EP1S40B956C5

The EP1S40B956C5 is a Stratix® Field Programmable Gate Array (FPGA) IC from Altera, delivered in a 956-BBGA FCBGA surface-mount package. It provides a combination of programmable logic, on-chip memory, and a high I/O count for designs that require significant integration in a compact form factor.

With 41,250 logic elements, approximately 3.42 Mbits of embedded RAM, and 683 user I/Os, this commercial-grade FPGA targets applications that need dense logic capacity, substantial embedded memory, and extensive interfacing while operating at standard commercial temperatures.

Key Features

• Core Logic 41,250 logic elements for implementing complex combinational and sequential logic functions.
• Embedded Memory Approximately 3.42 Mbits of on-chip RAM to support buffering, tables, and local data storage without external memory.
• I/O Capacity 683 user I/Os to support wide parallel interfaces, multi-channel connectivity, and high pin-count system integration.
• Power Supply voltage range of 1.425 V to 1.575 V to match platform power rails and system design requirements.
• Package & Mounting 956-BBGA (40 × 40) flip-chip BGA in a surface-mount configuration for compact board-level implementation.
• Operating Conditions Commercial temperature grade with an operating range of 0 °C to 85 °C and RoHS compliance for regulatory and manufacturing alignment.

Typical Applications

• High-density I/O systems — Deploy where numerous external interfaces are required; the 683 I/Os enable wide parallel buses and multiple peripheral connections.
• Embedded memory buffering — Use the approximately 3.42 Mbits of on-chip RAM for packet buffering, lookup tables, and temporary data storage without immediate external memory.
• Custom logic integration — Implement custom protocol handling, glue logic, and system-level integration using 41,250 logic elements to consolidate discrete functions.

Unique Advantages

• Large logic capacity: 41,250 logic elements provide room to implement substantial custom logic and state machines on-chip.
• Significant embedded memory: Approximately 3.42 Mbits of RAM reduces reliance on external memory for many buffering and data-storage tasks.
• High I/O density: 683 user I/Os support complex interfacing requirements and multi-channel connectivity without additional I/O expanders.
• Compact FCBGA package: The 956-BBGA (40 × 40) package enables a small board footprint while maintaining high pin count for system integration.
• Commercial temperature and RoHS compliant: Rated 0 °C to 85 °C and RoHS-compliant to meet common commercial product and manufacturing requirements.
• Defined supply range: Operates from 1.425 V to 1.575 V to align with platform power designs.

Why Choose EP1S40B956C5?

The EP1S40B956C5 balances substantial programmable logic, embedded memory, and extensive I/O in a compact FCBGA package, making it suitable for designs that require high integration without a large PCB footprint. Its commercial-grade operating range and RoHS compliance make it appropriate for a wide range of commercial electronics and system integration projects.

This FPGA is well suited for engineers and procurement teams seeking a single-device solution to consolidate custom logic, interface requirements, and on-chip data storage while maintaining a defined supply voltage and package profile.

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