EP4SE820H35C3

The EP4SE820H35C3 is a Stratix IV E field-programmable gate array (FPGA) IC offering a high logic capacity and extensive on-chip memory, targeted for complex digital designs. The device is part of the Stratix IV family and is described in the Stratix IV device handbook, which highlights the family’s architecture and system-level features.

This commercial-grade, surface-mount FPGA is suited to applications that require large logic counts, significant embedded memory, and a high number of I/O connections within a compact BGA package.

Key Features

• Core Architecture  Stratix IV E device family — family-level documentation identifies architecture features such as clock networks, PLLs, and device core capabilities.
• Logic Capacity  813,050 logic elements to support large, complex designs and consolidation of multiple functions on a single device.
• Embedded Memory  Approximately 34 Mbits of on-chip RAM (34,093,056 total RAM bits) for buffering, state storage, and local data processing.
• I/O Density  744 I/O pins for broad external connectivity and peripheral interfacing.
• Package & Mounting  Surface-mount 1152-BBGA (FCBGA); supplier device package listed as 1152-HBGA (42.5×42.5) for compact board integration.
• Power  Core voltage supply range of 870 mV to 930 mV to guide power-supply design and management.
• Operating Range & Grade  Commercial grade with an operating temperature range of 0 °C to 85 °C.
• Compliance  RoHS compliant for environmental and regulatory conformance.
• Family-Level System Features  Stratix IV documentation highlights capabilities such as high-speed transceiver support, DSP/block resources, and external memory interface options at the device-family level.

Typical Applications

• High-speed communications and networking  Use the device’s large logic capacity and abundant I/O to implement protocol processing, packet handling, and custom forwarding logic.
• Data processing and acceleration  Leverage extensive logic elements and embedded memory for custom datapaths, buffering, and algorithm acceleration.
• System integration and memory interface  Suitable for designs that require complex external memory interfaces and tight integration between logic, memory, and I/O.
• Signal processing and DSP-based designs  Architectures described in the Stratix IV handbook support DSP block usage and on-chip memory for intermediate storage and streaming data operations.

Unique Advantages

• High logic density: 813,050 logic elements allow consolidation of multiple subsystems into a single FPGA, reducing board-level complexity.
• Substantial on-chip memory: Approximately 34 Mbits of embedded RAM helps minimize external memory bandwidth needs and simplifies buffering strategies.
• Extensive I/O count: 744 I/O pins enable wide peripheral and bus connectivity without additional interface devices.
• Compact, board-ready package: 1152-BBGA / 1152-HBGA (42.5×42.5) supports dense PCB layouts while keeping the solution surface-mount compatible.
• Defined power window: A narrow core supply range (870–930 mV) assists in predictable power-supply design and thermal planning.
• Documented family-level guidance: Inclusion in the Stratix IV device handbook provides architecture-level reference material for system architects and designers.

Why Choose EP4SE820H35C3?

EP4SE820H35C3 positions itself as a high-density Stratix IV E FPGA for commercial applications that need large programmable logic capacity, substantial embedded memory, and extensive I/O in a compact BGA footprint. Its documented family features make it suitable for designs that require careful system-level planning around transceivers, memory interfaces, and DSP-oriented processing.

This device is appropriate for engineering teams and system designers aiming to consolidate complex functions onto a single FPGA, reduce board-level parts count, and leverage the Stratix IV family documentation for design guidance and integration.

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