AMD XC4005E-1PQ208C

Overview

XC4005E-1PQ208C from Xilinx is a Field-Programmable Gate Array (FPGA) with 5,000 usable gates, 208-pin Plastic Quad Flat Package (PQFP), -1 speed grade (10 ns CLB propagation delay), and commercial temperature range (0°C to 70°C). It implements synchronous digital logic in embedded control, protocol bridging, and glue-logic replacement applications.

For engineers reviewing the XC4005E-1PQ208C datasheet, pinout, applications, or equivalent options, key selection criteria include gate count, I/O count (168 user I/Os), speed grade (-1), package thermal profile, and compatibility with Xilinx Foundation Series design tools.

Technical Context

The XC4005E-1PQ208C belongs to the Xilinx XC4000E family, built on 0.5 µm CMOS technology with configurable logic blocks (CLBs), input/output blocks (IOBs), and interconnect resources. It supports SRAM-based configuration via JTAG or serial PROM and includes dedicated carry logic for arithmetic functions.

It features programmable I/O standards including LVTTL and TTL-compatible inputs, internal 3.3 V or 5 V VCCINT operation, and configurable slew rate and drive strength per IOB. Configuration memory is volatile and requires external initialization at power-up.

Key Specifications

Pinout & Package

PQ208 is a 28 × 28 mm plastic quad flat package with gull-wing leads, JEDEC MS-026 compliant, suitable for surface-mount assembly and standard PCB trace routing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC4005E-1PQ208C, the -2 variant trades 2 ns timing margin for potential cost reduction, while XCS10-PC84C offers higher gate count but lacks carry logic and requires PCB redesign due to different package and I/O structure.

Availability

XC4005E-1PQ208C is available at Aetrix Electronics and suitable for industrial control, legacy system refurbishment, and test equipment design requiring stable component supply and long-term obsolescence management.

Supply support for XC4005E-1PQ208C 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 system-level integration.

The XC4000E family was designed for cost-sensitive, medium-complexity digital logic replacement in industrial, automotive, and communications equipment with emphasis on ease of design reuse and JTAG configurability.

FAQ

What is the maximum operating frequency supported by XC4005E-1PQ208C?

The XC4005E-1PQ208C has a -1 speed grade specifying 10 ns CLB propagation delay. Maximum system clock frequency depends on design topology, but typical register-to-register paths achieve 80–100 MHz in well-optimized implementations. The actual achievable frequency must be verified using Xilinx PAR and timing analyzer tools on the specific placed-and-routed netlist for XC4005E-1PQ208C.

Does XC4005E-1PQ208C support in-system programming?

Yes, XC4005E-1PQ208C supports in-system programming via its IEEE 1149.1 JTAG interface (TCK/TMS/TDI/TDO pins). Configuration bitstream can be loaded dynamically using boundary-scan controllers or Xilinx programming cables. The device does not retain configuration after power loss, so external PROM or host processor initialization is required at boot for XC4005E-1PQ208C.

What power supply voltages are required for XC4005E-1PQ208C operation?

XC4005E-1PQ208C requires two separate supplies: VCCINT = 5.0 V ± 5% for the core logic array, and VCCO = 5.0 V (or 3.3 V if configured for LVTTL) for I/O banks. Each supply must be independently decoupled with low-ESR capacitors close to respective power pins as specified in the XC4005E-1PQ208C Hardware User Guide.

Is XC4005E-1PQ208C pin-compatible with other XC4000E family members in PQ208 package?

Yes, all XC4000E devices in the PQ208 package-including XC4005E-1PQ208C, XC4010E-1PQ208C, and XC4015E-1PQ208C-share identical pinouts and I/O banking structure. This allows direct substitution within the same footprint when gate count and speed grade requirements align, provided configuration bitstream is regenerated for the target device size.

What software tools are required to develop for XC4005E-1PQ208C?

Xilinx Foundation Series 2.x or later (including WebPACK ISE versions supporting XC4000E) is required for synthesis, mapping, place-and-route, and bitstream generation for XC4005E-1PQ208C. Programming is performed using Xilinx IMPACT or third-party JTAG tools compatible with IEEE 1149.1. Legacy schematic entry and ABEL support is also available for XC4005E-1PQ208C design flow.