A54SX16A-2PQG208I - 24k-Gate Antifuse FPGA, PQFP-208 | Microchip
MPN: A54SX16A-2PQG208I ✓ AktifA54SX16A-2PQG208I Ringkasan
A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that the designer wires together after manufacturing. Unlike SRAM FPGAs, the SX-A family uses antifuse programming technology: one-time programmable connections that retain configuration through power cycles, need no external configuration memory, and offer inherent resistance to bit-stream readback, making them a subcategory of non-volatile, single-chip programmable logic within the broader power/space/defense-oriented FPGA hierarchy.
Key features include 1,452 CLBs of logic capacity, 175 user-input/output pins in the 208-BFQFP footprint, a 294 MHz maximum system frequency, CMOS low-power operation, and RoHS-compliant lead-free plastic packaging. The '-2' speed grade and the 'I' industrial temperature suffix distinguish this member from commercial (-C) and standard speed (-1) variants.
Technically, the SX-A architecture combines a sea-of-modules logic fabric with high-speed, low-skew routing resources. The antifuse interconnect adds near-zero programming overhead to routing delay, giving deterministic timing that simplifies closure in glue-logic, bus-interface, and state-machine designs. Because configuration is permanent, designs are secure against cloning and do not require a boot PROM, reducing board cost and turn-on failure modes.
Typical applications include industrial control glue logic, legacy aerospace/defense board refresh, communications bridge logic, and single-chip integration of multiple discrete ASSP/PLD functions to cut BOM cost, exactly the system-wide savings Microchip promotes for SX-A devices.
A key design consideration: antifuse FPGAs are one-time programmable. Verify the design fully in simulation and, ideally, in a comparable device before committing the flight/production unit, and confirm I/O banking voltages against the SX-A family datasheet.
This page synthesizes verified distributor data, drop-in same-footprint alternatives, pricing context, and practical design notes beyond what the manufacturer datasheet alone provides.
Pilihan pengganti yang segera untuk A54SX16A-2PQG208I — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera A54SX16A-2PQG208I (sama faktor bentuk dan kaki) — berbeza dalam Package, System Gates, Family, RoHS Status, Process Technology.
A54SX16A-PQG208I
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Lihat Datasheet →A54SX16A-1PQG208
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Lihat Datasheet →A54SX16A-2PQG208
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Lihat Datasheet →A54SX16A-PQG208A
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Lihat Datasheet →A54SX16A-PQG208M
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Lihat Datasheet →A54SX32A-2PQG208I
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Lihat Datasheet →A54SX16A-2PQG208I Penilaian maksimum & Ciri-ciri Elektrik
| Family | SX-A (Antifuse FPGA) |
| System Gates | 24000 gates |
| Logic Cells | 1452 cells |
| Configurable Logic Blocks (CLBs) | 1452 |
| Maximum Frequency | 294 MHz |
| User I/O | 175 |
| Kemasan | PQFP-208 (208-BFQFP, QFP-208) |
| Speed Grade | -2 |
| Temperature Grade | Industrial (I suffix) |
| Suhu Operasi | -40C to +85C |
| Technology | CMOS, antifuse (one-time programmable) |
| Jenis Pemasangan | Surface Mount |
| Programming Technology | Antifuse (non-volatile, no external config memory) |
| Status RoHS | RoHS Compliant |
| Lead Free | Yes |
Panduan Konfigurasi Pin A54SX16A-2PQG208I pqfp-208 (208-bfqfp, qfp-208)
Konfigurasi pin untuk A54SX16A-2PQG208I (pqfp-208 (208-bfqfp, qfp-208) pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk A54SX16A-2PQG208I.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
A54SX16A-2PQG208I patut untuk 6 aplikasis: Industrial Control Glue Logic, Legacy Board Refresh / Obsolete Logic Replacement, Communications Bridge Logic, Aerospace and Defense Board Electronics, Single-Chip System Integration / BOM Cost Reduction, Test and Measurement Instrument Logic.
Industrial Control Glue Logic
The A54SX16A-2PQG208I integrates bus arbitration, address decoding, and interface bridging that would otherwise require several PLDs or ASSPs, delivering the single-chip cost savings Microchip promotes for the SX-A family. Its -40C to +85C industrial grade ('I' suffix) matches factory-floor ambient ranges, and the 294 MHz -2 speed grade leaves ample margin for typical 10-50 MHz control clocks. The antifuse fabric provides deterministic pin-to-pin timing that simplifies timing closure across a production run, and instant-on configuration means no boot delay or external configuration PROM is needed on the control card.
Disebarkan
Legacy Board Refresh / Obsolete Logic Replacement
Mature industrial and defense boards frequently lose discontinued PAL/GAL/ASIC support; the A54SX16A-2PQG208I absorbs multiple legacy functions into one 24,000-gate antifuse fabric while preserving the original PQFP-208 footprint used by earlier Actel designs. Because configuration is permanent and unreadable, the replacement design inherits the tamper profile of the original custom logic. The industrial temperature rating and RoHS-compliant lead-free package allow the refreshed board to meet current environmental directives without a full platform redesign, and 175 user I/Os cover wide legacy buses.
Disebarkan
Communications Bridge Logic
The 294 MHz maximum toggle frequency of the -2 speed grade supports backplane bridge, protocol translation, and serial-to-parallel conversion functions at intermediate data rates. The SX-A routing architecture keeps inter-module delays predictable, which matters for multi-clock-domain bridges where setup/hold windows must be verified once and hold across production. With 175 user I/Os in PQFP-208, wide 32/64-bit data paths can be handled on a single device, replacing several smaller PLDs; CMOS static power keeps the device cool in sealed telecom enclosures without forced airflow.
Disebarkan
Aerospace and Defense Board Electronics
Antifuse FPGAs are a long-standing choice in defense electronics because configuration data cannot be dumped or corrupted by single-event effects in the same way as SRAM bitstreams, and no configuration memory exists to intercept. The 'M'-grade siblings (e.g., A54SX16A-PQG208M) extend this family into higher-screening flows, letting engineers prototype on the commercial/industrial A54SX16A-2PQG208I and migrate within the same footprint. Deterministic antifuse timing also eases timing-derivation paperwork for safety-reviewed designs, and the wide -40C to +85C industrial range covers many sheltered platform requirements.
Disebarkan
Single-Chip System Integration / BOM Cost Reduction
Microchip positions SX-A devices for system-wide savings by integrating multiple discrete functions into one low-cost, single-chip solution. A design consolidating decoders, counters, FIFOs, and handshaking state machines into the A54SX16A-2PQG208I eliminates device count, assembly cost, and inter-board failure points; at XAIPART's tiered pricing (from $128.50 at qty 1 down to $89.90 at qty 1000 as of 2026-09-03), consolidation typically beats a multi-PLD BOM above modest volumes. Instant-on antifuse operation also removes the supervisor/config-PROM line items that SRAM FPGA designs require.
Disebarkan
Test and Measurement Instrument Logic
Instrument cards use the A54SX16A-2PQG208I for trigger distribution, time-stamping counters, and interface formatting where deterministic, repeatable timing across units is essential - a property of the fixed antifuse interconnect. The 294 MHz -2 rating supports fast counter clocks, while 175 I/Os interface with wide probe or backplane buses through PQFP-208's gull-wing leads, which are inspectable and reworkable on standard SMT lines. Since calibration firmware does not change in the field, the one-time-programmable nature of the antifuse fabric is not a limitation in this domain.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk A54SX16A-2PQG208I — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | A54SX16A-PQG208I | A54SX16A-2PQG208 | A54SX32A-2PQG208I |
|---|---|---|---|---|
| Package | PQFP-208 (208-BFQFP) | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same |
| Brand | Microsemi (Microchip Technology) | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 gates | 24000 gates | 24000 gates | Approx. double (SX32A die) |
| Logic Cells / CLBs | 1452 | 1452 | 1452 | Higher (SX32A) |
| Maximum Frequency | 294 MHz | Base speed grade (lower than 294 MHz) | 294 MHz | 294 MHz (-2 grade) |
| Temperature Grade | Industrial (-40C to +85C, I suffix) | Industrial (I) | Commercial (no I suffix) | Industrial (I) |
| Speed Grade | -2 | Base | -2 | -2 |
Penyeberangsung Jelas
- Fastest speed grade in the SX16A PQG208 family (vsA54SX16A-PQG208I)
- Industrial temperature rating (vsA54SX16A-2PQG208)
- Footprint-compatible upgrade path to double the logic (vsA54SX32A-2PQG208I)
Catatan Desain
Antifuse devices are one-time programmable: once the A54SX16A-2PQG208I is programmed, it cannot be erased or corrected. Complete functional simulation, timing simulation at worst-case -2 speed corners, and a pin-swap review before committing the device. Budget spare devices (typically 10-15% attrition) in prototype builds, and reserve a logic-fit margin of at least 20-30% of the 1,452 CLBs to avoid routing congestion late in the design cycle.
The 208-pin PQFP has 0.5 mm-pitch gull-wing leads. Follow the Microchip SX-A datasheet land pattern and specify a no-clean or water-wash solder profile compatible with 0.5 mm pitch to prevent bridging on the dense periphery. Place package decoupling capacitors (100 nF per supply pin pair, plus bulk capacitance) within a few millimeters of VDD/VSS pins; the PQFP's perimeter power pins benefit from a continuous ground plane on layer 2 for low-inductance return paths.
Estimated: CMOS dynamic power scales with f * C * V^2, so although core supply details should be confirmed against the SX-A datasheet, keeping toggle rates on high-fanout nodes low and registering outputs at the pad ring reduces I/O switching current substantially. Verify I/O banking voltage groupings in the datasheet package tables before assigning 3.3 V and 5 V-tolerant signals - mixing levels across a bank is a common rework cause on 208-pin PQFP layouts.
The plastic PQFP-208 relies on PCB copper for heat dissipation. Estimated: at typical SX-A switching currents (tens of mA core plus I/O loads), junction rise above ambient is modest, but designs driving many outputs at high frequency should add thermal vias under the package center and at least 2 oz copper on the ground plane. Per the Microchip SX-A datasheet, thermal characteristics depend on device, package, airflow, and system dissipation capability - model your specific conditions.
Maklumat Kesediaan
ROHS COMPLIANT per FindIC and Jotrin verified listings for A54SX16A-2PQG208I. Mouser lists the family variant as LEAD FREE. REACH, halogen-free and conflict-minerals status not stated in provided data - consult official Microchip compliance documents.
