XC3S700A-4FGG484I

The XC3S700A-4FGG484I is a Spartan-3A FPGA from Xilinx, featuring 700K system gates, 13,824 logic cells, and 504KB block RAM. It operates at a speed grade of -4 (moderate performance) and comes in a 484-pin Fine-Pitch Ball Grid Array (FBGA) package.
Key features include:
- Low-cost, high-performance FPGA for embedded applications.
- Integrated DSP blocks (16 multipliers) for arithmetic operations.
- Multi-voltage support (1.2V core, 3.3V/2.5V I/O).
- On-chip clock management (DCM & PLL).
- Non-volatile configuration (supports SPI flash).
Common uses: Industrial control, communications, automotive, and consumer electronics.
The -4FGG484I suffix indicates:
- -4: Speed grade.
- FGG484: FBGA package with 484 pins.
- I: Industrial temperature range (-40°C to +100°C).
A cost-effective choice for mid-range FPGA designs.

The XC3S700A-4FGG484I is a Spartan-3A FPGA. Equivalent alternatives include:
1. Spartan-3E (XC3S700E) – Similar logic capacity but different features.
2. Spartan-6 (XC6SLX75) – Newer, higher performance, but requires migration.
3. Lattice ECP3 (LFE3-70EA) – Comparable FPGA from Lattice Semiconductor.
4. Altera Cyclone III (EP3C40) – Alternative from Intel (formerly Altera).
Check pin compatibility and features before substitution.

The XC3S700A-4FGG484I is a Spartan-3A FPGA with:
- 484-pin Fine-Pitch Ball Grid Array (FBGA) package.
- Key functions:
- 6,822 logic cells, 360Kb block RAM, 8 DSP slices.
- 326 user I/O pins (supports LVCMOS, LVTTL, HSTL, and SSTL standards).
- 4 digital clock managers (DCMs) and 8 global clocks.
- Interfaces: SPI, I²C, MultiBoot support.
- -4 speed grade (moderate performance).
Designed for cost-sensitive, high-volume applications.

The XC3S700A-4FGG484I, a Spartan-3A FPGA from Xilinx, is used in:
1. Embedded Systems – For control and interfacing.
2. Industrial Automation – Motor control, PLCs, and sensors.
3. Communications – Signal processing and protocol bridging.
4. Consumer Electronics – Display controllers and multimedia devices.
5. Automotive – Infotainment and driver assistance systems.
6. Medical Devices – Portable diagnostic equipment.
Its low cost, moderate logic density (700K gates), and 484-pin BGA package make it suitable for cost-sensitive, mid-complexity designs.

The XC3S700A-4FGG484I is a Spartan-3 series FPGA from Xilinx. It comes in a 484-pin Fine-Pitch Ball Grid Array (FBGA) package (FGG484). The "I" suffix indicates an industrial-grade temperature range (-40°C to +100°C). The package is lead-free and RoHS-compliant.