XC4044XL-3HQ304I

The XC4044XL-3HQ304I is a field programmable gate array (FPGA) from the XC4000E/X family designed for embedded logic implementations requiring moderate gate density and a high I/O count. It provides approximately 3,800 logic elements, around 51,200 bits of on-chip RAM and 256 user I/O, making it suitable for I/O‑intensive and control-oriented designs.

Built for industrial environments, this surface-mount device supports a 3.0 V to 3.6 V supply and an operating temperature range of −40 °C to 100 °C, and is furnished in a 304‑pin BFQFP package with an exposed pad for thermal performance.

Key Features

• Core Logic  Approximately 3,800 logic elements provide the programmable fabric for implementing custom state machines, glue logic and medium-complexity digital functions.
• On‑Chip Memory  Approximately 51,200 bits of embedded RAM to support buffering, small lookup tables and local storage without external memory.
• I/O Density  256 user I/O pins to support multiple peripherals, wide buses or parallel interfaces directly on-chip.
• Gate Count  Specified at 44,000 gates to give a practical measure of available logic resources for integration and partitioning.
• Power Supply  Supports a 3.0 V to 3.6 V supply range, compatible with standard 3.3 V systems.
• Package & Mounting  304‑pin BFQFP with exposed pad (304‑PQFP 40×40) in a surface-mount form factor for robust thermal and board-level integration.
• Industrial Temperature Range  Rated for −40 °C to 100 °C operation for deployment in industrial environments.
• RoHS Compliant  Conforms to RoHS environmental requirements.

Typical Applications

• Industrial Control Systems  Use the device’s industrial temperature rating and 256 I/O for sensor interfacing, actuator control and real‑time logic in factory automation.
• Protocol Bridging and I/O Expansion  Leverage the high I/O count to implement parallel buses, protocol translators or multi‑channel interfaces on a single FPGA.
• Embedded Logic and Glue  Deploy the 3,800 logic elements and on‑chip RAM for custom glue logic, timing adaptation and small data buffering within embedded platforms.

Unique Advantages

• High I/O Capacity: 256 user I/O pins reduce the need for external I/O expanders and simplify board-level routing for multi-signal designs.
• Integrated Memory: Approximately 51,200 bits of on-chip RAM enable local buffering and lookup tables, lowering external memory dependency.
• Industrial‑Grade Temperature Range: Specified −40 °C to 100 °C operation supports deployment in harsh and temperature‑variable environments.
• Standard 3.3 V Compatibility: 3.0 V to 3.6 V supply range aligns with common 3.3 V logic domains for straightforward system integration.
• Thermally Aware Package: 304‑pin BFQFP with exposed pad facilitates thermal conduction for improved board-level thermal design.
• RoHS Compliance: Meets RoHS requirements for environmentally conscious designs.

Why Choose XC4044XL-3HQ304I?

The XC4044XL-3HQ304I delivers a balanced combination of logic capacity, embedded memory and a high I/O count in a thermally capable 304‑pin BFQFP package. Its specifications make it well suited to engineers designing industrial and I/O‑centric systems that require reliable operation across a wide temperature range.

This FPGA is an option for projects that need moderate gate density, local RAM and abundant I/O without moving to larger, more complex devices. The device’s supply and packaging characteristics support straightforward integration into existing 3.3 V designs while meeting RoHS requirements.

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