A54SX08-FGG144 - SX FPGA 8K Gates 144-FBGA | Microchip
MPN: A54SX08-FGG144 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.9 | $639.00 |
| 100 | $58.2 | $5,820.00 |
| 500 | $53.4 | $26,700.00 |
| 1,000 | $49.75 | $49,750.00 |
Drop-in alternatives for A54SX08-FGG144 — 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:
A54SX08-FGG144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX08-FGG144 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (AXcelerator predecessor SX family) |
| System Gates | 8K |
| Logic Cells | 512 |
| Number of LABs/CLBs | 768 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um antifuse |
| Number of I/O | 111 |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| I/O Voltage Support | 3.3 V / 5 V |
| Package / Case | 144-LBGA (FBGA) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to 70C (TA) |
| Program Type | One-Time Programmable (antifuse) |
| Packaging | Tray |
| Product Status | Active |
| Lead Free | Yes (LEAD FREE per distributor listings) |
A54SX08-FGG144 144-lbga (fbga) Pin Configuration Guide
Complete pinout information for A54SX08-FGG144 (144-lbga (fbga) 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 A54SX08-FGG144.
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
A54SX08-FGG144 is suitable for 6 applications: Industrial Control and Automation Glue Logic, Aerospace and Defense Legacy Subsystem Upgrades, Communication Bridge and Protocol Conversion, Power-On-Critical Control Paths, Test and Measurement Instrument Interface Logic, Medical Device Control and Interface Boards.
Industrial Control and Automation Glue Logic
The A54SX08-FGG144 fits industrial automation control planes where deterministic, instant-on logic replaces boards full of discrete 74-series devices. Its 240 MHz-class antifuse fabric handles fast address decoding, bus bridging, and complex state machines, while 111 user I/Os on a 4.75V-5.25V I/O supply interface directly to legacy 5V industrial signal levels without level shifters. Because the antifuse configuration is non-volatile, control logic is active within microseconds of power application - no configuration PROM or boot sequence that could be disrupted by noisy factory power. In a typical PLC backplane role, the SX08 integrates decode, interrupt control, and handshaking in one 144-FBGA, cutting BOM count and board area versus discrete TTL while improving timing predictability across the 0C-70C commercial range.
Recommended
Aerospace and Defense Legacy Subsystem Upgrades
SX-family antifuse FPGAs are a heritage technology in defense and aerospace electronics, and the A54SX08-FGG144 fits obsolescence-driven redesigns of legacy signal-conditioning and interface boards. The one-time-programmable fabric provides configuration integrity that survives vibration, thermal cycling, and single-event effects better than SRAM bitstreams, and the 0.35 um process node offers inherent tolerance advantages over deep-submicron devices. With 512 logic cells and 111 I/Os, it absorbs MIL-STD-style bus interface logic, timer functions, and telemetry encoding from aging PAL/GAL clusters. Designers value that the same design files port across temperature grades - commercial A54SX08-FGG144 for ground equipment and the industrial A54SX08-FGG144I for harsher environments - using an identical 144-FBGA footprint and pinout, minimizing PCB respins during qualification.
Recommended
Communication Bridge and Protocol Conversion
The A54SX08-FGG144 serves as a protocol bridge in communication equipment, converting between legacy parallel buses and serial interfaces at line rates supported by its 240 MHz fabric capability. The sea-of-modules architecture yields short, predictable routing delays - critical when timing budgets for 5V-tolerant backplane interfaces are tight and cannot tolerate the variable routing delays typical of SRAM FPGA architectures. 111 I/Os allow simultaneous connection of multiple bus domains (for example a 16-bit parallel data path plus address, control, and handshake signals), and the dual-rail design (3V-3.6V core, 4.75V-5.25V I/O) lets one device span 3.3V logic and 5V legacy I/O banks without external translators. Non-volatile configuration means a link comes up instantly after a power cycle in unattended remote equipment.
Recommended
Power-On-Critical Control Paths
Systems that must exercise control within microseconds of power application - such as power-supply sequencing supervisors, interlock logic, and safety shutoff paths - are a natural fit for the A54SX08-FGG144. Unlike SRAM FPGAs that spend milliseconds to seconds loading a bitstream from external flash, the antifuse configuration is hardwired at programming time, so logic outputs reach defined states essentially at power-up. The SX08's 512 cells comfortably implement prioritized interlock state machines, watchdog comparators, and fuse-replacement control logic. Its 3V-3.6V core with 4.75V-5.25V I/O supply supports direct 5V signaling to contactors and relay drivers common in power-distribution equipment. Designers should note the one-time-programmable trade-off: safety logic must be fully verified in simulation before programming, since a bug requires a new programmed device.
Recommended
Test and Measurement Instrument Interface Logic
Bench and rack instruments benefit from the A54SX08-FGG144 as front-end interface logic: bus decoders, trigger state machines, and acquisition-handshake controllers. The antifuse fabric's low per-path capacitance and deterministic timing support the 240 MHz-class toggle rates needed for fast trigger alignment, while 111 I/Os cover parallel instrument backplanes (VME/VXI-style interfaces) with 5V-tolerant signaling on the 4.75V-5.25V I/O rail. Because programmed interconnect does not change over temperature or voltage the way SRAM routing can, measurement repeatability improves - the same net exhibits the same delay on every unit and every power cycle, simplifying calibration. Integration in the 144-FBGA replaces dozens of discrete TTL devices in legacy instrument mainframes, reducing propagate-delay scatter that would otherwise limit measurement timing accuracy.
Recommended
Medical Device Control and Interface Boards
Non-safety-critical control sections of medical equipment - drawer interlocks, user-interface scanning, fan and lamp control, and communication gateway logic - map well onto the A54SX08-FGG144. The instant-on non-volatile configuration ensures the device is functional the moment system power is applied, avoiding boot-state ambiguity during the rapid power-cycling typical of diagnostic equipment, and the deterministic antifuse timing simplifies documentation for design-history files. The dual-supply architecture (3V-3.6V core, 4.75V-5.25V I/O) bridges modern 3.3V processors to legacy 5V peripheral boards still common in hospital installations. Its 0C-70C rating suits indoor clinical environments; designs exposed to wider ranges should qualify the pin-identical A54SX08-FGG144I. For new highest-reliability medical programs, Microchip's newer ProASIC3 flash FPGAs offer reprogrammability at higher density.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-FGG144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-FGG144I |
|---|---|---|
| Package | 144-FBGA (LBGA) | 144-FBGA (LBGA) - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology (Actel/Microsemi) |
| System Gates | 8K | 8K |
| Logic Cells | 512 | 512 |
| Number of I/O | 111 | 111 |
| Max System Frequency | 240 MHz | 240 MHz |
| Operating Temperature | 0C to 70C (TA) | Industrial range (wider than 0C-70C) |
| Supply Voltage | 3 V to 3.6 V (core), 4.75 V to 5.25 V (I/O) | 3 V to 3.6 V (core), 4.75 V to 5.25 V (I/O) - same |
Key Differentiators
- Industrial-temperature drop-in upgrade available (vs A54SX08-FGG144I)
- Non-volatile antifuse configuration vs SRAM FPGA competitors (vs A54SX08-TQ144)
- 5V-tolerant I/O on 5V supply rail (vs A54SX16P-2VQG100)
Design Notes
The 144-FBGA (LBGA) footprint requires a solder-mask-defined land pattern per the Microchip 54SX datasheet package appendix; verify ball pitch against the current package drawing before generating the footprint. Place 0.1 uF ceramic decoupling capacitors within 2-3 mm of the corner power/ground ball pairs, plus bulk 10 uF per supply domain. The dual-rail design (3V-3.6V core, 4.75V-5.25V I/O) requires separate power planes - do not share the core and I/O rails, or I/O ring noise will couple into the antifuse fabric and degrade timing margins on fast (240 MHz-class) paths.
The SX family is one-time-programmable: there is no in-circuit reconfiguration. Treat programming as a manufacturing step with full quality control - a logic error discovered after programming scraps the device. Use Libero/Microchip design software simulation extensively, and on first-turn boards program a small pilot lot. Also remember that pin assignments are package-specific: a pin map valid for the A54SX08-TQ144 (TQFP) is NOT valid for the A54SX08-FGG144 (FBGA) - always regenerate the pin report per package before layout release.
Estimated: SX-family antifuse devices draw near-static core current because there is no configuration memory refresh; power is dominated by I/O switching. Estimate dynamic power as P ~ C * V^2 * f * activity for each output bank - at 5V I/O, halving the average toggle rate cuts I/O dynamic power roughly in half, so qualify unused I/Os as inputs with pull-ups per the datasheet recommendations. Verify actual current in the 54SX datasheet power estimation tables rather than relying on this estimate during supply design.
Compliance Information
Distributor listings (PCB Electronics, Datasheet Directory) explicitly describe the A54SX08-FGG144 as 'LEAD FREE'. RoHS and detailed environmental compliance should be confirmed via the official Microchip product compliance documentation.
