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GX78474-DNT
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Product Detailed Parameters
- Description：GX78474-DNT
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Series：-
- Type：-
- Protocol：-
- Number of Drivers/Receivers：-
- Duplex：-
- Data Rate：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Receiver Hysteresis：-
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Overview
The GX78474-DNT is a quad-channel linear differential driver designed for high-speed optical communication applications. It supports data rates up to 128 Gbaud per channel, enabling 800Gbps and beyond optical modules. The device features four differential outputs with a peak-to-peak voltage of 4Vppd. It integrates SPI circuitry for DC control on a single die, suitable for advanced multi-level QAM modulation systems in metro and long-haul optical transceivers.
Feature Summary
- Supports 128 Gbaud data rates for 800Gbps optical transmission
- Integrates four channels with 4Vppd differential output capability
- Includes SPI interface for digital DC control integration
Applications
- 800Gbps and beyond advanced multi-level QAM modulation systems
- Metro and long-haul optical integrated transmitter small form factor modules
- High-bandwidth SFF optical integrated modules
Procurement Notes
Verify the specific suffix DNT indicates wafer-level packaging or die form when sourcing. Confirm pinout compatibility with target PCB layout. Ensure supply chain authorization from Renesas Electronics Corporation to guarantee component authenticity and traceability for high-reliability optical networking equipment.
Selection Notes
Select this component for designs requiring high linearity and wide bandwidth in dense wavelength division multiplexing systems. Compare against lower-speed variants like the GX76474 if 64Gbaud performance suffices. Evaluate power consumption constraints as high-speed drivers typically demand significant current. Verify thermal management requirements for the intended operating environment.
Part Context
This part belongs to Renesas' optical modulator driver family, specifically engineered for next-generation coherent optical transceivers. It complements other drivers in the series by offering higher baud rate support compared to earlier generations. The product line targets the evolving demands of data center interconnects and long-haul telecommunications infrastructure.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult Renesas Electronics Corporation directly for qualified alternatives or obsolescence notices.
