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8T49N203A-006NLGI
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Product Detailed Parameters
- Description：IC TRANSLATOR UNIV FREQ 40VFQFN
- Series：FemtoClock® NG
- Package：Tray
- Mfr：Renesas Electronics Corporation
- PLL：Yes with Bypass
- Input：HCSL, LVDS, LVHSTL, LVPECL, Crystal
- Output：LVPECL
- Number of Circuits：1
- Ratio - Input:Output：3:02
- Differential - Input:Output：Yes/Yes
- Frequency - Max：156.255MHz
- 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 8T49N203A-006NLGI is a programmable clock generator from the FemtoClock NG series, manufactured by Renesas Electronics Corporation. It operates as a universal frequency translator with a 3:2 input-to-output ratio and supports differential inputs and outputs. The device accepts multiple input formats including HCSL, LVDS, LVHSTL, LVPECL, or crystals, and provides LVPECL outputs. It functions within a supply voltage range of 2.375V to 3.465V and supports a maximum frequency of 25MHz. The component is housed in a 40-VFQFN package with an exposed pad and is rated for operation between -40°C and 85°C.
Feature Summary
- Universal frequency translation with 3:2 input-to-output ratio
- Supports differential inputs (LVPECL, LVDS, HCSL, LVHSTL, Crystal) and LVPECL outputs
- Operates on 2.375V to 3.465V supply voltage
- Integrated PLL with bypass capability
Applications
- Telecom infrastructure timing
- Data communication equipment
- Industrial control systems
Procurement Notes
This component is officially discontinued and no longer manufactured. Availability is limited to existing stock from distributors. Verification of authenticity and storage history is critical due to the end-of-life status. Alternative components such as the 8T49N241 series are recommended for new designs.
Selection Notes
Designers should consider the 8T49N241 series as a direct replacement due to the discontinuation of the 8T49N203A line. Ensure that the replacement part meets the specific jitter requirements and output format needs of the application. Verify pin compatibility and register settings if migrating from the legacy part.
Part Context
The 8T49N203A belongs to the FemtoClock NG family, known for low-jitter performance. This specific model is a variant optimized for specific frequency translation ratios. It was widely used in applications requiring precise clock generation from various input sources before being phased out in favor of newer generations like the 8T49N241.
Replacement Considerations
Public confirmed substitutes include the 8T49N241-994NLGI, 8T49N241-998NLGI, and 8T49N241-999NLGI. These parts offer similar functionality within the FemtoClock NG ecosystem.
