A54SX72A-CQ208M - 108K-Gate Antifuse FPGA, 171 I/O | Microchip
MPN: A54SX72A-CQ208M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $285 | $285.00 |
| 10 | $270.75 | $2,707.50 |
| 100 | $256.5 | $25,650.00 |
| 500 | $242.25 | $121,125.00 |
| 1,000 | $228 | $228,000.00 |
Drop-in alternatives for A54SX72A-CQ208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX72A-CQ208B
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →A54SX72A-1CQ208B
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →A54SX72A-CQ208
✅ Drop-In✓ In Stock
$135 / Unit
View Datasheet →A54SX72A-CQ208M Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108,000 |
| Logic Modules (LABs) | 6036 |
| User I/O | 171 (up to 360 family max) |
| Dedicated Flip-Flops | up to 2012 |
| Max Toggle Frequency | 217 MHz |
| Process Technology | 0.25 um / 0.22 um CMOS antifuse |
| Supply Voltage | 2.25 V to 5.25 V |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3V PCI, 5V PCI |
| I/O Voltage Support | 2.5 V, 3.3 V, 5 V |
| Programming Type | One-Time Programmable (antifuse) |
| Clock Network | 4 quadrant clock inputs (CLKA-CLKD) |
| Operating Temperature | -55C to +125C (TC) |
| Package | 208-pin BFCQFP with tie bar (CQFP-208) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Base Product Number | A54SX72 |
A54SX72A-CQ208M 208-pin bfcqfp with tie bar (cqfp-208) Pin Configuration Guide
Complete pinout information for A54SX72A-CQ208M (208-pin bfcqfp with tie bar (cqfp-208) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX72A-CQ208M.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
A54SX72A-CQ208M is suitable for 6 applications: Military and Avionics Systems, Industrial Control and Automation, Communications Infrastructure, Secure Single-Chip Design Integration, Test and Measurement Equipment, Legacy 5V System Redesign and Obsolescence Bridging.
Military and Avionics Systems
The A54SX72A-CQ208M fits military and avionics designs because its -55C to +125C (TC) rating and hermetic ceramic CQFP-208 package survive thermal cycling, vibration, and humidity that defeat plastic-packaged parts. The antifuse configuration stores logic permanently in silicon, eliminating configuration-readout security concerns important in defense platforms. With 108,000 system gates and 171 user I/Os, it consolidates address decoding, bus interface, and control glue logic that previously required dozens of discrete ICs, reducing board area and solder joints. Design it in Microchip Libero with conservative 20-25% timing margin at temperature extremes, and use the quadrant clock pins CLKA-CLKD to distribute a single system clock across all four package quadrants with low skew.
Recommended
Industrial Control and Automation
In industrial controllers and PLC I/O modules, the A54SX72A-CQ208M provides single-chip integration of counter/timer arrays, motor control sequencing, and fieldbus interface logic. Its 2.25V-5.25V supply range and TTL/LVTTL/LVCMOS2/5V PCI-compatible I/Os let it interface directly with legacy 5V sensor and actuator electronics without level shifters, while the 217 MHz toggle capability comfortably handles encoder and high-speed counting tasks. The antifuse fabric is immune to configuration upsets from noisy industrial power environments - an advantage over SRAM FPGAs that can lose configuration during brownouts. The wide -55C to +125C temperature rating also covers uncooled factory-floor enclosures. Budget roughly 20% spare gates (about 22K of 108K) for field design revisions since the device is one-time programmable.
Recommended
Communications Infrastructure
The A54SX72A-CQ208M serves as backplane interface and framing glue logic in telecom and data-communication line cards. Its 108K gates implement SONET/SDH overhead processing overheads, backplane address decoding, and multi-source agreement (MSA) management interfaces, while 171 I/Os terminate wide parallel buses to PHY and framer devices. The four quadrant clock inputs (CLKA-CLKD) support clean low-skick distribution of a card's reference clock, and the 217 MHz toggle rate covers OC-3/OC-12 class parallel interfaces. The ceramic CQFP package aids thermal dissipation in high-density shelves, and the -55C to +125C range covers uncoamped outside-plant equipment. Because antifuse configuration is non-volatile and instant-on, line cards power up and pass traffic immediately without a configuration controller.
Recommended
Secure Single-Chip Design Integration
For designs where bitstream secrecy is mandatory - encryption key handling, proprietary algorithms, anti-cloning - the A54SX72A-CQ208M is a strong fit because antifuse programming elements are embedded below the metal layers and cannot be read back after programming, unlike SRAM FPGA bitstreams that are stored in external flash. The 108K-gate capacity is sufficient for AES-class block cipher cores, SHA hash engines, and authentication state machines alongside system control logic, with 171 I/Os handling host and memory interfaces at TTL/LVCMOS2/PCI levels. The -55C to +125C rating and hermetic ceramic package extend suitability to tamper-relevant and harsh deployments. Since the device is one-time programmable, verify the security design completely in Libero simulation and timing analysis before programming production units.
Recommended
Test and Measurement Equipment
Bench and automated test instruments use the A54SX72A-CQ208M as a timing-generator and pattern-executor engine. The 217 MHz toggle frequency and low-skew quadrant clocking support nanosecond-class stimulus timing, while up to 2,012 dedicated flip-flops provide wide parallel pattern storage for digital channel cards. The 5V PCI I/O compatibility allows direct connection to legacy instrument backplanes, and the 2.25V-5.25V supply simplifies integration into mixed-voltage chassis. The hermetic -55C to +125C CQFP package withstands the elevated internal temperatures of rack-mounted instruments and harsh environmental test chambers. Designers should place CQFP decoupling capacitors on all four power pin clusters and reserve roughly 20% of the 171 I/Os for diagnostic instrumentation access, since the device cannot be reprogrammed in the field.
Recommended
Legacy 5V System Redesign and Obsolescence Bridging
The A54SX72A-CQ208M is frequently used to consolidate aging PAL/GAL/ASIC glue logic in systems that must remain in production for decades - rail signaling, energy metering, and process control. Its direct 5V TTL and 5V PCI I/O acceptance lets engineers replace dozens of bipolar and CMOS SSI/MSI devices with one antifuse FPGA on a 2.25V-5.25V rail, eliminating obsolescence exposure of discrete logic while preserving existing board voltage domains. The 108K gates provide ample capacity for consolidation with headroom, and 171 I/Os map to wide legacy bus structures. Because configuration is one-time and instant-on, no microcontroller configuration loader is needed in long-life systems. The ceramic CQ208 package also supports socketed or high-reliability solder assembly practices common in legacy maintenance programs.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-CQ208M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-CQ208B | A54SX72A-1CQ208B | A54SX72A-CQ208 |
|---|---|---|---|---|
| Package | 208-CQFP (BFCQFP with tie bar) | 208-CQFP - same | 208-CQFP - same | 208-CQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 |
| User I/O | 171 | 171 | 171 | 171 |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Speed Grade | Standard | Standard | -1 (faster) | Standard |
| Operating Temperature | -55C to +125C (TC) | -55C to +125C (TC) | -55C to +125C (TC) | [DATA_NEEDED] |
| Programming Type | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) |
Key Differentiators
- Hermetic ceramic CQFP for harsh environments (vs A54SX72A-PQG208I)
- Faster speed-grade availability in same footprint (vs A54SX72A-CQ208B)
- Configuration security versus SRAM FPGAs (vs Generic SRAM-based FPGA)
Design Notes
The A54SX72A-CQ208M operates from a single 2.25V-5.25V supply, but core speed and I/O levels depend on the chosen rail. At 5V operation the I/Os meet 5V TTL/PCI levels; at 3.3V they meet LVTTL/LVCMOS2 and 3.3V PCI. Decouple the CQFP-208 power pins with a network of 0.1 uF ceramic capacitors placed at all four sides of the package plus bulk capacitance at the board entry, since antifuse FPGA switching current is distributed across many simultaneous I/O transitions. Verify worst-case ICC at maximum toggle frequency from the SX-A datasheet power estimator, not from typical quiescent values.
The 208-pin ceramic CQFP with tie bar has fine-pitch leads on four sides; use a symmetrical land pattern per the Microchip SX-A datasheet mechanical drawing and inspect with X-ray or AOI after reflow to detect lifted outer leads, the most common CQFP assembly defect. The tie bar must be trimmed after soldering per the package drawing. Assign the quadrant clock inputs CLKA-CLKD (bottom-left, bottom-right, top-left, top-right respectively per the datasheet) so that each clock serves the loads physically nearest its quadrant, minimizing on-chip skew.
Antifuse FPGAs are one-time programmable: after blowing fuses, the device cannot be erased, reprogrammed, or returned. Complete full timing closure, simulation, and pin assignment in Microchip Libero (formerly Actel Designer) before programming production units, and program one pilot device first for board-level validation. Do not assume SRAM-FPGA workflows apply - there is no configuration PROM, no reconfiguration, and no bitstream readback. Reserve 15-20% of gates and I/Os as engineering margin for unavoidable fixes.
Compliance Information
Hermetic ceramic CQFP packages may qualify for lead-based seal exemptions; RoHS/REACH status not stated in retrieved distributor snippets. Verify via Microchip environmental datasheet or distributor certificate of compliance.
