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Diodes Semiconductor Electronic Components Datasheet

PI6CG33402C Datasheet

3.3V Very-Low Power 4-Output PCIe Clock Generator

No Preview Available !

Pb
Lead-free Green
A product Line of
Diodes Incorporated
PI6CG33402C
3.3V Very-Low Power 4-Output PCIe Clock Generator With On-chip Termination
Features
ÎÎ3.3V Supply Voltage
ÎÎCrystal/CMOS Input: 25MHz
ÎÎFour Differential Low-Power HCSL Outputs with On-chip
Termination
ÎÎDefault ZOUT = 85Ω
ÎÎIndividual Output Enable
ÎÎReference CMOS Output
ÎÎProgrammable Slew Rate and Output Amplitude for each
Output
ÎÎDifferential Outputs Blocked until PLL is Locked
ÎÎSelectable 0%, -0.25%, or -0.5% Spread on Differential Outputs
ÎÎStrapping pins or SMBus for Configuration
ÎÎDifferential Output-to-Output Skew <50ps
ÎÎVery-Low Jitter Outputs
àà Differential Cycle-to-Cycle Jitter <50ps
àà PCIe Gen1/Gen2/Gen3/Gen4/Gen5 Compliant
àà CMOS REFOUT Phase Jitter
•  < 0.3ps RMS, SSC off
•  <1.5ps RMS, SSC on
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):
àà 32-lead 5mm × 5mm TQFN
Description
ThePI6CG33402Cisafour-outputvery-lowpowerPCIeGen1/Gen2/
Gen3/ Gen4/ Gen5 clock generator. It uses 25MHz crystal or CMOS
reference as an input to generate the 100MHz low-power differ-
ential HCSL outputs with on-chip terminations. The on-chip ter-
mination can save 16 external resistors and make layout easier.
An additional buffered reference output is provided to serve as a
low-noise reference for other circuitry.
It uses Diodes' proprietary PLL design to achieve very-low
jitter that meets PCIe Gen1/Gen2/Gen3/Gen4/Gen5 require-
ments. It also 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. The device also supports selectable spread-spectrum
options to reduce EMI for various applications.
Block Diagram
OE[3:0]#
REFOUT
XTAL_IN/CLK
XTAL_OUT
SCLK
SDATA
SADR
SS_SEL_TRI
PD#
OSC
PLL
SS
CTRL
LOGIC
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.
PI6CG33402C
Document Number DS42294 Rev 3-2
www.diodes.com
January 2020
1 Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PI6CG33402C Datasheet

3.3V Very-Low Power 4-Output PCIe Clock Generator

No Preview Available !

Pin Configuration
A product Line of
Diodes Incorporated
GND
XTAL_IN/CLK
XTAL_OUT
VDD_OSC
VDD_REFOUT
SADR/REFOUT
GND_REF
GND_DIG
32 31 30 29 28 27 26 25
1 24
2 23
3 22
4 21
5 20
6 GND
19
7 18
8 17
9 10 11 12 13 14 15 16
OE2#
Q2-
Q2+
VDDA
GNDA
Q1-
Q1+
OE1#
PI6CG33402C
Pin Description
Pin #
Pin Name
1, 15, 26, 30 GND
2 XTAL_IN/CLK
3 XTAL_OUT
4 VDD_OSC
5 VDD_REFOUT
6 SADR/REFOUT
7 GND_REF
8 GND_DIG
9 VDD_DIG
10 SCLK
11 SDATA
12
13
14
16, 25
OE0#
Q0+
Q0-
VDDO
Type
Power
Input
Output
Power
Power
Input/
Output
Power
CMOS
Power
Power
Input
Input/
Output
CMOS
CMOS
Input CMOS
Output
Output
Power
HCSL
HCSL
Description
Ground pin
Crystal input or CMOS reference input
Crystal output
Power supply for oscillator circuitry, nominal 3.3V
Power supply for buffered CMOS output
Latch to select SMBus Address or LVCMOS REFOUT.
This pin has an internal pulldown
Ground for REFOUT
Ground for digital circuitry
Power supply for digital circuitry, nominal 3.3V
SMBUS clock input, 3.3V tolerant
SMBUS Data line, 3.3V tolerant
Active low input for enabling Q0 pair. This pin has an internal pulldown.
1 =disable outputs, 0 = enable outputs
Differential true clock output
Differential complementary clock output
Power supply for differential outputs
PI6CG33402C
Document Number DS42294 Rev 3-2
www.diodes.com
January 2020
2 Diodes Incorporated


Part Number PI6CG33402C
Description 3.3V Very-Low Power 4-Output PCIe Clock Generator
Maker Diodes
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PI6CG33402C Datasheet PDF






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