A54SX16A-1PQG208I - 24K Gate Antifuse FPGA 208-PQFP | Microchip
N.º de pieza: A54SX16A-1PQG208I ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $68.5 | $68,50 |
| 10 | $62.15 | $621,50 |
| 100 | $55.8 | $5.580,00 |
| 500 | $50.25 | $25.125,00 |
| 1.000 | $45.9 | $45.900,00 |
A54SX16A-1PQG208I Descripción general
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device whose interconnect switches are formed by an antifuse element that permanently shorts when programmed. Within the programmable logic hierarchy, the SX-A sits in the FPGA category (field programmable gate array -> programmable logic device -> semiconductor), contrasting with SRAM-based FPGAs from Xilinx or Altera by requiring no configuration PROM, boot time, or configuration bitstream, which improves design security and power-on reliability.
Key features include a sea-of-modules architecture built on a 0.25 um CMOS process, a 2.5V core supply for low power operation, and the -1 speed grade suitable for mid-range synchronous designs. The 175 user I/Os and 208-pin QFP footprint make the device well suited for glue logic consolidation, bus bridging, and control-plane functions that would otherwise require multiple discrete devices.
Technical depth: the SX-A fabric combines C-cells (combinational) and R-cells (sequential) clustered in logic modules, delivering efficient flip-flop-heavy designs without the routing delays typical of larger SRAM FPGAs. The 1,452-cell array, per FindIC specifications (2007 datasheet publication), supports design entry in Verilog/VHDL via the Libero SoC toolchain.
Typical applications include industrial automation control logic, avionics and defense systems requiring OTP security, telecommunications line-card glue logic, and obsolescence-driven redesigns replacing multiple 74-series devices. The industrial I grade extends operation to -40C to +85C for harsh environments.
Design consideration: because the device is one-time programmable, fully verify the design in simulation before programming; there is no field re-work capability.
This page synthesizes distributor pricing tiers, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet. Pricing shown is as of 2026-09-03.
Alternativas directas para A54SX16A-1PQG208I — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con A54SX16A-1PQG208I (mismo factor de forma y huella) — difiere en Package, System Gates, RoHS Status, Process Technology, Family.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A54SX16A-2PQG208I
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$89.9 / unidad
Ver hoja de datos →A54SX16A-1PQG208
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$30.5 / unidad
Ver hoja de datos →A54SX16A-PQG208A
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Consulte el precio
Ver hoja de datos →A54SX16A-PQG208M
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$451.23 / unidad
Ver hoja de datos →A54SX16A-1PQG208M
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Ver hoja de datos →A54SX16A-1PQ208I
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
A54SX16A-1PQG208I Valores máximos y características eléctricas
| Family | SX-A (Antifuse FPGA) |
| System Gates | 24000 gates |
| Logic Cells (CLBs) | 1452 |
| User I/O | 175 |
| Maximum Performance | 263 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| Programmability | One-Time Programmable (antifuse) |
| Speed Grade | -1 |
| Temperatura de funcionamiento | -40C to +85C (industrial) |
| Encapsulado | 208-Pin PQFP (BFQFP) |
| Tipo de montaje | Surface Mount |
| Packaging | Tray |
| Estado RoHS | RoHS3 Compliant |
| Manufacturer Lead Time | 36 weeks |
Guía de configuración de pines de A54SX16A-1PQG208I 208-pin pqfp (bfqfp)
Configuración de pines para A54SX16A-1PQG208I (encapsulado 208-pin pqfp (bfqfp)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para A54SX16A-1PQG208I.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
A54SX16A-1PQG208I es adecuado para 6 aplicacións: Industrial Automation Control Logic, Avionics and Defense Secure Logic, Telecommunications Line-Card Glue Logic, Obsolescence Redesign / Legacy Board Life Extension, Medical Diagnostic Equipment Control, Test and Measurement Instrumentation.
Industrial Automation Control Logic
In factory automation and industrial controllers, the A54SX16A-1PQG208I consolidates state machines, address decoders, and bus-interface glue logic that would otherwise consume dozens of 74-series devices. Its 24K gates and 1,452 cells absorb mid-scale control functions while the 263 MHz-class fabric comfortably handles 50-100 MHz system clocks with timing margin at the -1 grade. The industrial -40C to +85C rating of the I-grade part matches cabinet-mounted equipment in unconditioned plants, and the OTP antifuse fabric powers up instantly with no configuration PROM to fail or be corrupted by electrical noise - a meaningful reliability advantage over SRAM FPGAs on noisy industrial power rails.
Recomendado
Avionics and Defense Secure Logic
Antifuse FPGAs are a staple of avionics and defense designs where design security and configuration integrity are non-negotiable. The A54SX16A-1PQG208I's one-time-programmable interconnect stores no readable bitstream, protecting proprietary IP against readback, and it is immune to the configuration-upset class of failures that affects SRAM FPGAs in high-vibration or radiation-adjacent environments. With 24K gates, 175 I/Os, and instant-on operation, the device implements mission interfaces, custom bus bridges, and sequencer logic within a rugged 208-PQFP. The M-temperature sibling (A54SX16A-1PQG208M) supports full military range when the industrial I grade is insufficient for the platform specification.
Recomendado
Telecommunications Line-Card Glue Logic
Telecom line cards and backplane interfaces historically rely on FPGA fabric for bus switching, framing-logic glue, and address decode between PHYs, framers, and backplane connectors. The A54SX16A-1PQG208I fits this role with its 263 MHz-class fabric, 175 user I/Os for wide parallel buses, and a 2.5V core that keeps steady-state power low on densely populated cards. Because the antifuse device needs no configuration controller or boot flash, line cards come up immediately after hot-swap, and the PQFP gull-wing leads support inspection and rework flows common in telecom manufacturing. Consolidating discrete TTL glue into one 24K-gate part also cuts BOM count and board area measurably.
Recomendado
Obsolescence Redesign / Legacy Board Life Extension
A primary ongoing use of the SX-A family is extending the life of mature boards whose original programmable logic or discrete glue logic is obsolete. The A54SX16A-1PQG208I, with an Active status and RoHS3-compliant green package, lets engineers re-implement legacy PAL/GAL/medium-CPLD clusters and older FPGA functions in one 24K-gate device while meeting modern Pb-free regulations. The 208-PQFP through-hole-inspectable package suits older mixed-technology boards, and the same-package family variants (A through M grades, -1 and -2 speeds) give supply-chain teams multiple sourcing options on an identical footprint - a hedge against the 36-week factory lead time.
Recomendado
Medical Diagnostic Equipment Control
Benchtop medical diagnostics and imaging support electronics need deterministic, instantly available control logic with long service life. The A54SX16A-1PQG208I supplies 24K gates of OTP fabric that initializes instantly on power-up - important for instruments that must pass self-test within seconds of being switched on - while its fixed programmed interconnect guarantees identical timing and behavior for the instrument's calibration lifetime, unlike SRAM FPGAs whose configuration source adds a failure mode. The industrial -40C to +85C I grade covers cold-chain transport and warm clinical rooms, and the 2.5V core keeps thermal output low inside quiet, fan-less enclosures typical of laboratory instruments.
Recomendado
Test and Measurement Instrumentation
Test equipment - bench instruments, rack cards, and custom ATE - uses mid-density FPGA fabric for trigger logic, timing generators, counter/timer arrays, and inter-board synchronization. The A54SX16A-1PQG208I's 263 MHz-class cell performance and 1,452-cell sea-of-modules fabric deliver deterministic delay through fixed antifuse routing, an advantage when instrument timing specifications must be stable across units and over years of recalibration cycles. The 175 I/Os interface parallel test buses and probe headers, while the 208-PQFP industrial part sustains -40C to +85C operation in uncooled racks. OTP programming also prevents unauthorized firmware readback of proprietary measurement algorithms implemented in the fabric.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A54SX16A-1PQG208I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A54SX16A-2PQG208I | A54SX16A-1PQG208 | A54SX16A-PQG208A | A54SX16A-1PQG208M |
|---|---|---|---|---|---|
| Package | 208-Pin PQFP (PQG208) | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 gates | 24000 gates | 24000 gates | 24000 gates | 24000 gates |
| User I/O | 175 | 175 | 175 | 175 | 175 |
| Speed Grade | -1 | -2 (faster) | -1 | Standard | -1 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | 0C to +70C (commercial) | Commercial range | Military range |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| RoHS Compliance | RoHS3 compliant (G suffix) | RoHS compliant | RoHS compliant (G suffix) | RoHS compliant (G suffix) | RoHS compliant (G suffix) |
| Lifecycle Status | Active (36-week lead time) | Active | Active | Active | Active |
Diferenciadores clave
- Instant-on OTP antifuse fabric with no boot sequence (frente a A54SX16A-1PQG208 (SRAM-FPGA alternatives such as Xilinx XC4000-class parts))
- Multi-grade sourcing on one 208-PQFP footprint (frente a A54SX16A-2PQG208I)
- Industrial temperature coverage at standard pricing (frente a A54SX16A-1PQG208)
- Trade-off: one-time programmability limits field upgrades (frente a A54SX16A-2PQG208I (and all SRAM FPGAs))
Notas de diseño
The A54SX16A-1PQG208I is one-time programmable (OTP): antifuse interconnects are permanently formed during programming, and no design revision is possible after that point. Complete gate-level simulation, static timing analysis in Libero SoC, and hardware emulation of critical interfaces before committing devices. Program in socket (e.g., Silicon Sculptor) before board assembly, and keep at least one unprogrammed spare per board position for RMA and rework scenarios.
The 208-PQFP gull-wing package has 0.5 mm-class lead pitch - use a solder-mask-defined footprint per the Microchip SX-A datasheet land-pattern recommendation, with a nominal 0.4 mm trace pitch escape routing. Decouple the 2.5V core with at least 10 uF bulk plus 0.1 uF ceramics at each corner of the package. The PQFP has no exposed pad, so thermal relief relies on leads; keep local power-plane copper continuous under the device for I/O return currents.
Estimated: with a 2.5V core and 0.25 um CMOS fabric, static power remains low (tens of mA class), but dynamic power scales with toggle rate and I/O switching. For a design with 100 heavily-toggled I/Os at 50 MHz and ~15 pF loads, estimate I/O dynamic power around 0.2-0.5 W in addition to core power - run the Microchip power calculator on your routed netlist for exact figures, and size the 2.5V rail with margin above the sum of core and I/O supply requirements.
Plan for the 36-week manufacturer lead time reported by Microchip USA. Because the PQG208 footprint is shared across speed and temperature grades (-1/-2, I/M/A), design the board once and qualify two grades (e.g., A54SX16A-1PQG208I primary, A54SX16A-2PQG208I alternate) so purchasing can source whichever variant distributors hold in stock. All variants share the same pinout and requires only bitstream recompilation.
Información de cumplimiento
RoHS3 compliant per Microchip USA product listing. The G suffix in PQG208 denotes the green/lead-free package. REACH and halogen-free status not stated in provided data.