AMD XC4005XL-3PC84I

Overview

XC4005XL-3PC84I from Xilinx is a Field-Programmable Gate Array (FPGA) with 5,000 usable gates, 84-pin plastic leaded chip carrier (PLCC) package, -3 speed grade (30 ns maximum input-to-output delay), and industrial temperature range (-40°C to +100°C). It implements synchronous digital logic for embedded control, interface bridging, and glue logic replacement in legacy system upgrades.

For engineers reviewing the XC4005XL-3PC84I datasheet, pinout, applications, or equivalent options, key selection criteria include gate count, I/O count (69 user I/Os), speed grade timing, PLCC-84 mechanical compatibility, and Xilinx 4000XL family configuration architecture.

Technical Context

The XC4005XL-3PC84I belongs to the Xilinx 4000XL FPGA family, built on 0.5 µm CMOS technology with SRAM-based configuration memory. It uses a hierarchical CLB (Configurable Logic Block) architecture with four-input LUTs and flip-flops per CLB, supporting both synchronous and asynchronous logic design.

Configuration is performed via serial or parallel mode using an external PROM or microprocessor. The device supports IEEE 1149.1 JTAG boundary-scan testing and includes dedicated global clock and reset routing resources for deterministic timing closure.

Key Specifications

Pinout & Package

XC4005XL-3PC84I is housed in an 84-pin Plastic Leaded Chip Carrier (PLCC) with J-lead terminations and a 1.27 mm pitch. The package is RoHS-compliant and designed for reflow or wave soldering.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC4005XL-3PC84I, the XC4004XL-3PC84I offers lower gate count at same package and timing, while XC4005XL-3HQ100I provides more I/Os in a different footprint-neither is pin-compatible, but both serve adjacent design trade-offs in legacy Xilinx 4000XL-based systems.

Availability

XC4005XL-3PC84I is available at Aetrix Electronics and suitable for industrial control, military communications, and test equipment applications requiring stable component supply and long-term obsolescence management.

Supply support for XC4005XL-3PC84I 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

Xilinx, now part of AMD, pioneered commercial FPGA technology and developed scalable programmable logic architectures for high-reliability embedded systems.

The XC4000XL family was engineered for low-power, high-density logic replacement in industrial and aerospace applications where reprogrammability and 5 V tolerance were critical.

FAQ

What is the maximum operating frequency supported by the XC4005XL-3PC84I?

The XC4005XL-3PC84I has a -3 speed grade specifying a maximum input-to-output propagation delay of 30 ns. This translates to a theoretical maximum system clock frequency of approximately 33 MHz under ideal routing and loading conditions. Actual achievable frequency depends on design complexity, placement, and routing; timing analysis must be performed using Xilinx Foundation or Alliance software tools for the XC4005XL-3PC84I.

Does the XC4005XL-3PC84I support in-system programming?

Yes, the XC4005XL-3PC84I supports in-system programming via its JTAG port (IEEE 1149.1 compliant) and serial/parallel configuration modes. Configuration data is loaded into internal SRAM, so the XC4005XL-3PC84I requires external non-volatile storage (e.g., PROM) for power-on initialization unless actively reprogrammed by a host processor during operation.

What is the I/O voltage level compatibility of the XC4005XL-3PC84I?

The XC4005XL-3PC84I operates exclusively at 5.0 V ±5% and supports TTL/CMOS-compatible input thresholds and output drive levels. It does not support mixed-voltage I/O or 3.3 V operation. All user I/Os on the XC4005XL-3PC84I are designed for 5 V signaling, with programmable slew rate and weak pull-up resistors enabled per pin.

Is the XC4005XL-3PC84I RoHS compliant?

Yes, the XC4005XL-3PC84I is RoHS compliant and manufactured with lead-free terminations. The 84-pin PLCC package uses matte tin plating over copper alloy leads and meets EU Directive 2011/65/EU requirements. Xilinx documentation confirms RoHS status for this specific speed/package variant of the XC4005XL-3PC84I.

How many CLBs does the XC4005XL-3PC84I contain?

The XC4005XL-3PC84I contains 192 Configurable Logic Blocks (CLBs), each comprising two function generators (4-input LUTs), two storage elements (flip-flops), and associated carry and control logic. This CLB count delivers the specified 5,000 usable gates and supports up to 69 user I/Os in the PLCC-84 package configuration of the XC4005XL-3PC84I.