9DBV0241_16 Datasheet, PDF (1/17 Pages) Integrated Device Technology – 2-Output 1.8V PCIe Gen1/2/3 Zero Delay

2-Output 1.8V PCIe Gen1/2/3 Zero Delay /
Fanout Buffer with Zo=100ohms
9DBV0241
DATASHEET
Description
The 9DBV0241 is a member of IDT's 1.8V Very-Low-Power
(VLP) PCIe family. The device has 2 output enables for clock
management.
Recommended Application
1.8V PCIe Gen1/2/3 Zero-Delay/Fan-out Buffer (ZDB/FOB)
Output Features
• 2 - 1-200MHz Low-Power (LP) HCSL DIF pairs w/ZO=100Ω
Key Specifications
• DIF cycle-to-cycle jitter <50ps
• DIF output-to-output skew <50ps
• DIF additive phase jitter is <100fs rms for PCIe Gen3
• DIF additive phase jitter <300fs rms (12k-20MHz)
Block Diagram
Features/Benefits
• LP-HCSL outputs with Zo=100; saves 8 resistors
compared to standard HCSL outputs
• 35mW typical power consumption in PLL mode; reduced
thermal concerns
• Spread Spectrum (SS) compatible; allows use of SS for
EMI reduction
• OE# pins; support DIF power management
• HCSL compatible differential input; can be driven by
common clock sources
• SMBus-selectable features; optimize signal integrity to
application
• slew rate for each output
• differential output amplitude
• Pin/software selectable PLL bandwidth and PLL Bypass;
optimize PLL to application
• Outputs blocked until PLL is locked; clean system start-up
• Device contains default configuration; SMBus interface not
required for device control
• 3.3V tolerant SMBus interface; works with legacy
controllers
• Space saving 24-pin 4x4mm VFQFPN; minimal board
space
vOE(1:0)#
2
CLK_IN
CLK_IN#
SS-
Compatible
PLL
DIF1
DIF0
^vHIBW_BYPM_LOBW#
^CKPWRGD_PD#
SDATA_3.3
SCLK_3.3
CONTROL
LOGIC
9DBV0241 REVISION F 04/28/16
1
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