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9ZXL1251AKLFT Renesas 9ZXL1251AKLFT is an application specific clock/timing IC with PLL, 1:12 fanout, LP-HCSL output, and 150 MHz maximum frequency. It operates from 3.135V to 3.465V and is rated for -40°C to 85°C.
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9ZXL1251AKLFT

Available from 1 distributors
Mfr Name: Renesas
Renesas
Renesas 9ZXL1251AKLFT is an application specific clock/timing IC with PLL, 1:12 fanout, LP-HCSL output, and 150 MHz maximum frequency. It operates from 3.135V to 3.465V and is rated for -40°C to 85°C.
✓ Total Stock: 301 pcs

9ZXL1251AKLFT Available from 1 distributor

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9ZXL1251AKLFT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Differential
Frequency
Input
Main Purpose
Mounting Type
Number of Circuits
Operating Temperature
Output
PLL
Ratio
Supplier Device Package
Voltage
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9ZXL1251AKLFT Description

Short technical summary and product information.

The Renesas 9ZXL1251AKLFT is an application specific clock/timing integrated circuit designed for Intel QPI and PCI Express (PCIe) systems. It features an integrated PLL and provides a 1:12 fanout from a single HCSL input to twelve LP-HCSL outputs, supporting differential signaling on both input and output.

 

Key electrical specifications include a maximum frequency of 150 MHz, a supply voltage range of 3.135V to 3.465V, and an operating temperature range of -40°C to 85°C (TA). The device is housed in a 64-VFQFN Exposed Pad package (9x9 mm, 0.50 mm pitch) and is designed for surface mount assembly.

 

This component is suitable for clock distribution in high-speed digital systems requiring low-power HCSL signaling. The LP-HCSL output standard reduces power consumption compared to traditional HCSL while maintaining signal integrity for PCIe and QPI interfaces.

9ZXL1251AKLFT Quick Information

Product Type: Application Specific Clock/Timing IC
Canonical Name: Renesas 9ZXL1251AKLFT Application Specific Clock/Timing IC
Subcategory: Clock Buffer / Fanout

9ZXL1251AKLFT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

9ZXL1251AKLFT Features

  • Integrated PLL for jitter cleaning.
  • 1:12 fanout from single HCSL input.
  • LP-HCSL outputs for low power consumption.
  • 150 MHz maximum operating frequency.
  • Wide supply range 3.135V to 3.465V.

9ZXL1251AKLFT Applications

  • Intel QPI clock distribution.
  • PCI Express (PCIe) reference clock fanout.
  • High-speed server and networking systems.
  • Low-power HCSL clock tree designs.

9ZXL1251AKLFT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum frequency of the 9ZXL1251AKLFT?

The maximum frequency is 150 MHz.

What is the supply voltage range for this device?

The supply voltage range is 3.135V to 3.465V.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C (TA).

What package does the 9ZXL1251AKLFT come in?

It comes in a 64-VFQFN Exposed Pad package (64-VFQFPN 9x9 mm).

Is the 9ZXL1251AKLFT RoHS compliant?

The device is listed as RoHS3 Compliant (unverified).

What is the input and output logic standard?

Input is HCSL; output is LP-HCSL.

What is the fanout ratio of this clock buffer?

The fanout ratio is 1:12 (one input to twelve outputs).

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