AMD XC4005E-4TQ144I

Overview

XC4005E-4TQ144I from Xilinx is a Field-Programmable Gate Array (FPGA) with 5,000 usable gates, 144-pin TQFP package, -4 speed grade (15 ns CLB propagation delay), and commercial temperature range support. It implements synchronous logic in digital signal processing, peripheral interface bridging, and real-time control subsystems.

For engineers reviewing the XC4005E-4TQ144I datasheet, pinout, applications, or equivalent options, key selection criteria include gate count, I/O count (118 user I/Os), speed grade timing compliance, TQFP thermal and routing constraints, and legacy 5 V CMOS compatibility.

Technical Context

The XC4005E-4TQ144I belongs to the Xilinx XC4000E FPGA family, built on 0.5 µm CMOS technology. It contains 192 Configurable Logic Blocks (CLBs), each with two 3-input LUTs and flip-flops, and supports distributed RAM and shift register functions per CLB.

It uses SRAM-based configuration with external PROM or microprocessor loading, supports JTAG boundary-scan (IEEE 1149.1), and operates at 5 V supply with TTL-compatible I/Os. Configuration bitstream is volatile and requires reinitialization at power-up.

Key Specifications

Pinout & Package

TQFP-144 (Thin Quad Flat Package, 144 leads, 20 mm × 20 mm body, 0.5 mm lead pitch, exposed pad not present). Lead finish: matte tin.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC4005E-4TQ144I, the XC4005E-4PQ100I trades I/O count for compactness, while the XC4005E-5TQ144I increases speed at the cost of higher power and reduced noise margin - both require separate timing analysis and voltage rail validation.

Availability

XC4005E-4TQ144I is available at Aetrix Electronics and suitable for industrial PLC expansion, legacy bus interface bridging, and test equipment pattern generation requiring stable component supply and long-term obsolescence management.

Supply support for XC4005E-4TQ144I 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 digital systems.

The XC4000E family was designed for cost-sensitive, 5 V-based embedded control and interface applications where non-volatile configuration was not required and SRAM configurability offered design flexibility.

FAQ

What is the maximum operating frequency supported by the XC4005E-4TQ144I?

The XC4005E-4TQ144I has a -4 speed grade specifying 15 ns CLB propagation delay. Its maximum system clock frequency depends on design topology, but typical synchronous logic paths achieve 50–66 MHz. Critical paths must be verified using Xilinx Foundation or Alliance software timing analysis tools. The XC4005E-4TQ144I does not guarantee fixed-frequency operation without place-and-route optimization.

Does the XC4005E-4TQ144I support in-system programming (ISP)?

No, the XC4005E-4TQ144I does not support in-system programming. Its SRAM-based configuration is volatile and requires external serial PROM or microprocessor-controlled reconfiguration at power-up. JTAG is supported only for boundary-scan testing, not for configuration bitstream loading. The XC4005E-4TQ144I must be reloaded each time power is cycled.

Can the XC4005E-4TQ144I operate with mixed I/O voltages?

No, the XC4005E-4TQ144I uses a single 5 V supply for both core (VCCINT) and I/O (VCCO) domains. All I/Os are 5 V TTL/CMOS compatible and lack voltage translation capability. Driving or receiving 3.3 V signals directly risks overvoltage damage or logic threshold violation unless external level-shifting circuitry is used with the XC4005E-4TQ144I.

What configuration modes are supported by the XC4005E-4TQ144I?

The XC4005E-4TQ144I supports Master Serial, Slave Serial, and Slave Parallel configuration modes. Master Serial uses CCLK and DIN from an attached PROM; Slave modes rely on an external controller to drive configuration signals. JTAG is available only for boundary-scan testing - it cannot configure the XC4005E-4TQ144I.

Is the XC4005E-4TQ144I RoHS compliant?

The XC4005E-4TQ144I was manufactured prior to RoHS Directive enforcement and contains leaded solder in its TQFP package. It is not RoHS compliant. For new designs requiring RoHS compliance, consider migration to Spartan-3 or later families. Legacy programs using the XC4005E-4TQ144I may continue under exemption clauses, but the XC4005E-4TQ144I itself remains non-RoHS.