A3P250-FGG144I
A3P250-FGG144I - ProASIC3 FPGA 250K Gates | Microchip
The Microchip Technology A3P250-FGG144I is a ProASIC3 flash-based Field Programmable Gate Array (FPGA) with 250,000 system gates, 3K logic elements, and 36 Kbits of fabric RAM, housed in a 144-ball FBGA (13x13 mm, 1 mm pitch) package. It operates at a maximum internal frequency of 350 MHz and provides 97 user I/Os, making it a low-cost, low-power, single-chip solution for a wide range of industrial, communications, and consumer applications.
An FPGA (Field Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement custom digital logic functions. Unlike fixed-function ASICs, FPGAs offer reprogrammability, allowing designers to iterate on designs without the high NRE costs of custom silicon. The ProASIC3 family is a flash-based FPGA, meaning configuration is stored in non-volatile flash memory, providing instant-on operation and inherent security against reverse engineering. This places the A3P250-FGG144I within the hierarchy: FPGA -> programmable logic device -> integrated circuit -> semiconductor.
The A3P250-FGG144I features 250K system gates, 3K logic elements (equivalent to approximately 3,000 4-input LUTs), and 36 Kbits of fabric RAM. It supports up to 97 user I/Os, with support for multiple I/O standards including LVCMOS, LVTTL, and PCI. The device is designed for low power consumption, with a typical static power of only 0.015 W, making it suitable for battery-powered and thermally constrained applications. It also includes an on-chip 1 Kbit fabric ROM and supports optional soft ARM Cortex-M1 processor implementation, enabling system-on-chip designs.
Architecturally, the ProASIC3 FPGA uses a flash-based switch fabric, which eliminates the need for external configuration memory and provides instant-on capability. The device is reprogrammable in-system, allowing field updates and design iterations. It supports a wide operating voltage range of 1.425V to 1.575V for the core, with I/O banks configurable for 1.5V, 1.8V, 2.5V, and 3.3V. The device is available in industrial temperature grade (-40°C to +100°C), as indicated by the 'I' suffix, and is RoHS compliant.
Typical applications include industrial control systems, communications infrastructure, automotive electronics, and consumer electronics. The A3P250-FGG144I is particularly well-suited for glue logic, bus interfacing, and control plane functions where low cost and low power are critical. Its 97 I/Os and 144-ball FBGA package make it ideal for space-constrained designs requiring moderate logic density.
When designing with this device, ensure proper decoupling of the core and I/O power supplies, and follow the manufacturer's guidelines for flash programming and JTAG configuration. The device supports in-system programming via JTAG, and the flash configuration is retained even without power, eliminating the need for external boot memory.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a comprehensive resource for evaluating the A3P250-FGG144I in their designs.
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