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Product Detailed Parameters
- Description:IC CLK GENERATOR LVPECL 40VFQFN
- Series:FemtoClock® NG
- Package:Tray
- Mfr:Renesas Electronics Corporation
- PLL:Yes with Bypass
- Input:Crystal
- Output:LVDS, LVPECL
- Number of Circuits:1
- Ratio - Input:Output:1:06
- Differential - Input:Output:No/Yes
- Frequency - Max:156.25MHz
- Divider/Multiplier:Yes/No
- Voltage - Supply:2.375V ~ 3.465V
- Operating Temperature:-40°C ~ 85°C
- Mounting Type:Surface Mount
- Package / Case:40-VFQFN Exposed Pad
- Supplier Device Package:40-QFN (6x6)
- Type:-
- Grade:-
- Qualification:-
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Overview
The 8T49N006A-001NLGI is a programmable clock generator from the FemtoClock NG family, manufactured by Renesas Electronics. It features four selectable LVPECL or LVDS outputs and utilizes fourth-generation PLL technology for low RMS phase jitter performance. The device accepts differential input levels including LVPECL, LVDS, and HCSL, with an internal VCO range of 1.9 GHz to 2.55 GHz. It supports I2C programming and operates on full 2.5V or 3.3V power supplies within a -40°C to 85°C ambient temperature range.
Feature Summary
- Generates low RMS phase jitter clock signals using fourth-generation FemtoClock NG PLL technology
- Provides four configurable output channels selectable between LVPECL and LVDS logic levels
- Supports flexible input configurations accepting LVPECL, LVDS, or HCSL differential signals
- Enables register configuration via I2C interface for customized frequency generation
Applications
- PCI Express compliant systems requiring precise clock synthesis
- High-speed digital interfaces utilizing LVDS or LVPECL signaling
- Telecommunications equipment requiring low jitter clock distribution
- Test and measurement instruments needing stable frequency references
Procurement Notes
Verify component authenticity through authorized Renesas distributors due to potential counterfeit risks in the market. Confirm RoHS compliance status and specific package markings against official datasheets before integration. Ensure supply chain stability as availability may fluctuate based on production cycles. Request batch-specific documentation to validate manufacturing origin and quality standards.
Selection Notes
Select this component when designing systems requiring multiple differential clock outputs with strict jitter specifications. Compare against similar models like the 8T49N004I or 8T49N008I based on required output count and voltage compatibility. Evaluate I2C addressability and register map requirements for system integration. Consider thermal management needs given the operating temperature range and power supply options.
Part Context
This part belongs to the FemtoClock NG series, designed for high-performance clock generation in data communication and networking applications. It complements other Renesas timing solutions by offering programmable flexibility with industry-standard output formats. The series emphasizes low phase noise and robust jitter attenuation capabilities for sensitive digital circuits.
Replacement Considerations
Consult official Renesas documentation for confirmed substitute part numbers. Verify pinout compatibility and electrical parameter alignment before substitution. Cross-reference functional equivalents only if officially supported by the manufacturer.
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