ORSO42G5-2BMN484C

The ORSO42G5-2BMN484C is an ORCA® Series 4 field programmable gate array (FPGA) with integrated high-speed backplane transceivers. Built on Lattice’s Series 4 reconfigurable embedded SoC architecture, it combines programmable logic, embedded memory, and four 0.6–2.7 Gbps SERDES channels with Clock and Data Recovery (CDR).

Targeted for high-speed backplane and SONET/SDH interface applications, the device delivers a compact, surface-mount solution with 204 user I/O in a 484-BBGA package, making it suitable for multi-board systems requiring aggregate bandwidth and protocol termination capabilities.

Key Features

• Series 4 SoC Architecture  The device is built on Lattice’s reconfigurable Series 4 embedded System-on-a-Chip architecture, providing integrated FPGA and embedded core resources.
• High‑Speed SERDES with CDR  Four integrated SERDES channels operating from 0.6 to 2.7 Gbps with built-in Clock and Data Recovery for backplane and interdevice links.
• Logic Density  Approximately 10,368 logic elements available for user designs, enabling moderate-complexity FPGA implementations.
• Embedded Memory  Approximately 0.114 Mbits (113,664 bits) of total on-chip RAM to support buffering, framing, and protocol logic.
• I/O and Package  204 user I/O signals in a 484‑BBGA (484‑FPBGA, 23 × 23) surface-mount package for dense board-level integration.
• Power and Temperature  Flexible supply range from 1.425 V to 3.6 V and commercial operating range from 0 °C to 70 °C.
• SONET/SDH Backplane Support  Built-in SONET functionality including scrambling/descrambling, streamlined framing and limited TOH handling, plus programmable logic for network termination and cell processing.
• Pin Compatibility  Pin-compatible with ORT42G5/ORT82G5 family members to ease board-level upgrades or alternate configurations.
• Standards and Compliance  RoHS-compliant construction and surface-mount package for modern assembly processes.

Typical Applications

• SONET/SDH Backplane Interfaces  Use the integrated SERDES and SONET protocol features to implement STS/STM framing, scrambling, and limited TOH handling on line cards and switch fabrics.
• High‑Speed Backplane Links  Four CDR-enabled transceiver channels enable clockless, high-throughput interdevice communication across backplanes and board-to-board connectors.
• 10 Gbps Backplane Connections  Architectures requiring a full 10 Gbps backplane data path can leverage the ORSO42G5 for aggregated high-speed channels and protocol termination.
• Custom Protocol Termination  Programmable logic and embedded memory make the device suitable for implementing proprietary framing, cell processing, and packet-over-SONET interfaces.

Unique Advantages

• Integrated High‑Speed Transceivers: Four 0.6–2.7 Gbps SERDES channels with CDR reduce external components and simplify clock domain management in multiboard systems.
• Balanced Logic and Memory: 10,368 logic elements paired with approximately 0.114 Mbits of embedded RAM support both protocol logic and data buffering on-chip.
• Compact, High‑Pin Package: 204 user I/O in a 484-BBGA footprint enables dense connectivity for complex backplane designs without a larger board footprint.
• Flexible Power Supply: Wide supply range (1.425 V to 3.6 V) accommodates varied system power architectures and I/O standards within supported ranges.
• SONET-Focused Feature Set: On-chip scrambling, framing, and limited TOH handling simplify deployment in SONET/SDH network elements and enable streamlined protocol termination.
• Design Continuity: Pin compatibility with related ORT/ORSO family devices allows design reuse and easier platform scaling.

Why Choose ORSO42G5-2BMN484C?

The ORSO42G5-2BMN484C offers a focused combination of SERDES-based high-speed connectivity and mid-range FPGA resources tailored to backplane and SONET/SDH interface designs. Its integration of CDR-enabled transceivers, on-chip memory, and over 10,000 logic elements provides a single-chip approach to protocol termination, framing, and data transport across boards and backplanes.

This commercial-grade, RoHS-compliant device is suited for system designers who need compact, surface-mount FPGA solutions with dedicated SONET features and flexible I/O in a 484-BBGA package. Its pin compatibility with family members supports platform continuity and scalable design choices.

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