AX500-1FG676

The AX500-1FG676 is an Axcelerator antifuse FPGA from Microchip Technology using the AX architecture and an advanced 0.15 μm CMOS antifuse process with seven metal layers. It is a single-chip, nonvolatile programmable device designed for high-performance digital designs that require secure programming, high-speed I/O, and integrated memory and clock resources.

Targeted at applications that demand high internal performance and flexible I/O, the device delivers a combination of system-level features—PLLs, segmentable clocks, embedded SRAM/FIFO control, and dense I/O—making it suitable for communications, signal processing, and secure embedded systems.

Key Features

• Core Performance — System performance above 350 MHz and internal performance exceeding 500 MHz as specified in the Axcelerator family documentation.
• Logic Capacity — Approximately 500,000 equivalent system gates realized as 8,064 logic elements for mid-range FPGA designs.
• Embedded Memory & FIFOs — 73,728 total bits of on-chip RAM (approximately 0.074 Mbits) with embedded FIFO control logic and configurable RAM block organizations.
• I/O Flexibility — 336 user I/Os with support for multiple I/O standards including high-speed differential interfaces; LVDS capable to 700 Mb/s as noted in the family feature set. Bank-selectable mixed-voltage I/O operation is supported.
• Clocking & PLLs — Segmentable clock resources and integrated phase-locked loop(s) supporting frequency synthesis and input ranges specified for the Axcelerator family.
• Security & Test — Single-chip nonvolatile antifuse programming and FuseLock™ programming technology to protect against reverse engineering; JTAG boundary-scan support for testing.
• Package & Mounting — Surface-mount 676-BGA package; supplier device package listed as 676-FBGA (27×27) to support dense system integration.
• Power & Environmental — Core supply range 1.425 V to 1.575 V; commercial-grade operating temperature 0 °C to 70 °C; RoHS compliant.

Typical Applications

• High-speed communications — LVDS-capable I/Os and high internal clock rates enable protocol bridging, data aggregation, and serial interface handling in communications equipment.
• Signal processing — Embedded RAM/FIFO blocks and high internal performance support packet buffering, DSP pipelines, and custom acceleration tasks.
• Secure embedded systems — Antifuse nonvolatile programming combined with FuseLock™ protects intellectual property and system firmware against reverse engineering.
• Custom digital controllers — Dense I/O and integrated clock/PLL resources make the device suitable for complex, single-chip control and interface functions in embedded designs.

Unique Advantages

• High system and internal speed: Documented family performance targets (350+ MHz system, 500+ MHz internal) enable latency-sensitive designs.
• Single-chip nonvolatile solution: Antifuse technology eliminates the need for external configuration memory and simplifies boot behavior.
• Flexible, multi-standard I/Os: Bank-selectable mixed-voltage operation and support for differential and single-ended standards provide design versatility across interfaces.
• Integrated memory and FIFOs: On-chip RAM and embedded FIFO control logic reduce external memory requirements and simplify data buffering.
• Design protection and testability: FuseLock™ programming and IEEE 1149.1 JTAG boundary-scan support help secure and verify designs in production.
• Tooling and debug support: In-system diagnostic and debug capabilities (Microchip Silicon Explorer II referenced for the family) assist development and bring-up.

Why Choose AX500-1FG676?

The AX500-1FG676 combines mid-range logic capacity with high internal performance, flexible I/O, and on-chip memory in a single, nonvolatile antifuse FPGA. Its architecture and integrated features make it a practical choice for designers who need deterministic timing, secure programming, and dense I/O in communications, signal processing, and embedded controller applications.

Backed by the Axcelerator family design resources and Microchip’s development tools and diagnostics, AX500-1FG676 offers a compact, performance-oriented platform for projects that benefit from integrated PLLs, segmentable clocks, and embedded FIFO/memory resources.

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