A54SX32A-FGG484 - 32K Gate SX-A FPGA 484-FBGA | Microchip
MPN: A54SX32A-FGG484 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $184.61 | $184.61 |
| 10 | $176.2 | $1,762.00 |
| 100 | $167.5 | $16,750.00 |
| 500 | $159.1 | $79,550.00 |
| 1,000 | $151.2 | $151,200.00 |
Drop-in alternatives for A54SX32A-FGG484 — 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:
A54SX32A-1FGG484
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1 / Unit
View Datasheet →A54SX32A-2FGG484
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$170.48 / Unit
View Datasheet →A54SX32A-FGG484I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-FGG484
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$118.6 / Unit
View Datasheet →A54SX72A-1FGG484
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$515 / Unit
View Datasheet →A54SX32A-FGG484 Maximum Ratings & Electrical Characteristics
| Family | SX-A |
| System Gates | 32000 gates |
| Logic Cells | 1800 cells |
| Number of I/O | 249 |
| Maximum Toggle Frequency | 238 MHz |
| Process Technology | 0.25 um CMOS antifuse |
| Supply Voltage (Core) | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 484-Ball FBGA (27 x 27 mm) |
| Mounting Type | Surface Mount |
| Speed Grade | Standard (no dash suffix) |
| Supply Voltage Range | 2.25 V to 5.25 V (per family supply data) |
| Packaging | Tray |
| Architecture | Sea-of-modules, fine-grained |
A54SX32A-FGG484 484-ball fbga (27 x 27 mm) Pin Configuration Guide
Complete pinout information for A54SX32A-FGG484 (484-ball fbga (27 x 27 mm) 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-FGG484.
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-FGG484 is suitable for 6 applications: Military and Aerospace Logic Integration, Industrial Control and Automation, Telecommunications Line Cards, Secure Single-Chip Designs, Test and Measurement Instrumentation, Legacy System Obsolescence Replacement.
Military and Aerospace Logic Integration
The A54SX32A-FGG484 is widely used in defense and space-adjacent programs where antifuse one-time-programmable technology is a requirement rather than an option. Its 32K-gate fabric integrates glue logic, bus arbitration, and interface controllers into a single 2.5V device, while the absence of configuration memory eliminates SEU-driven bitstream corruption and readback-based reverse engineering. The 249 user I/Os support wide parallel buses common in legacy avionics and munitions electronics. Designers place the device directly on 3.3V/5V-tolerant system boards with its 27 x 27 mm 484-FBGA footprint, taking advantage of the SX-A family's long lifecycle commitments. Because the device powers up instantly with no boot sequence, it fits safety-critical startup paths where SRAM FPGA configuration time is unacceptable.
Recommended
Industrial Control and Automation
In factory automation and process control, the A54SX32A-FGG484 consolidates PLC I/O logic, encoder interfaces, and interlock state machines that previously required multiple PALs, CPLDs, and discretes. The 238 MHz toggle capability handles fast counter and PWM generation, while 249 I/Os terminate sensor and actuator buses directly. Antifuse programming gives OEMs protection against design cloning on the production floor - once burned, the configuration is physically unreadable. The 2.5V core keeps static power low for fanless control cabinets, and instant power-up means the controller is ready the moment DC bus voltage appears, simplifying deterministic startup sequencing. For designs needing more capacity, the pin-compatible A54SX72A-FGG484 drops onto the identical land pattern without a PCB respin.
Recommended
Telecommunications Line Cards
The A54SX32A-FGG484 serves as backplane-interface glue logic in telecom line cards, bridging framers, processors, and crossbar switches. Its fine-grained sea-of-modules architecture delivers predictable routing delays for wide parallel data paths, and the 249 I/Os terminate H.110 or proprietary backplane buses. The one-time-programmable antifuse fabric contains no configuration storage, so a cold-swapped card is functional within microseconds of slot power - a property carrier equipment designers value for hot-swap and redundancy schemes. The 0.25 um process and 2.5V core keep per-channel switching power low across the many I/O toggles typical of line-card traffic. In redundant-card designs, the deterministic power-up also guarantees both active and standby cards present their backplane interfaces simultaneously.
Recommended
Secure Single-Chip Designs
Where protecting firmware and logic IP is paramount - payment terminals, license-control hardware, cryptographic boundary logic - the A54SX32A-FGG484 offers a hardware security property SRAM FPGAs cannot match: the antifuse configuration cannot be read back, probed, or extracted. A design burned into the 32K-gate fabric is physically indistinguishable from a fixed-function ASIC to an attacker, yet avoids ASIC NRE and mask costs. The 249 I/Os allow sensitive logic to remain entirely on-chip, minimizing the exposed traces that bus-sniffing attacks target. Designers pair it with secure microcontrollers for layered protection: the MCU handles algorithms, while the antifuse FPGA guards the boot path and key material with instant-on logic active from first clock cycle.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment uses the A54SX32A-FGG484 as a programmable timing, trigger, and bus-interface engine. The 238 MHz toggle rate supports high-resolution event counters and trigger state machines, while the fine-grained routing fabric yields deterministic, repeatable delays - important for instruments that must document their own timing uncertainty. Because the antifuse configuration is permanent, instruments power up ready-to-measure with no configuration latency, matching customer expectations of instant readiness. The 484-FBGA's 249 I/Os interface front-end comparators, DACs, and host interfaces simultaneously on one die, replacing the multi-chip glue-logic clusters of older designs. For calibration-heavy products, the bit-exact determinism of a burned-in design also simplifies requalification after service.
Recommended
Legacy System Obsolescence Replacement
Many long-lifecycle platforms - rail signaling, medical devices, avionics - were built around Actel SX and SX-A devices and now face component obsolescence. The A54SX32A-FGG484 remains an active Microchip product and serves both as the original design-in part and as the continuation device for earlier A54SX32 builds. Its pin-compatible relationships within the family (speed grades -1/-2 and the 72K-gate A54SX72A-FGG484) let sustainment engineers re-source without PCB redesign: recompile the preserved RTL or netlist, reprogram, and refit. Because antifuse designs are frozen at burn time, a reprogrammed replacement is bit-identical to the original hardware behavior, eliminating re-qualification risk that a different FPGA architecture would introduce. This makes the family a standard obsolescence-migration target.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-FGG484 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-1FGG484 | A54SX32A-2FGG484 | A54SX32A-FGG484I | A54SX72A-FGG484 |
|---|---|---|---|---|---|
| Package | 484-FBGA (27 x 27 mm) | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates | 72000 gates |
| Logic Cells | 1800 cells | 1800 cells | 1800 cells | 1800 cells | 4032 cells |
| User I/O | 249 | 249 | 249 | 249 | 249 |
| Speed Grade | Standard | -1 (faster) | -2 (fastest) | Standard (industrial temp) | Standard |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Operating Temperature | Commercial (0C to +70C) | Commercial | Commercial | Industrial (-40C to +85C) | [DATA_NEEDED] |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Lowest-cost 32K-gate antifuse option in the 484-FBGA footprint (vs A54SX72A-FGG484)
- Balanced speed/cost vs fastest grade (vs A54SX32A-2FGG484)
- Instant power-up, no configuration device required (vs SRAM FPGAs (not pin-compatible))
- Extended temperature availability in same footprint (vs A54SX32A-FGG484I)
Design Notes
Antifuse devices are one-time programmable - do not treat this FPGA like an SRAM part during bring-up. Complete functional simulation and static timing analysis in Libero/Designer before programming, and prototype critical timing paths on a faster speed grade (-1 or -2) if timing margins are tight. Every design iteration consumes a physical device, so budget parts for debugging cycles. Once burned, the configuration cannot be corrected or updated - a single missed pin assignment means a scrapped 484-ball BGA.
The A54SX32A-FGG484 requires a regulated 2.5V core supply; family data indicates supply tolerance down to 2.25V minimum. Provide solid 2.5V planes with bulk capacitance near the package and decouple each supply ball group with 0.1 uF ceramics. Because the antifuse fabric is static, power depends almost entirely on I/O switching - size the core regulator for the small static current, but the I/O rail (typically 2.5V/3.3V per bank configuration) for the aggregate 249-I/O switching load in your design.
The 484-FBGA (27 x 27 mm, 1.0 mm ball pitch) requires a fine-pitch BGA land pattern and controlled-impedance breakout. Verify your fabricator supports the via-in-pad or dog-bone escape routing for the full 22 x 22 ball array, and that reflow profiles match BGA requirements. Since FGG and FG suffixes denote lead-free versus leaded ball metallurgy in this era of Microsemi parts, confirm solder alloy compatibility (SAC vs SnPb) with your assembly process before ordering.
I/O assignments are user-configurable in the SX-A compiler - use the pin report from your compiled design as the authoritative ball map rather than a generic diagram. Group related bus signals onto adjacent balls to shorten escape traces and control skew, and reserve balls near power/ground rings for the supply pairs. For timing-critical paths above roughly 100 MHz, run Designer's timing-driven place-and-route and verify the reported slack at your chosen speed grade before committing to programming.
Compliance Information
Verified web data does not state RoHS/lead-free status for the standard FGG484 suffix. In this product era, FG/FGG suffixes typically denote leaded versus lead-free ball metallurgy - confirm the exact compliance declaration on the Microchip product page before release.
