A54SX16-1TQ176I

Overview

The A54SX16-1TQ176I is a Field Programmable Gate Array from the SX-A family, featuring 24,000 system gates and 1,452 configurable logic blocks. It operates at a maximum frequency of 250 MHz with an internal performance of 350 MHz. The device utilizes 0.22 μm / 0.25 μm CMOS antifuse technology and supports mixed-voltage I/O standards including 2.5 V, 3.3 V, and 5 V. It is housed in a 176-pin Thin Quad Flat Pack (TQFP) package and is rated for industrial temperature operation ranging from -40°C to +85°C.

Feature Summary

• Supports hot-swap capabilities and power-up/down friendly operation without supply voltage sequencing requirements.
• Features deterministic timing with up to 100% resource utilization and 100% pin locking.
• Includes boundary-scan testing compliance with IEEE Standard 1149.1 (JTAG).
• Provides Actel Secure Programming Technology with FuseLock™ to prevent reverse engineering.

Applications

• High-performance digital signal processing systems
• PCI-compliant interface designs
• Complex state machine implementations

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type, speed grade, and temperature range. Ensure compatibility with existing design tools and check for any discontinuation notices or alternative component recommendations prior to procurement.

Selection Notes

Select this model for applications requiring high-density logic within a TQFP form factor. Confirm that the 176-pin count meets the I/O requirements and that the industrial temperature grade aligns with environmental constraints. Evaluate the 24,000 gate capacity against design complexity needs.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which are known for their nonvolatile antifuse technology. The SX-A series provides a single-chip solution for low-power, high-performance designs, integrating features like hot-swap I/Os and secure programming capabilities into a versatile platform.

Replacement Considerations

Consult official Microchip documentation for verified cross-reference part numbers. Ensure any substitute maintains equivalent gate density, package dimensions, and electrical characteristics to guarantee functional compatibility.

FAQ

What is the maximum operating frequency of the A54SX16-1TQ176I?

The device supports a system performance of 250 MHz and an internal performance of 350 MHz.

Does the A54SX16-1TQ176I support mixed-voltage I/O?

Yes, it supports 2.5 V, 3.3 V, and 5 V mixed-voltage operation with 5 V input tolerance and drive strength.

Is the A54SX16-1TQ176I compliant with PCI standards?

Yes, the device is 66 MHz PCI compliant.