilities), please
contact us or your local Diodes representative.
https://www.diodes.com/quality/product-definitions/
ÎÎPackaging (Pb-free & Green): 48-lead 6mm × 6mm TQFN
Description
The PI6CB33802 is an eight-output very-low-power PCIe PCIe
Gen1/Gen2/Gen3/Gen4/Gen5 clock buffer. It takes a reference
input to fanout eight 100MHz low-power differential HCSL out-
puts with on-chip terminations. The on-chip termination can
save 32 external resistors and make layout easier. An individual
OE pin for each output provides easier power management.
It uses Diodes proprietary PLL design to achieve very-low jitter
that meets PCIe Gen1/Gen2/Gen3/Gen4/Gen5 requirements.
Other than PCIe 100MHz support, this device also supports
Ethernet application with 50MHz, 125MHz, and 133.33MHz via
SMBus. It provides various options, such as different slew rate
and amplitude, through SMBUS, so users can configure the de-
vice easily to get the optimized performance for their individual
boards.
Block Diagram
OE[7:0]#
IN+
IN-
PLL
SCLK
SDATA
SADR_TRI
BW_SEL_TRI
PD#
CTRL
LOGIC
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
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.
PI6CB33802
Document Number DS41289 Rev 5-2
www.diodes.com
January 2020
1 Diodes Incorporated
