XC4005E-4PQ100C

The XC4005E-4PQ100C is a Field Programmable Gate Array (FPGA) IC from AMD's XC4000E/X family. It provides a compact, surface-mount programmable-logic solution with 466 logic elements, approximately 6.3 kbits of on-chip RAM, and 77 I/O pins for implementing custom digital functions.

Designed for commercial-grade applications, this device operates from a 4.75 V to 5.25 V supply and across a 0 °C to 85 °C operating range, offering a balance of integration and predictable electrical/environmental characteristics for embedded designs.

Key Features

• Logic Capacity  466 logic elements and an estimated 5,000 equivalent gates, enabling implementation of moderate-complexity logic and state machines.
• On‑Chip Memory  Approximately 6.3 kbits (6,272 bits) of embedded RAM for small data buffering, FIFOs, and control-state storage.
• I/O Resources  77 general-purpose I/O pins to interface with peripherals, buses, and custom connectors.
• Power  Single-supply operation from 4.75 V to 5.25 V simplifies power-rail planning in 5 V systems.
• Package and Mounting  100-pin BQFP package (supplier device package listed as 100‑PQFP, 20×14) in a surface-mount form factor for PCB-level integration.
• Operating Range & Grade  Commercial grade device rated for 0 °C to 85 °C operation and RoHS compliant for environmental compliance.

Typical Applications

• Embedded Control  Implement custom control logic and finite-state machines where a moderate number of logic elements and on-chip RAM are sufficient.
• Interface Bridging  Use the device’s 77 I/O pins to create custom glue logic between peripherals, buses, or legacy interfaces.
• Prototyping and Development Boards  Suitable for proof-of-concept designs that require reprogrammable logic with a compact 100-pin surface-mount footprint.

Unique Advantages

• Balanced Logic and Memory  Combines 466 logic elements with 6,272 bits of RAM to support a range of moderate-complexity functions without external memory.
• Generous I/O Count  77 I/O pins provide flexibility for multi-signal interfacing, reducing the need for external I/O expanders in many designs.
• Standard 5 V Power Domain  Operates from a 4.75 V to 5.25 V supply, making it straightforward to integrate into existing 5 V systems.
• Compact Surface-Mount Package  100-pin BQFP/PQFP package offers a space-efficient, PCB-friendly mounting option for volume production.
• Commercial Temperature Rating  Rated for 0 °C to 85 °C operation, appropriate for indoor and controlled-environment applications.
• RoHS Compliant  Meets RoHS requirements for materials, supporting regulatory compliance in many product lines.

Why Choose XC4005E-4PQ100C?

The XC4005E-4PQ100C positions itself as a compact, commercial-grade FPGA option for designs that require programmable logic, moderate embedded memory, and a significant number of I/O signals in a 100-pin surface-mount package. Its single 5 V supply range and RoHS compliance make it a pragmatic choice for products and prototypes built around conventional voltage domains.

This device is well suited to engineers and procurement teams looking for a reprogrammable logic element that balances integration and predictable operating conditions. Its combination of logic elements, on-chip RAM, and I/O makes it a practical building block for embedded control, interface bridging, and development platforms where commercial-temperature operation is acceptable.

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