AMD XC3S500E-4CP132I

Overview

XC3S500E-4CP132I from AMD (formerly Xilinx) is a Spartan-3E FPGA with 500,000 system gates, 11,200 logic cells, and 228 I/O pins in a 132-pin CSBGA package. It operates at -4 speed grade (tPD = 4.6 ns), supports SelectIO standards including LVCMOS, LVTTL, and PCI, and targets cost-sensitive embedded control and interface bridging applications.

For engineers reviewing the XC3S500E-4CP132I datasheet, pinout, applications, or equivalent options, key selection factors include I/O count, logic density, single-ended I/O support, -4 speed grade timing, and CSBGA thermal/mechanical characteristics for industrial PCB layouts.

Technical Context

The XC3S500E-4CP132I implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), distributed RAM, block RAM (36 Kbits), and dedicated multipliers (18×18). It uses 90 nm CMOS process technology and supports JTAG boundary-scan (IEEE 1149.1) and Master Serial configuration via external PROM.

It integrates Digital Clock Managers (DCMs) for clock synthesis, phase shifting, and duty cycle correction-supporting input frequencies from 5 MHz to 200 MHz and generating up to two independent output clocks per DCM. Configuration is volatile and requires external bitstream loading at power-up.

Key Specifications

Pinout & Package

The XC3S500E-4CP132I is housed in a 132-pin Chip Scale Ball Grid Array (CSBGA) package with 8×8 mm body size, 0.5 mm ball pitch, and standard I/O, VCCO, VCCAUX, VCCINT, and GND ball assignments per Xilinx DS312 v2.5.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based interface and control applications.

Compared with XC3S400-4PQ208I and XC3S1000-4FG320C, the XC3S500E-4CP132I delivers optimal balance of I/O count, logic density, and compact CSBGA packaging for mid-complexity industrial control designs requiring deterministic timing and mixed-voltage interfacing.

Availability

XC3S500E-4CP132I is available at Aetrix Electronics and suitable for industrial automation, automotive diagnostics, and medical sensor interface applications requiring stable component supply across extended product lifecycles.

Supply support for XC3S500E-4CP132I 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 maintains the Spartan-3E product line for legacy industrial and aerospace applications. The company specializes in adaptive computing platforms spanning FPGAs, ACAPs, and AI accelerators.

The Spartan-3E family was designed for cost-optimized, high-volume embedded control and interface bridging-emphasizing I/O flexibility, predictable timing, and long-term manufacturability over cutting-edge process nodes.

FAQ

What is the maximum operating frequency supported by the XC3S500E-4CP132I?

The XC3S500E-4CP132I supports input clock frequencies up to 200 MHz through its Digital Clock Managers (DCMs). Its -4 speed grade guarantees CLB-to-CLB propagation delay of 4.6 ns, enabling reliable synchronous operation at system clock frequencies up to approximately 125 MHz for typical register-to-register paths. Actual maximum frequency depends on design placement and routing.

Does the XC3S500E-4CP132I support differential I/O standards like LVDS?

No, the XC3S500E-4CP132I does not support true differential standards such as LVDS or RSDS. It supports only single-ended I/O standards including LVCMOS, LVTTL, PCI, and HSTL Class I. Differential signaling requires Spartan-3A or later families.

How is the XC3S500E-4CP132I configured after power-up?

The XC3S500E-4CP132I uses volatile configuration memory and requires external bitstream loading at each power cycle. Configuration modes include Master Serial (via on-board PROM), Slave Serial (controlled by external processor), or JTAG (for debugging and programming). Mode pins CONFIG_M0–M3 determine the active method.

What thermal considerations apply to the XC3S500E-4CP132I in continuous operation?

The XC3S500E-4CP132I in 132-pin CSBGA has a maximum junction temperature of 100°C and thermal resistance θJA of 32.5°C/W under standard JEDEC conditions. For continuous operation above 65°C ambient, forced airflow or copper thermal pads under the package are recommended to maintain junction temperature within specification.

Can the XC3S500E-4CP132I be reprogrammed in-system?

Yes, the XC3S500E-4CP132I supports in-system programming via JTAG (IEEE 1149.1) using standard boundary-scan tools. This allows firmware updates, debug iteration, and field reconfiguration without removing the device from the PCB. The XC3S500E-4CP132I retains full JTAG functionality regardless of configuration mode.