A54SX08A-FTQ100 - 12K Gate FPGA, 81 I/O, TQFP-100 | Microchip
MPN: A54SX08A-FTQ100 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $32.5 | $32.50 |
| 10 | $29.75 | $297.50 |
| 100 | $26.9 | $2,690.00 |
| 500 | $24.2 | $12,100.00 |
| 1,000 | $21.85 | $21,850.00 |
Drop-in alternatives for A54SX08A-FTQ100 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
A54SX16A-TQG100
β Drop-Inβ In Stock
$20.8 / Unit
View Datasheet βA54SX08A-TQG100
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
A54SX08A-TQG100I
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
A54SX08A-FTQG100
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
A54SX08A-FTQ100 Maximum Ratings & Electrical Characteristics
| Family | SX-A |
| System Gates | 12000 |
| Logic Cells | 512 |
| LABs/CLBs | 768 |
| User I/O | 81 |
| Maximum Toggle Frequency | 172 MHz |
| Supply Voltage (Operating) | 2.25 V to 5.25 V |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25um / 0.22um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| Operating Temperature | 0C to +70C |
| Package | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Speed Grade | F |
| Typical Applications | Industrial control, telecom, consumer electronics |
| Configuration Storage | Non-volatile (no external configuration PROM) |
A54SX08A-FTQ100 100-tqfp (14x14 mm) Pin Configuration Guide
Complete pinout information for A54SX08A-FTQ100 (100-tqfp (14x14 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 A54SX08A-FTQ100.
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
A54SX08A-FTQ100 is suitable for 6 applications: Industrial Automation Control, Telecommunications Line Cards, Glue Logic and Bus Interfacing, Consumer Electronics, Design-Security Sensitive Systems, Internet of Things Edge Nodes.
Industrial Automation Control
The A54SX08A-FTQ100 fits industrial control boards that need deterministic, instant-on logic for sequencers, motor-control interfacing, and sensor polling. Its 12,000 gates and 512 logic cells absorb state machines and address decoding that would otherwise consume several CPLDs or discrete logic, cutting BOM count, while the 81 user I/Os handle parallel sensor and actuator interfaces at 2.5V/3.3V levels. Because the antifuse fabric is non-volatile, control logic is active within microseconds of power-up, which matters in factory equipment that must not wait for configuration loading and must resume safely after brownouts. The 0C to +70C commercial rating suits protected cabinet environments; for unconditioned floors choose the industrial-grade TQG100I variant.
Recommended
Telecommunications Line Cards
Telecom line-card designs historically used SX-A devices for framing-logic glue, backplane bus bridging, and board-level chip-select decoding. The A54SX08A-FTQ100 sustains up to 172 MHz toggle rates on the 0.22um CMOS fabric, comfortably covering T1/E1-class clock domains, and its antifuse routing gives consistent, deterministic propagation delays that simplify timing closure across production units - a benefit over process-variable SRAM FPGA timing. The 81 I/Os interface parallel backplane buses in 3.3V signaling. Because configuration is hard-wired, there is no bitstream to corrupt in the field, improving carrier-grade availability; the trade-off is that fixes require physical replacement rather than remote firmware updates.
Recommended
Glue Logic and Bus Interfacing
As a glue-logic device, the A54SX08A-FTQ100 replaces dozens of 74-series packages with one 14x14 mm TQFP-100. Typical functions include memory address decode, wait-state generation, bus multiplexing, interrupt aggregation, and level/status register mapping between a CPU and peripherals. The fine-grained SX-A logic module maps random combinational logic efficiently, and the 81 user I/Os provide wide parallel buses that pin-limited CPLDs cannot host. Instant-on antifuse configuration means decode logic is alive before the processor's first fetch, eliminating boot-order hazards. For gate-light CPU boards this is a low-cost single-chip integration path; verify I/O budget early since 100 total pins minus power/programming leave 81 for the design.
Recommended
Consumer Electronics
In consumer products the A54SX08A-FTQ100 serves as low-cost, secure programmable logic for interface conversion, LED/display control, keypad scanning, and peripheral handshaking around a low-cost MCU. Distributor data (Microchip USA) explicitly lists consumer electronics among its target uses. The single 2.25V-5.25V supply simplifies cost-driven power trees, and the 14x14 mm TQFP suits hand-assembly lines common in mid-volume consumer manufacturing. The antifuse fabric resists reverse engineering because configuration bits cannot be read back, protecting product firmware partitioning choices. Its limitation in this domain is the absence of reprogrammability: design fixes require a new mask-programmed-equivalent device, so freeze the specification before production ramp.
Recommended
Design-Security Sensitive Systems
Systems protecting IP or firmware - copy-prevention dongles, licensed peripherals, secure communications adapters - benefit from the A54SX08A's antifuse programming. Unlike SRAM FPGAs, which store the bitstream in external flash and expose it during load, the SX-A's antifuse interconnect is written once at programming and cannot be read out, so even physical access to the device does not reveal implemented logic. The 512-cell fabric is large enough for authentication state machines, challenge-response primitives, and protocol cloaking around a host MCU. Trade-offs versus flash-based secure FPGAs: no field updates and modest density, so this device suits fixed-function security wrappers rather than evolving cryptographic engines.
Recommended
Internet of Things Edge Nodes
IoT edge nodes use the A54SX08A-FTQ100 for sensor aggregation, protocol translation (e.g., SPI-to-UART bridges), and power-gated peripheral control, roles Hillman Curtis lists under Industrial Control and IoT. Its key edge-node advantages are instant-on behavior - logic is functional the moment power arrives, enabling event capture before the host MCU boots - and near-zero configuration power since there is no bitstream load. The 2.5V core with 2.25V-5.25V operating range tolerates battery-rail sag, and the 81 I/Os fan out to multiple sensors and radios. For battery-critical designs, confirm static and dynamic current from the SX-A datasheet; the OTP fabric also prevents remote tampering with the node's glue logic.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08A-FTQ100 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-TQG100 | A54SX08A-TQG100 | A54SX08A-TQG100I |
|---|---|---|---|---|
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 12,000 | 16,000 | 12,000 | 12,000 |
| Logic Cells | 512 | 928 | 512 | 512 |
| User I/O | 81 | 81 | 81 | 81 |
| Maximum Toggle Frequency | 172 MHz (F grade) | [DATA_NEEDED] | Standard grade (lower than F) | Standard grade (lower than F) |
| Operating Temperature | 0C to +70C | 0C to +70C | 0C to +70C | -40C to +85C |
| Supply 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 Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Largest capacity in same TQFP-100 footprint (vs A54SX16A-TQG100)
- Fastest F speed grade of the 12K TQFP-100 variants (vs A54SX08A-TQG100)
- Wider temperature tolerance in industrial variant (vs A54SX08A-TQG100I)
Design Notes
The A54SX08A is a one-time-programmable antifuse device: once programmed, a unit cannot be erased or reused. Complete functional simulation, static timing analysis, and pin assignment freeze in Microchip Libero SoC before submitting any device to programming, and budget prototype quantities to absorb at least one respin. Do not use engineering-change ECO flows casually - each ECO consumes a new physical part. This is the single most common failure mode for teams migrating from SRAM FPGAs.
Power the core from a nominal 2.5V rail within the verified 2.25V-5.25V operating range and decouple each VDD pin pair with 0.1uF ceramic capacitors placed within 2-3 mm of the pin, plus bulk 10uF at the board entry. Antifuse FPGAs draw essentially no configuration current at power-up (no bitstream load), so supply ramp requirements are simple, but follow the SX-A datasheet power-up ramp-rate guidance to avoid I/O latch-up during fast edges.
With 81 of 100 pins as user I/O on the 14x14 mm TQFP-100, route wide parallel buses first with length-matched traces for any clocks above roughly 50 MHz, keeping clock stubs short to limit ringing. Use the standard 0.5 mm pitch TQFP land pattern (14x14 mm body, ~16 mm diagonal footprint) and tie all dedicated GND pins directly to a solid ground plane - do not share ground returns between I/O banks and the core to minimize ground bounce on simultaneous-switching outputs.
Before layout, allocate the 81 user I/Os in Libero with at least 10-15% spare capacity for late design changes, since the OTP nature makes later pin swaps costly. Reserve access to programming pins during board bring-up even though programming is one-time - the programmer still needs clean access on every unit, including production units.
Compliance Information
Verified web data does not state RoHS/lead-free status for the exact FTQ100 ordering code. Older SX-A family parts exist in both leaded and lead-free variants; obtain the compliance certificate from Microchip or the distributor.
