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Features

  • 100ohm direct connect; saves 20 resistors and 34mm² compared to standard HCSL
  • PCIe Gen 1–5 compliance
  • 50mW typical power consumption; eliminates thermal concerns
  • OE# pins; support DIF power management
  • HCSL-compatible differential input; can be driven by common clock sources
  • Spread spectrum compatible; allows EMI reduction
  • SMBus-selectable features allow optimization to customer requirements
    • Slew rate for each output; allows tuning for various line length
    • Differential output amplitude; allows tuning for various application environments
  • 1MHz to 200MHz operating frequency
  • 3.3V tolerant SMBus interface works with legacy controllers
  • Selectable SMBus addresses; multiple devices can easily share an SMBus segment
  • Device contains default configuration; SMBus interface is not required for device operation
  • Space-saving 5mm x 5mm 32-pin VFQFPN; minimal board space

Description

The 9DBV0541 5-output 1.8V PCIe fanout clock buffer has five output enables for clock management and three selectable SMBus addresses. It has integrated terminations for direct connection to 100ohm transmission lines.

Parameters

AttributesValue
Diff. Outputs5
Diff. Output SignalingLP-HCSL
Output Freq Range (MHz)1 - 200
Diff. Inputs1
Diff. Input SignalingHCSL
Accepts Spread Spec InputYes
Power Consumption Typ (mW)45
Supply Voltage (V)1.8 - 1.8
Output TypeLP-HCSL
Diff. Termination Resistors16
Package Area (mm²)25
Battery BackupNo
Battery SealNo
CPU Supervisory Function PORNo
Crystal Frequency TrimmingNo
Frequency Out PinNo
Inputs (#)1
Input Freq (MHz)1 - 200
Divider Value1
Additive Phase Jitter Typ RMS (fs)250
FunctionFanout Buffer
Input TypeHCSL
Output Banks (#)1
Core Voltage (V)1.8
Output Voltage (V)0.8

Package Options

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
VFQFPN5.0 x 5.0 x 0.9320.5

Applications

  • Servers/High-performance computing
  • nVME storage
  • Networking
  • Accelerators
  • Industrial control

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