AMD XC3S500E-4FGG320I

Overview

XC3S500E-4FGG320I from AMD (formerly Xilinx) is a Spartan-3E FPGA featuring 500,000 system gates, 11,200 logic cells, and embedded block RAM totaling 360 kbits. It operates at -4 speed grade with I/O support up to 333 MHz and is packaged in a 320-pin Fine-Pitch Ball Grid Array (FBGA). This device is used in industrial control logic and reconfigurable digital signal processing subsystems.

For engineers reviewing the XC3S500E-4FGG320I datasheet, pinout, applications, or equivalent options, key selection criteria include logic density, I/O voltage flexibility (1.2V/2.5V/3.3V), embedded RAM capacity, differential signaling support (LVDS), and thermal performance in compact PCB layouts.

Technical Context

The XC3S500E-4FGG320I implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), distributed RAM, and dedicated multipliers. It supports SelectIO technology for interfacing with multiple I/O standards including LVTTL, LVCMOS, PCI, and LVDS without external level shifters.

This device integrates eight Digital Clock Managers (DCMs) for clock synthesis, phase shifting, and duty cycle correction-enabling precise timing control across multiple clock domains in synchronous digital systems.

Key Specifications

Pinout & Package

Package: 320-pin Fine-Pitch Ball Grid Array (FBGA), 19×19 mm body, 0.8 mm pitch, RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based logic implementation applications.

Compared with XC3S400A-4FGG320I and XC3S1000-4FGG320C, the XC3S500E-4FGG320I uniquely balances industrial temperature rating, 500K-gate capacity, and 320-ball FBGA footprint-making it optimal for space-constrained, thermally demanding reconfigurable logic deployments.

Availability

XC3S500E-4FGG320I is available at Aetrix Electronics and suitable for industrial motion control, automated test equipment, and medical imaging interface applications requiring stable component supply over extended product lifecycles.

Supply support for XC3S500E-4FGG320I includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

AMD acquired Xilinx in 2022 and now develops and markets adaptive computing platforms including FPGAs, adaptive SoCs, and AI accelerators.

The Spartan-3E family was originally designed by Xilinx for cost-sensitive, high-volume applications requiring moderate logic density, low power, and flexible I/O-targeting industrial automation, consumer electronics, and communications infrastructure.

FAQ

What is the operating temperature range for XC3S500E-4FGG320I?

The XC3S500E-4FGG320I is rated for industrial temperature operation from –40°C to +100°C. This range is defined by the "I" suffix in the part number and verified per Xilinx DS312 specification. The device maintains timing compliance and configuration integrity across this full range, making XC3S500E-4FGG320I suitable for deployment in uncontrolled environmental enclosures and outdoor industrial cabinets.

Does XC3S500E-4FGG320I support JTAG boundary-scan testing?

Yes, XC3S500E-4FGG320I includes a fully IEEE 1149.1-compliant JTAG Test Access Port (TAP) controller. It supports INTEST, EXTEST, SAMPLE/PRELOAD, and BYPASS instructions, enabling board-level interconnect testing and in-system programming. This capability is integral to the device's configuration architecture and does not require external logic-critical for production test coverage of XC3S500E-4FGG320I-based assemblies.

What configuration modes are supported by XC3S500E-4FGG320I?

XC3S500E-4FGG320I supports Master Serial, Slave Serial, Slave Parallel, and Boundary Scan (JTAG) configuration modes. Configuration bitstream can be loaded from SPI flash (via PROM), microcontroller, or JTAG debugger. Mode selection is controlled by INIT_B, PROGRAM_B, and mode pins (M0–M2); all modes retain full access to XC3S500E-4FGG320I's internal logic and DCM functionality post-configuration.

Can XC3S500E-4FGG320I interface directly with 3.3 V peripherals?

Yes, XC3S500E-4FGG320I supports 3.3 V I/O signaling in dedicated I/O banks powered by VCCO = 3.3 V. Each bank is independently configurable for LVTTL or LVCMOS33 standards with programmable drive strength and slew rate control. This eliminates level-shifter components when connecting to legacy microcontrollers or sensors-direct interoperability is guaranteed for XC3S500E-4FGG320I I/O pins assigned to 3.3 V banks.

How many Digital Clock Managers (DCMs) does XC3S500E-4FGG320I contain?

XC3S500E-4FGG320I integrates eight Digital Clock Managers (DCMs). Each DCM provides frequency synthesis, phase shifting, duty cycle correction, and clock doubling capabilities. These units operate independently and support input frequencies from 12 MHz to 200 MHz, enabling XC3S500E-4FGG320I to manage multiple asynchronous clock domains simultaneously-essential for video pixel clocking, ADC sampling synchronization, and multi-rate communication protocols.