A54SX72A-1CQ208 - 108K Gate Antifuse FPGA 208-CQFP | Microchip
MPN: A54SX72A-1CQ208 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $172.05 | $1,720.50 |
| 25 | $163.2 | $4,080.00 |
| 100 | $152.6 | $15,260.00 |
| 1,000 | $141.25 | $141,250.00 |
Drop-in alternatives for A54SX72A-1CQ208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-1CQ208B
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View Datasheet →A54SX72A-1CQ208M
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View Datasheet →A54SX72A-CQ208
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$135 / Unit
View Datasheet →A54SX72A-CQ208B
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View Datasheet →A54SX72A-CQ208M
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$228 / Unit
View Datasheet →A54SX72A-1PQG208I
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$79 / Unit
View Datasheet →A54SX72A-PQG208I
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$86.9 / Unit
View Datasheet →A54SX72A-1CQ208 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microchip antifuse FPGA) |
| System Gates | 108000 gates |
| Logic Cells | 4024 cells |
| Logic Array Blocks (LABs) | 6036 |
| Dedicated Flip-Flops | 2012 |
| Maximum User I/O | 360 pins (device family maximum) |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Maximum Toggle Rate | 250 MHz |
| Speed Grade | -1 |
| Package | 208-pin CQFP (BFCQFP) with tie bar |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +70C (commercial) |
| Programming Type | One-Time Programmable (antifuse) |
| Clock Resources | CLKA, CLKB global clocks plus quadrant clocks (QCLK) |
| Temperature Grade | C (Commercial) |
A54SX72A-1CQ208 208-pin cqfp (bfcqfp) with tie bar Pin Configuration Guide
Complete pinout information for A54SX72A-1CQ208 (208-pin cqfp (bfcqfp) with tie bar 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-1CQ208.
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-1CQ208 is suitable for 6 applications: Telecommunications Infrastructure Glue Logic, Industrial Control and Automation, Data Processing and Server Board Integration, Secure Single-Chip Integration (Anti-Tamper Logic), Legacy System Sustainment and EOL Redesign, Test and Measurement Instrumentation.
Telecommunications Infrastructure Glue Logic
The A54SX72A-1CQ208 fits telecom backplane bridge and glue functions because its 108,000 system gates and 4,024 logic cells absorb address decoding, bus bridging, and protocol adaptation that would otherwise require several PLDs. The quadrant clock networks (CLKA, CLKB, QCLK) documented in the Microchip SX-A datasheet distribute timing across line-card regions with low skew, and the roughly 250 MHz toggle capability supports OC-level interface timing. In deployment, the antifuse fabric powers up fully configured - no configuration PROM load time and no readback path - which operators value for availability and configuration security. The trade-off is that field upgrades require board rework with a freshly programmed device rather than a firmware push.
Recommended
Industrial Control and Automation
In industrial controllers the A54SX72A-1CQ208 integrates sequencers, interlocks, and encoder interfaces into one 2.5 V, low-power chip, replacing multi-chip 5 V PAL/GAL stacks and cutting board area. The 2,012 dedicated flip-flops provide enough state elements for multi-axis motion sequencers, while deterministic antifuse routing gives repeatable timing from the first unit to the last - important for certified control logic that must not change between builds. The ceramic CQFP package with tie bar withstands the soldering and thermal cycling profiles typical of industrial equipment, and the one-time-programmable fabric resists tampering of control logic. Designers should verify commercial 0C to +70C temperature fit, or move to the -I industrial variants such as A54SX72A-1PQG208I.
Recommended
Data Processing and Server Board Integration
For data processing boards, the A54SX72A-1CQ208 consolidates DMA arbiters, memory-bank controllers, and system-status aggregation into a single-chip 108K-gate fabric, which Microchip positions as a system-wide cost saver versus discrete glue. The 0.25 um CMOS antifuse process draws no configuration current at standby and no configuration memory refresh, simplifying power budgets on always-on platforms. Global and quadrant clock resources (CLKA/CLKB/QCLK) let designers time processor-side and I/O-side domains independently, and the ceramic CQFP survives the reflow profiles of dense server boards. The -1 speed grade should be selected where register-to-register paths approach the roughly 250 MHz family toggle limit.
Recommended
Secure Single-Chip Integration (Anti-Tamper Logic)
Antifuse FPGAs are chosen where configuration confidentiality is a requirement: the A54SX72A-1CQ208 has no configuration bitstream to read back because the routing is physically formed during programming. Proprietary algorithms, keys, and board-identity logic encoded in the fabric cannot be cloned by dumping a PROM, unlike SRAM FPGA solutions. With 108K gates, designers can embed authentication, key-check, and lockout state machines alongside functional logic in one 2.5 V device. The cost of this security is the one-time-programmable model - the design must be fully verified in Libero/Designer before programming, and design changes require a new device. Microchip documents this security-plus-low-power positioning for the SX-A family on its official product page.
Recommended
Legacy System Sustainment and EOL Redesign
Many obsolesced boards from the late 1990s and 2000s were built around Actel SX-A FPGAs; the A54SX72A-1CQ208 remains the sustainment part because the die and ceramic 208-pin CQFP package are still manufactured by Microchip, letting engineers repair or re-spin boards without footprint changes. Same-package variants (A54SX72A-CQ208B, -CQ208M, -1CQ208B, -1CQ208M) are verified drop-ins per FindIC cross-reference data, giving procurement multiple screening options against allocation. Because the antifuse design files are stable and the Libero/Designer tool chain still generates programming files, reprogramming repaired boards is deterministic. This makes the device a low-risk bridge part while longer-term migrations to modern families are planned.
Recommended
Test and Measurement Instrumentation
Instrument backplanes and measurement cards use the A54SX72A-1CQ208 for trigger distribution, timing generators, and instrument-bus interfacing. The 6,036 LABs and quadrant clock structure allow several independent timing domains - measurement, calibration, and communication - inside one chip, and the antifuse fabric's deterministic routing gives repeatable channel-to-channel skew between instruments, which matters in synchronized test systems. Instant-on behavior means the instrument is ready at power-up with no configuration load delay, and the 2.5 V core keeps standby power low in battery-powered field instruments. Designers should reserve the -1 speed grade for paths approaching the 250 MHz family limit and verify 0C to +70C commercial rating against the instrument's specified operating range.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1CQ208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1CQ208B | A54SX72A-1CQ208M | A54SX72A-CQ208 | A54SX72A-CQ208M | A54SX72A-1PQG208I |
|---|---|---|---|---|---|---|
| Package | 208-pin ceramic CQFP with tie bar | 208-pin CQFP - same | 208-pin CQFP - same | 208-pin CQFP - same | 208-pin CQFP - same | 208-pin PQFP (plastic) |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 | 108000 |
| Speed Grade | -1 (fastest commercial bin) | -1 | -1 | Standard (slower) | Standard (slower) | -1 |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (B-screened) | Military temperature range | 0C to +70C | Military temperature range | -40C to +85C (industrial) |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Unit Price (qty 1, as of 2026-09-03) | 185.00 USD | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Fastest commercial speed bin in the ceramic CQFP package (vs A54SX72A-CQ208)
- Commercial temperature screening at lower cost than screened variants (vs A54SX72A-1CQ208M)
- Ceramic package heritage for harsh assembly environments (vs A54SX72A-1PQG208I)
Design Notes
The A54SX72A is one-time programmable: once the antifuse map is blown there is no rework path. Complete functional simulation, timing simulation on the placed-and-routed netlist, and a full design review in Libero/Designer before releasing the programming file. Order one extra device per board position for programming-yield margin, and never program your last device with an unverified fuse map.
The device operates from a 2.5 V core per the SX-A datasheet. Derate available current based on your toggle activity using the power calculator in Libero, and provide solid 2.5 V planes with local 0.1 uF decoupling at multiple VCC pins of the 208-pin CQFP. Because antifuse interconnect draws no configuration current and the device boots instantly, inrush is dominated by ordinary CMOS switching - a simple bulk plus ceramic decoupling network is generally sufficient.
Use the dedicated CLKA and CLKB global clocks plus QCLK quadrant clocks as intended by the architecture - driving general-purpose routed clocks wastes routing and adds skew. For high-fanout signals entering through CQFP peripheral pins, series-terminate at the driver to control ringback, and assign your fastest I/O to bank pins nearest the receiving quadrant. The Microchip application notes on A54SX72A and RT54SX72S quadrant clocks give the supported macros and clock circuits.
Compliance Information
Compliance data for the ceramic CQFP package variant was not present in the provided web data; the -1 suffix may indicate lead-free processing per Microchip ordering conventions but this must be confirmed on the official product page. AEC-Q100 qualification is not applicable to this legacy FPGA family.
