AMD XC3S100E-4CPG132C

Overview

XC3S100E-4CPG132C from AMD (formerly Xilinx) is a Spartan-3E FPGA with 100K system gates, 1728 logic cells, 128 KB of total block RAM, and configured in a 132-pin CSBGA package with 92 user I/Os. It operates at -4 speed grade (tPD = 4.5 ns) and supports 3.3V/2.5V/1.2V mixed-voltage I/O banks for industrial control and embedded interface applications.

For engineers reviewing the XC3S100E-4CPG132C datasheet, pinout, applications, or equivalent options, key selection criteria include logic density, I/O count, voltage flexibility across banks, block RAM capacity, and commercial temperature range operation.

Technical Context

The XC3S100E-4CPG132C implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), distributed RAM, and dedicated multipliers. It supports SelectIO technology enabling independent voltage assignment per I/O bank (1.2V to 3.3V) and LVCMOS/LVTTL/SSTL2/SSTL3 standards.

Configuration is performed via Master Serial mode using an external PROM or through JTAG boundary-scan. The device includes Digital Clock Managers (DCMs) for clock synthesis, phase shifting, and duty-cycle correction - supporting input frequencies from 5 MHz to 200 MHz.

Key Specifications

Pinout & Package

XC3S100E-4CPG132C is housed in a 132-ball Chip-Scale Ball Grid Array (CSBGA) package measuring 12 mm × 12 mm with 0.8 mm ball pitch. The package supports reflow soldering and provides mechanical and thermal performance appropriate for high-density PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC3S100E-4CPG132C, the XC3S200E-4CPG132C offers scalable logic density in identical packaging, while the XC3S50E-4TQG144C trades gate count and package type for lower unit cost and simpler assembly - enabling tiered design reuse across product families.

Availability

XC3S100E-4CPG132C is available at Aetrix Electronics and suitable for industrial automation, medical instrumentation, and avionics subsystems requiring stable component supply and long-term manufacturability.

Supply support for XC3S100E-4CPG132C 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 adaptive computing platforms including FPGAs, adaptive SoCs, and AI engines for data center, edge, and embedded markets.

The Spartan-3E family was designed by Xilinx as a cost-optimized, high-volume FPGA platform targeting industrial control, consumer electronics, and communications infrastructure with emphasis on low power, small footprint, and ease of integration.

FAQ

What is the maximum operating frequency supported by the XC3S100E-4CPG132C?

The XC3S100E-4CPG132C has a -4 speed grade specifying a maximum input clock frequency of 200 MHz for DCM inputs and a typical critical path delay (tPD) of 4.5 ns. Actual system clock frequency depends on design complexity, routing, and timing constraints - verified during place-and-route in Xilinx ISE software. The XC3S100E-4CPG132C does not guarantee 200 MHz across all logic paths without proper timing closure.

Does the XC3S100E-4CPG132C support JTAG programming?

Yes, the XC3S100E-4CPG132C fully supports IEEE 1149.1 JTAG boundary-scan for configuration, debugging, and in-system programming. Pins TCK, TMS, TDI, and TDO are assigned to dedicated balls and require no additional configuration. The XC3S100E-4CPG132C can be programmed via JTAG without external PROM, making it suitable for development and field updates.

Can the XC3S100E-4CPG132C operate with mixed I/O voltages on different banks?

Yes, the XC3S100E-4CPG132C supports independent VCCO supplies per I/O bank (Bank 0–2), allowing simultaneous 1.2V, 2.5V, and 3.3V signaling. Each bank's VCCO must match the connected peripheral's I/O voltage. This capability is implemented in hardware and requires no configuration bits - the XC3S100E-4CPG132C enforces voltage domain isolation at the pin level.

What configuration modes are supported by the XC3S100E-4CPG132C?

The XC3S100E-4CPG132C supports Master Serial (via external PROM), Slave Serial, Slave Parallel, and JTAG configuration modes. Master Serial is most common for production, using a Xilinx-compatible PROM (e.g., XCF02S). Configuration bitstream is loaded on power-up and stored in SRAM - the XC3S100E-4CPG132C requires reconfiguration after each power cycle unless paired with nonvolatile storage.

Is the XC3S100E-4CPG132C still in active production?

The XC3S100E-4CPG132C is listed as obsolete by AMD/Xilinx, with last-time-buy (LTB) status effective Q4 2021. Aetrix Electronics maintains legacy inventory and offers cross-reference support for migration paths. For new designs, AMD recommends the Artix-7 family - the XC3S100E-4CPG132C remains viable for repair, replacement, and sustainment programs with documented lifecycle planning.