A54SX72A-1CQ208M - 108K Gate Antifuse FPGA, 208-CQFP | Microchip
MPN: A54SX72A-1CQ208M ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for A54SX72A-1CQ208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-CQ208M
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$228 / Unit
View Datasheet →A54SX72A-CQ208B
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View Datasheet →A54SX72A-CQ208
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$135 / Unit
View Datasheet →A54SX72A-1CQ208M Maximum Ratings & Electrical Characteristics
| System Gates | 108000 |
| Logic Modules (LABs/CLBs) | 6036 |
| User I/O | 171 |
| System Performance | 250 MHz |
| Internal Clock Performance | 350 MHz |
| Family | SX-A (antifuse, one-time programmable) |
| Speed Grade | -1 |
| Supply Voltage (core) | 2.5 V |
| I/O Voltage Range | 2.25 V to 5.25 V |
| Operating Temperature (case) | -55C to +125C |
| Package | 208-pin CQFP with tie bar (ceramic) |
| Mounting Type | Surface Mount |
| Process Technology | 0.25um/0.22um CMOS |
| Programming Type | One-Time Programmable (OTP) antifuse |
| Clock Resources | CLKA, CLKB, QCLK with bidirectional clock buffers |
| Temperature Grade | M (Military) |
A54SX72A-1CQ208M 208-pin cqfp with tie bar (ceramic) Pin Configuration Guide
Complete pinout information for A54SX72A-1CQ208M (208-pin cqfp with tie bar (ceramic) 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-1CQ208M.
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-1CQ208M is suitable for 6 applications: Military Glue Logic Integration, Avionics Bus Interface Bridging, Secure Configuration Control Logic, Legacy System Lifecycle Extension, High-Performance Control Sequencing, Industrial Instrumentation Logic.
Military Glue Logic Integration
The A54SX72A-1CQ208M consolidates multiple MSI/SSI glue-logic functions into a single 108K-gate antifuse FPGA, a core SX-A value proposition per Microchip's product positioning of integrating multiple functions into a low-cost single-chip solution. With 171 user I/O spanning 2.25V to 5.25V, it bridges legacy 5V and modern 3.3V subsystems on one device, and the 250 MHz system performance comfortably handles address decoding, bus formatting, and handshaking. The hermetic CQFP-208 package and -55C to +125C rating suit defense program environmental profiles, while OTP configuration removes boot PROMs from the reliability chain.
Recommended
Avionics Bus Interface Bridging
Aircraft data buses and legacy backplanes frequently mix 5V PCI and 3.3V signaling; the SX-A family datasheet documents 5V PCI operation AC specifications for the A54SX72A, making the -1CQ208M directly usable as a 5V PCI bus interface element. The 350 MHz internal clock performance and dedicated CLKA/CLKB/QCLK clock circuits with bidirectional buffers (unique to the 72K density) support multi-domain synchronous interfaces. Instant-on OTP configuration is valuable in avionics where logic must be active at power application, and the military temperature rating covers unconditioned avionics bays.
Recommended
Secure Configuration Control Logic
Because antifuse FPGAs are one-time programmable with no configuration bitstream stored externally or readable from the device, the A54SX72A-1CQ208M is well suited to control logic where design IP must be protected against readback. There is no configuration PROM to intercept, and the programmed interconnect is physically invisible. Systems handling cryptographic key management, mission-mode sequencing, or anti-tamper partitioning benefit from this property combined with the hermetic ceramic package and 108K gates of usable fabric for implementing state machines and access-control paths.
Recommended
Legacy System Lifecycle Extension
Programs sustaining 1990s/2000s-era military electronics built around Actel SX and SX-A devices need form-fit-function replacements. The A54SX72A-1CQ208M, with its predecessors-compatible CQFP-208 footprint and 108K gates, allows board-level drop-in refresh of obsolete logic without PCB redesign. Since verified cross-reference data shows no cross-brand pin-compatible antifuse FPGA, staying within the Microchip A54SX72A CQFP-208 family (standard, -1, and B speed grades) is the correct obsolescence-mitigation path, and the part remains in active production as of 2026.
Recommended
High-Performance Control Sequencing
The A54SX72A offers 250 MHz system and 350 MHz internal clock performance - the leading-edge figures for the SX-A family - plus bidirectional clock buffering available only on this density. Designs implementing fast sequencers, ping-pong memory controllers, or multi-phase state machines can exploit the CLKA/CLKB/QCLK resources to distribute multiple clock domains with low skew. The 6,036-module sea-of-modules fabric provides fine-grained routing for timing-critical paths, and the -1 military speed grade guarantees AC timing across the full -55C to +125C case temperature range.
Recommended
Industrial Instrumentation Logic
Beyond military platforms, the I/O voltage range of 2.25V to 5.25V and 171 user I/O make the A54SX72A-1CQ208M practical for instrumentation that must interface 5V TTL backplanes, 3.3V DSPs, and mixed-voltage sensors on a single programmable device. The OTP fabric eliminates configuration storage in fielded instruments, improving availability at power-up, and the ceramic CQFP with tie bar supports socketed or soldered mounting on high-reliability measurement hardware. Microchip notes SX-A devices decrease the performance premium while providing low power, beneficial for portable and bench instrumentation.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1CQ208M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-CQ208M | A54SX72A-CQ208B | A54SX72A-CQ208 |
|---|---|---|---|---|
| Package | 208-pin CQFP (ceramic, with tie bar) | 208-pin CQFP (ceramic) - same | 208-pin CQFP (ceramic) - same | 208-pin CQFP (ceramic) - same |
| Brand | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 |
| User I/O | 171 | 171 | 171 | 171 |
| Operating Temperature | -55C to +125C (M grade) | -55C to +125C (M grade) | [DATA_NEEDED] | Commercial grade (no M suffix) |
| Speed Grade | -1 (military) | Standard | B (faster) | Standard |
| I/O Voltage Range | 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 |
| Programming Type | OTP antifuse | OTP antifuse | OTP antifuse | OTP antifuse |
| Price (qty 1) | Quote-based (as of 2026-09-03) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Military temperature qualification (vs A54SX72A-CQ208)
- Guaranteed -1 military timing over full temperature range (vs A54SX72A-CQ208M)
- Configuration readback security (vs SRAM FPGAs (e.g., Xilinx/Altera equivalents))
Design Notes
The A54SX72A is one-time programmable: an antifuse link, once blown, is permanent. Complete full functional and timing simulation in Microchip Designer (Actel Designer) before committing a device to programming, and treat first-article programming as a verification step. Pin reassignment or I/O standard changes after programming require a new physical device, which matters for lead-time-sensitive military builds. Maintain revision-controlled programming files with checksums to guarantee traceability across production lots.
The core operates at 2.5V while I/O banks support 2.25V to 5.25V; supply sequencing and decoupling must be planned for both rails. Estimated: with up to 171 switching outputs at 5V, simultaneous switching noise can be significant - use generous ground return paths and check the SX-A datasheet ICC tables for your switching activity. Verify that the 5V I/O condition respects the datasheet DC input/output specifications, and place 0.1uF ceramic decoupling capacitors at each VCC/VMV pin pair on the CQFP-208.
The 208-pin CQFP with tie bar is a fine-pitch ceramic leaded package designed for surface mounting or socketing. Follow the Microchip SX-A datasheet land-pattern recommendation, and handle leads carefully - CQFP leads are delicate and can bend during rework. For military builds requiring socketing, use a qualified production socket specified for CQFP-208 with tie-bar clearance. Use X-ray or AOI inspection post-reflow, since lead lift under the package body is hard to detect visually on hermetic ceramic packages.
Compliance Information
Hermetic ceramic CQFP military packaging; specific RoHS/REACH declarations were not present in the verified web data - request environmental documentation from Microchip or distributor when required for program compliance.
