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9FGV0441 fiches techniques PDF

IDT - 4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR

Numéro de référence 9FGV0441
Description 4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR
Fabricant IDT 
Logo IDT 





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9FGV0441 fiche technique
4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR
DATASHEET
9FGV0441
Description
The 9FGV0441 is an 4-output very low power clock
generator for PCIe Gen1-2-3 applications with integrated
output terminations providing Zo=100. The device has 4
output enables for clock management and supports 2
different spread spectrum levels in addition to spread off.
Recommended Application
PCIe Gen1-2-3 Clock Generator
Output Features
4 - 0.7V low-power HCSL-compatible (LP-HCSL) DIF
pairs w/Zo=100
1 - 1.8V LVCMOS REF output w/ Wake-On-Lan (WOL)
support
Key Specifications
DIF cycle-to-cycle jitter <50ps
DIF output-to-output skew <50ps
DIF phase jitter is PCIe Gen1-2-3 compliant
REF phase jitter is < 1.5ps RMS
Block Diagram
Features/Benefits
Integrated terminations provide 100differential Zo;
reduced component count and board space
1.8V operation; reduced power consumption
OE# pins; support DIF power management
LP-HCSL differential clock outputs; reduced power and
board space
Programmable Slew rate for each output; allows tuning
for various line lengths
Programmable output amplitude; allows tuning for
various application environments
DIF outputs blocked until PLL is locked; clean system
start-up
Selectable 0%, -0.25% or -0.5% spread on DIF outputs;
reduces EMI
External 25MHz crystal; supports tight ppm with 0 ppm
synthesis error
Configuration can be accomplished with strapping pins;
SMBus interface not required for device control
3.3V tolerant SMBus interface works with legacy
controllers
Space saving 32-pin 5x5 mm VFQFPN; minimal board
space
Selectable SMBus addresses; multiple devices can
easily share an SMBus segment
X1_25
X2
OE(3:0)#
OSC
REF1.8
SS Capable PLL
4
DIF(3:0)
SADR
SS_EN_tri
CKPWRGD_PD#
SDATA_3.3
SCLK_3.3
CONTROL
LOGIC
IDT® 4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR
1
9FGV0441
REV D 072413

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