AX250-FG484

The AX250-FG484 is a commercial-grade Axcelerator antifuse FPGA from Microchip Technology based on the AX architecture. It delivers a mid-range programmable logic solution with 250,000 equivalent system gates, segmentable clocking, embedded SRAM/FIFO control logic and on-chip PLL capability.

Designed for applications that need deterministic timing, secure nonvolatile configuration and flexible mixed-voltage I/O, the device combines performance-oriented silicon with embedded memory and high-speed I/O capability in a 484-ball FPBGA package.

Key Features

• Core & Logic  250,000 equivalent system gates and 4,224 logic elements provide mid-range capacity for complex glue logic, protocol handling and state-machine implementations.
• Embedded Memory & FIFOs  55,296 bits of on-chip SRAM with programmable embedded FIFO control logic enable buffering and width-configurable read/write ports for streaming and packetized data handling.
• I/O Flexibility  248 user I/Os with bank-selectable mixed-voltage operation (1.5V, 1.8V, 2.5V, 3.3V). Supports single-ended standards (LVTTL, LVCMOS, 3.3V PCI/PCI‑X) and differential standards including LVDS and LVPECL; LVDS I/Os are capable of 700 Mb/s operation.
• Clocking & PLL  Segmentable clock resources and embedded PLLs with a 14–200 MHz input range and frequency synthesis capability up to 1 GHz for flexible clock management and clock-domain crossing strategies.
• Deterministic Timing & Debug  Deterministic, user-controllable timing supported by in-system diagnostic and debug capability (Microchip Silicon Explorer II) for predictable timing closure and post-program debugging.
• Nonvolatile, Secure Programming  Antifuse, single-chip nonvolatile solution manufactured on a 0.15 μm CMOS antifuse process with FuseLock programming technology to protect against reverse engineering and design theft.
• Power & Package  Core supply range 1.425 V to 1.575 V (nominal 1.5 V) and commercial operating temperature 0 °C to 70 °C. Supplied in a 484-FPBGA (23 × 23) / 484-BGA package for surface-mount board integration.
• Standards & Compliance  RoHS-compliant manufacturing and footprint-compatible packaging options for consistent assembly and regulatory compliance.

Typical Applications

• High-speed serial links  LVDS-capable I/Os (700 Mb/s) and programmable PLLs enable implementation of high-speed differential interfaces and data link endpoints.
• Streaming and buffering  On-chip SRAM and embedded FIFO control logic provide local buffering for data streaming, packet buffering or interface width conversion.
• Mixed-voltage integration  Bank-selectable mixed-voltage I/Os support bridging and protocol translation between 1.5V, 1.8V, 2.5V and 3.3V domains on a single device.
• Secure, nonvolatile logic  Antifuse, single-chip nonvolatile configuration and FuseLock technology make the device suitable for designs that require a secure, permanently programmed logic element.

Unique Advantages

• Highly integrated mid-range capacity: 250,000 equivalent system gates with 4,224 logic elements and 248 I/Os reduce external glue logic and simplify board-level design.
• On-chip memory with FIFO control: 55,296 bits of embedded SRAM and programmable FIFO logic enable efficient local data handling without external RAM.
• Flexible, multi-standard I/Os: Bank-selectable I/O voltages and broad support for single-ended and differential standards ease integration across multiple interface types.
• Secure, nonvolatile programming: Antifuse architecture combined with FuseLock safeguards IP and eliminates the need for external configuration memory.
• Deterministic timing and debug: User-controllable timing and in-system diagnostic capability support predictable performance and streamlined debugging.
• Commercial-grade, board-ready package: 484-FPBGA (23 × 23) surface-mount package and RoHS compliance facilitate volume assembly for commercial applications.

Why Choose AX250-FG484?

The AX250-FG484 occupies a capability sweet spot for mid-range FPGA designs that require a balance of logic capacity, on-chip memory and flexible, high-speed I/O. Its antifuse, single-chip nonvolatile architecture and FuseLock programming provide a secure, permanent configuration option while embedded PLLs and deterministic timing support performance-sensitive designs.

Choose this device if your design demands a commercial-grade FPGA with 250k gates, extensive mixed-voltage I/O, integrated SRAM/FIFO control and board-ready 484-FPBGA packaging—backed by Microchip’s Axcelerator architecture and the diagnostic features documented in the product datasheet.

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