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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series FemtoClock® NG
Packaging |
Type -
PLL Yes with Bypass
Input LVCMOS, LVDS, LVHSTL, LVPECL, Crystal
Output HCSL, LVCMOS, LVDS, LVPECL
Number of Circuits 1
Ratio - Input:Output 3:4
Differential - Input:Output Yes/Yes
Frequency - Max 1GHz
Divider/Multiplier Yes/No
Voltage - Supply 2.375V ~ 3.465V
Operating Temperature -40°C ~ 85°C
Grade -
Qualification -
Mounting Type -
Package / Case -
Supplier Device Package -
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Renesas 8T49N242NLGI is a high-performance clock generator featuring a PLL with bypass capability, supporting frequencies up to 1GHz. It accepts a wide range of input types including LVCMOS, LVDS, LVHSTL, LVPECL, and Crystal, and provides outputs in HCSL, LVCMOS, LVDS, and LVPECL formats. This single-circuit device operates across -40°C to 85°C, making it suitable for demanding industrial and telecom applications requiring flexible, high-speed clock synthesis.

  • PLL with Bypass: Offers flexibility to use the PLL for frequency multiplication or bypass it for direct clock distribution, adapting to various design requirements.
  • 1GHz Maximum Frequency: Supports the highest-speed interfaces and processors, future-proofing designs for next-generation systems.
  • Multiple Input/Output Types: Compatible with LVCMOS, LVDS, LVHSTL, LVPECL, HCSL, and Crystal, simplifying integration with diverse logic families.
  • Wide Temperature Range (-40°C to 85°C): Ensures reliable operation in industrial, automotive, and outdoor telecom environments.

High-Speed Networking Timing

The 8T49N242NLGI, with its 1GHz capability and multiple output types (HCSL, LVDS, LVPECL), is ideal for generating clocks for 100GbE switches and routers, providing the precise timing needed for SerDes interfaces.

Telecom Infrastructure

For 5G base stations and optical transport equipment, this clock generator can synthesize high-frequency clocks from a crystal or LVCMOS reference, supporting jitter-sensitive PLLs in line cards.

Data Center Servers

The device can generate multiple clock frequencies for CPU, memory, and I/O controllers, with its flexible output types (LVDS, HCSL) ensuring compatibility with various high-speed bus standards.

Broadcast Video Synchronization

In professional video production, the 1GHz output can be divided down to generate pixel clocks and sync signals for 4K/8K cameras and switchers, ensuring frame-accurate timing.

Aerospace and Defense Systems

With its wide temperature range and multiple input options (including LVHSTL and LVPECL), this clock generator can provide reliable timing for radar and avionics systems operating in extreme conditions.

FPGA and ASIC Prototyping

The versatile output types and PLL bypass feature make it an excellent choice for prototyping boards, allowing designers to test different clocking schemes without changing hardware.

Q: What type of device is the 8T49N242NLGI?
A: It is a clock generator IC from Renesas Electronics, designed for high-performance frequency synthesis and distribution.
Q: Does the 8T49N242NLGI include a PLL?
A: Yes, it includes a PLL with bypass capability, allowing flexible operation either with or without PLL-based frequency multiplication.
Q: What are the input and output types?
A: Inputs support LVCMOS, LVDS, LVHSTL, LVPECL, and Crystal. Outputs support HCSL, LVCMOS, LVDS, and LVPECL, providing broad interface compatibility.
Q: How many circuits does it have and what is the maximum frequency?
A: It has 1 circuit and supports a maximum frequency of 1GHz, suitable for high-speed applications.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C, suitable for industrial environments.
Q: What package is the 8T49N242NLGI available in?
A: Package information is not specified in the provided data.
Base Product Number : 8T49N242NLGI
1 Circuit 1GHz Clock Generator Frequency Synthesizer HCSL LVCMOS LVDS LVPECL PLL Renesas
Q: What type of device is the 8T49N242NLGI?
A: It is a clock generator IC from Renesas Electronics, designed for high-performance frequency synthesis and distribution.
Q: Does the 8T49N242NLGI include a PLL?
A: Yes, it includes a PLL with bypass capability, allowing flexible operation either with or without PLL-based frequency multiplication.
Q: What are the input and output types?
A: Inputs support LVCMOS, LVDS, LVHSTL, LVPECL, and Crystal. Outputs support HCSL, LVCMOS, LVDS, and LVPECL, providing broad interface compatibility.
Q: How many circuits does it have and what is the maximum frequency?
A: It has 1 circuit and supports a maximum frequency of 1GHz, suitable for high-speed applications.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C, suitable for industrial environments.
Q: What package is the 8T49N242NLGI available in?
A: Package information is not specified in the provided data.