A54SX32-CQ208M

The A54SX32-CQ208M is a HiRel SX-A family field programmable gate array (FPGA) supplied by Microchip Technology, offered in a 208-pin ceramic CQFP package with tie bar. Designed for military-temperature environments, this device provides a mid-density FPGA fabric with deterministic timing and secure programming features for rugged embedded and defense applications.

Core capabilities include 2,880 logic elements (combinatorial cells) delivering approximately 48,000 system gates, 174 user I/O pins, and flexible mixed-voltage I/O support across a 3 V to 5.5 V supply range—allowing direct interfacing to common 3.3 V and 5 V systems.

Key Features

• Logic Capacity  2,880 logic elements (combinatorial cells) providing approximately 48,000 system gates for mid-range FPGA designs.
• User I/O  174 user-programmable I/O pins (package-dependent), configurable for mixed 2.5 V, 3.3 V, and 5 V operation with 5 V input tolerance noted in the family datasheet.
• Performance  HiRel SX-A family performance metrics include up to 215 MHz system performance and 5.3 ns clock-to-out timing at military temperature grades (as specified for the family).
• Voltage and Power  Wide supply range: 3 V to 5.5 V, enabling compatibility with common system rails and mixed-voltage designs.
• Packaging & Mounting  208-BFCQFP ceramic quad flat pack with tie bar; surface-mount mounting type. Supplier device package listed as 208-CQFP (75×75).
• Temperature & Grade  Military-grade device with operating temperature range of −55 °C to +125 °C and QML/Class B level screening and test flow described for the HiRel family.
• Security & Test  Family-level features include Actel Secure Programming Technology (FuseLock) to prevent reverse engineering and design theft, plus IEEE 1149.1 (JTAG) boundary-scan testing support.
• On-Chip Memory  Total on-chip RAM: 0 bits (no embedded RAM on this device).
• Standards & Compatibility  HiRel SX-A family notes 33 MHz PCI compliance and configurable I/O support for LVTTL/TTL and PCI signaling (as documented in the family datasheet).
• Environmental Compliance  RoHS compliant.

Typical Applications

• Military & Aerospace Systems  Use in mission-critical embedded designs that require military temperature operation and QML/Class B screening.
• Secure Communications & Cryptography  Deploy where secure in-system programming and protection against reverse engineering are required.
• Interface Bridging & Legacy Bus Support  Implement PCI-interface logic and mixed-voltage I/O buffering for systems that require 3.3 V/5 V interoperability.
• Deterministic Logic and Control  Suitable for control-plane logic, protocol conversion, and timing-sensitive finite-state machines that require deterministic, user-controllable timing.

Unique Advantages

• Military-grade Qualification: The device is specified for −55 °C to +125 °C operation and follows the HiRel SX-A family QML/Class B test flow for high-reliability applications.
• Deterministic Performance: Family-level timing metrics (up to 215 MHz system performance and 5.3 ns clock-to-out at military temperatures) support time-critical embedded logic designs.
• Flexible Mixed-Voltage I/O: Configurable I/O and wide supply range (3 V–5.5 V) simplify interfacing to both 3.3 V and 5 V subsystems without external level shifters.
• Hardware Security: Secure programming technology (FuseLock) and JTAG boundary-scan provide design protection and in-system test/diagnostic capability.
• Package Options for Rugged Systems: Ceramic CQFP 208-pin package with tie bar and surface-mount mounting support high-reliability board assemblies.
• RoHS Compliant: Meets RoHS requirements for environmental compliance.

Why Choose A54SX32-CQ208M?

The A54SX32-CQ208M combines a mid-density logic fabric with military-grade screening and secure programming features from the HiRel SX-A family, making it a practical choice for rugged embedded and defense applications that need deterministic timing, flexible I/O, and long-term reliability. Its package and electrical characteristics are tailored for systems operating across common 3.3 V and 5 V domains while meeting stringent temperature and screening requirements.

This device is suited for engineering teams designing mission-critical control, interface, and secure-logic functions where predictable timing, hardware-level security, and military-temperature qualification are required. The combination of logic capacity, user I/O count, and family-proven features provides a clear upgrade path within the HiRel SX-A product family.

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