A54SX32A-FFGG256 - 48K-Gate Antifuse FPGA, 256-BGA | Microchip
MPN: A54SX32A-FFGG256 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $118.5 | $118.50 |
| 10 | $109.2 | $1,092.00 |
| 100 | $98.75 | $9,875.00 |
| 500 | $91.4 | $45,700.00 |
| 1,000 | $85 | $85,000.00 |
Drop-in alternatives for A54SX32A-FFGG256 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32A-FGG256A
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$295.2 / Unit
View Datasheet →A54SX32A-FGG256I
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View Datasheet →A54SX32A-FGG256A
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View Datasheet →A54SX32A-FGG256M
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View Datasheet →A54SX32A-2FGG256
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$47.95 / Unit
View Datasheet →A54SX32A-1FGG256
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$1 / Unit
View Datasheet →A54SX32A-2FGG256I
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View Datasheet →A54SX32A-1FGG256I
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View Datasheet →A54SX32A-FFGG256 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 48,000 |
| Typical Usable Gates | 32,000 |
| Configurable Logic Blocks (CLBs) | 2880 |
| User I/O | 203 |
| Supply Voltage | 2.25 V to 5.25 V |
| Supported I/O Standards | 2.5 V, 3.3 V, 5 V |
| Technology | 0.22 um / 0.25 um CMOS antifuse |
| Programming Type | One-time programmable (antifuse) |
| Operating Temperature | 0C to +70C (TA) |
| Package | 256-FPBGA (17x17 mm), 256-BGA |
| Ball Pitch | 1 mm |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Yes |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
A54SX32A-FFGG256 256-fpbga (17x17 mm), 256-bga Pin Configuration Guide
Complete pinout information for A54SX32A-FFGG256 (256-fpbga (17x17 mm), 256-bga 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 A54SX32A-FFGG256.
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
A54SX32A-FFGG256 is suitable for 6 applications: Industrial Control and Automation Glue Logic, Legacy System Refresh with 5V I/O, Telecommunications Line-Card Interface Logic, Secure Non-Volatile Configuration in Defense Electronics, Processor-to-ASIC/Memory Bridge Logic, Test and Measurement Fixture Logic.
Industrial Control and Automation Glue Logic
The A54SX32A-FFGG256 fits industrial control backplanes where multiple PLD functions must consolidate into one low-cost, single-chip solution. Its 203 user I/Os and 2.25V to 5.25V operating range let one device bridge legacy 5V TTL sensors, 3.3V microcontroller buses, and 2.5V memory interfaces without level-shifters. The antifuse fabric configures instantly at power-up, so machine-state logic is valid the moment the controller exits reset - important for safety interlocks. In a PLC I/O card, place the FPGA between the field connector and the host processor, decoding address ranges and driving status LEDs. The one-time-programmable nature also prevents field tampering with control logic, and the 0C to +70C rating covers typical cabinet-mounted environments.
Recommended
Legacy System Refresh with 5V I/O
Many boards designed in the 1990s and 2000s depend on 5V-tolerant interface logic that modern FPGAs no longer support. The A54SX32A-FFGG256 directly accepts 5V, 3.3V, and 2.5V I/O standards on its 203 pins, making it ideal for respins of legacy ISA/VME-style cards, test fixtures, and defense spares. Because it is a 48,000-gate device (32,000 typical usable gates), it absorbs the address decoders, bus transceivers, and state machines originally spread across several 22V10-class PLDs. The 256-ball FBGA footprint is shared across A54SX32A speed/temperature variants, so a single PCB supports commercial and industrial builds. Designers should re-verify timing at the chosen speed grade, as the F grade is the slowest option in the family.
Recommended
Telecommunications Line-Card Interface Logic
Telecom line cards require immediate-on configuration logic because backplane traffic must be processed as soon as power is applied; the A54SX32A-FFGG256 antifuse fabric has no configuration load time, unlike SRAM FPGAs that need tens of milliseconds plus a boot PROM. With 203 I/Os it terminates TDM backplane buses, drives framer interfaces, and performs multiplexing between the line side and the switch fabric. Its low static power suits high-density shelves where per-card wattage is budgeted. Place the device between the backplane connector and the framer/processor; use 3.3V I/O banks for the framer and 5V-tolerant pins where legacy backplane signaling persists. The commercial 0C to +70C rating fits central-office ambient conditions.
Recommended
Secure Non-Volatile Configuration in Defense Electronics
Antifuse FPGAs are inherently resistant to bitstream extraction because the configuration exists as physical antifuse links rather than stored data, and there is no configuration readback path. The A54SX32A-FFGG256 therefore suits defense and avionics boards where IP protection and resistance to configuration tampering matter. The M-suffix variant (A54SX32A-FGG256M) shares the identical 256-FBGA footprint for military-range programs, enabling one PCB layout across program phases. Typical use includes mode-control logic, crypto module interfacing, and failsafe monitoring around a main processor. Note the 0C to +70C commercial rating of the FFGG256 itself: use I or M suffix parts for extended environments. Design re-entry costs mean antifuse suits stable, fully verified logic images.
Recommended
Processor-to-ASIC/Memory Bridge Logic
The A54SX32A-FFGG256 serves as bus bridging silicon between a microprocessor and ASICs, FIFOs, or memory subsystems when off-the-shelf bridge chips are unavailable. Its 2880 CLBs implement address translation, wait-state generation, byte-lane steering, and interrupt aggregation, while 203 I/Os cover wide data buses in 5V, 3.3V, or 2.5V signaling. Because the device powers up fully configured, the bridge is operational during processor reset - a benefit over SRAM FPGAs whose boot sequencing must be coordinated with the CPU. Place the FPGA physically close to the processor on the PCB, keep bus trace lengths matched, and verify access timing at the F speed grade with worst-case industrial corners, selecting the A54SX32A-FGG256 faster grade if setup margins are tight.
Recommended
Test and Measurement Fixture Logic
ATE fixtures and rack instruments benefit from the A54SX32A-FFGG256's mix of 5V-tolerant I/O, instant-on configuration, and one-time-programmable logic that cannot be accidentally altered in the field. Its 203 I/Os fan out stimulus and capture signals between the instrument controller and device-under-test sockets, implementing protocol mangling, clock dividers, and pass/fail comparison logic within 48,000 system gates. The 0C to +70C rating matches lab and production-floor environments. Implement the fixture logic once, verify by simulation and hardware trials, then commit - the antifuse programming guarantees the shipped fixture behaves identically to the validated unit. For fixtures exposed to unheated docks or cold storage, substitute the pin-compatible A54SX32A-FGG256I without PCB change.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-FFGG256 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-FGG256 | A54SX32A-FGG256I | A54SX32A-FGG256M | A54SX32A-2FGG256 |
|---|---|---|---|---|---|
| Package | 256-FPBGA (17x17 mm) | 256-FPBGA (17x17 mm) - same | 256-FPBGA (17x17 mm) - same | 256-FPBGA (17x17 mm) - same | 256-FPBGA (17x17 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48,000 (32,000 typical) | 48,000 (32,000 typical) | 48,000 (32,000 typical) | 48,000 (32,000 typical) | 48,000 (32,000 typical) |
| User I/O | 203 | 203 | 203 | 203 | 203 |
| 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 | 2.25 V to 5.25 V |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C (industrial) | Military range | 0C to +70C (commercial) |
| Speed Grade | F (standard) | Standard (faster than F) | Standard (faster than F) | Standard (faster than F) | Speed grade 2 |
| Programming Technology | One-time programmable antifuse (0.22/0.25 um CMOS) | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Lowest-cost speed grade in the 256-FBGA footprint (vs A54SX32A-FGG256)
- 5V-tolerant I/O absent from modern FPGAs (vs Modern SRAM FPGA families)
- Instant-on, secure non-volatile configuration (vs SRAM-based FPGAs)
- Extended-temperature drop-in path on same footprint (vs A54SX32A-FGG256I)
Design Notes
The A54SX32A-FFGG256 is one-time programmable: after antifuse programming there is no way to rework the logic image. Complete gate-level simulation, timing analysis, and hardware prototype trials before committing production devices. Budget for engineering spares during development. If field updates are anticipated, this is the wrong technology - consider an SRAM or flash-based FPGA family instead, since OTP savings apply only to frozen, fully verified designs.
The device accepts a single 2.25V to 5.25V supply with 2.5V, 3.3V, and 5V I/O standards mixed on the same chip. Per the SX-A family datasheet, thermal characteristics depend on device, package, operating temperature, current draw, and the system's ability to dissipate heat - verify theta-JA for the 256-FBGA against your airflow conditions. Decouple the supply with bulk plus 0.1uF ceramic capacitors at the BGA via field, and confirm the 5.25V absolute maximum is not exceeded during 5V rail transients.
The 256-FPBGA uses a 1 mm ball pitch in a 17x17 mm body. Define the land pattern per the Microchip SX-A datasheet package drawing and use the same footprint across all A54SX32A FGG256 variants (F/1/2/A/I/M) so speed and temperature grades can be swapped without a respin. Fan out with via-in-pad or dog-bone escape on the outer two rows; route the 203 I/O banks keeping 5V-tolerant signals separated from sensitive analog nets to limit crosstalk.
Temperature suffix matters: the FFGG256 is rated 0C to +70C only. Deploying it where ambient can drop below 0C (unheated enclosures, outdoor cabinets, cold storage) risks out-of-spec timing and reliability. Select the pin-compatible A54SX32A-FGG256I (industrial) or FGG256M (military range) instead. Also confirm the speed grade in your design timing sign-off matches the purchased suffix - the F grade is the slowest in the family.
Compliance Information
ROHS3 Compliant and lead-free per Microchip USA and DigiKey product listings. REACH, halogen-free, and conflict-minerals declarations not itemized in verified data - obtain certificate of conformance from Microchip for formal compliance packages.
