A54SX08A-1TQG100 - 12K Gate SX-A FPGA TQFP-100 | Microchip
MPN： A54SX08A-1TQG100 ✓ 啟用中A54SX08A-1TQG100 概覽
A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that a designer wires together to implement custom digital logic. Within the programmable logic hierarchy, an FPGA sits above SPLDs and CPLDs and below full-custom ASICs, offering ASIC-like integration without mask-tooling costs. The SX-A family uses antifuse (Act-3 style) programming technology: connections are permanently formed at programming time, giving non-volatile, radiation-tolerant, single-chip operation with no external configuration memory and inherently better security and SEU immunity than SRAM-based FPGAs.
Key features of the A54SX08A include the 12,000-gate (768 CLB) array, 278 MHz system toggle frequency, low 2.5 V core supply for reduced power consumption, 81 available user I/O on the 100-pin TQFP, and lead-free, RoHS-compliant packaging. The -1 speed grade denotes the standard commercial speed bin of the SX-A family. As an antifuse device, it is one-time programmable, which eliminates configuration boot time and reduces bill-of-materials count versus SRAM FPGAs that require a serial configuration flash.
Architecturally, the SX-A array consists of a sea of C-cells and S-cells organized into 768 CLBs, connected through segmented routing channels. This fine-grained, antifuse-switched fabric delivers deterministic timing, making it well suited to glue logic consolidation, bus bridging, state machines, and control-plane functions.
Typical applications include industrial control systems, consumer electronics, communications and networking interface bridging, military/aerospace logic requiring high security, and single-chip integration of multiple discrete logic devices to reduce board area and cost.
Design consideration: because the device is one-time programmable, functional verification in simulation (Libero or Designer software) must be exhaustive before programming; speed grade and temperature range suffixes must match the application environment.
This page synthesizes distributor availability data, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX08A-1TQG100 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： A54SX08A-1TQG100 （相同外形與佔位） — 差異在於 Package, System Gates, RoHS Status, Family, Speed Grade.
A54SX08A-TQG100A
✅ 直接替換聯絡詢價
查看資料表 →A54SX08A-FTQ100
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-1TQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-2TQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-TQG100M
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-TQG100A
✅ 直接替換聯絡詢價
查看資料表 →A54SX08A-1TQG100 最大額定值與電氣特性
| Family | SX-A (SXA) |
| System Gates | 12000 (approx. 8000 typical gates) |
| Configurable Logic Blocks (CLBs) | 768 |
| Logic Cells | 768 |
| Number of Cells | 512 |
| Maximum Toggle Frequency | 278 MHz |
| Process Technology | 0.25 um CMOS |
| 供應電壓 | 2.5 V |
| Number of I/O | 81 |
| 腳位數 | 100 |
| 封裝 | 100-pin TQFP (LQFP), 1.4 mm height |
| Speed Grade | -1 (standard) |
| Programming Technology | Antifuse (one-time programmable) |
| 安裝類型 | Surface Mount |
| Lead Free | Yes |
| RoHS 狀態 | Compliant |
A54SX08A-1TQG100 100-pin tqfp (lqfp), 1.4 mm height 腳位配置指南
A54SX08A-1TQG100（100-pin tqfp (lqfp), 1.4 mm height 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： A54SX08A-1TQG100.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX08A-1TQG100 適用於 6 應用s: Industrial Control and Automation, Consumer Electronics Logic Consolidation, Communications and Networking Interface Bridging, Military and Aerospace High-Security Logic, Test and Measurement Instrumentation, Medical Device Control Logic.
Industrial Control and Automation
The A54SX08A-1TQG100 fits industrial control boards that need deterministic, glue-free integration of counters, state machines, bus interfaces, and I/O expansion. Its 768 CLBs and 278 MHz toggle rate comfortably handle PLC I/O scanning logic, encoder interfaces, and interlock sequencing, while the antifuse fabric delivers fixed timing with no configuration boot delay - important for fail-safe startup in factory equipment. In a typical design, the 2.5 V FPGA sits behind 3.3 V/5 V-tolerant level-translation on its 81 user I/O, consolidating dozens of 74-series devices into one 100-pin TQFP. The one-time-programmable nature also prevents field tampering of control logic, a benefit for machinery security and process integrity.
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Consumer Electronics Logic Consolidation
In consumer products, the A54SX08A-1TQG100 replaces multiple discrete logic ICs with a single low-cost chip, cutting BOM count, board area, and assembly cost. The SX-A family is explicitly positioned by Microchip for low-cost single-chip integration of multiple functions. With 8,000 typical gates and 81 I/O, designs such as remote-control protocols, display timing generators, keypad scanning, and simple bus translation fit comfortably. The 2.5 V supply suits battery-operated and USB-powered devices by reducing dynamic power relative to 5 V logic families, and the lead-free RoHS 100-TQFP supports mass-reflow consumer manufacturing. Because antifuse programming is permanent, manufacturers avoid external configuration memory - one less component on cost-sensitive consumer PCBs.
推薦
Communications and Networking Interface Bridging
The A54SX08A-1TQG100 serves as a protocol bridge and framer glue in legacy communications line cards and networking equipment. Its 278 MHz toggle capability supports counters and pipeline stages for standard-speed serial and parallel interfaces, while deterministic antifuse routing simplifies timing closure without modern STA iteration. Typical usage maps the 81 I/O to PHY control buses, backplane status lines, and LED/maintenance interfaces, consolidating PAL/GAL/74x logic into one TQFP. The zero-configuration boot of antifuse fabric means the bridge is operational the instant power is applied - valuable where a management CPU must enumerate cards immediately. For higher-capacity bridging, the same-footprint A54SX32A devices allow a board-level migration without respinning the PCB.
推薦
Military and Aerospace High-Security Logic
Antifuse FPGAs are a long-standing choice in military and aerospace systems because configuration bits are physically burnt rather than stored in SRAM, eliminating readback attack paths and improving SEU resilience. The A54SX08A-1TQG100's 12,000 gates implement secure boot-sequencers, telemetry encoders, and discrete command logic, while the M-suffix family members (e.g., A54SX32A-TQG100M) extend temperature range for flight environments. The non-volatile single-chip operation removes configuration PROMs, reducing failure points in systems where maintenance access is impossible. Designs typically pair the FPGA with radiation-hardened support logic; the deterministic antifuse timing also eases worst-case timing analysis required by military qualification documentation.
推薦
Test and Measurement Instrumentation
Bench and embedded test instruments use the A54SX08A-1TQG100 for trigger logic, counter/timer front ends, and bus-interface glue. The fine-grained 768-CLB antifuse fabric provides predictable gate delays that matter when building precision time-interval counters, and the 278 MHz toggle ceiling supports event counting in the tens-of-MHz regime with prescaling. Because the device is non-volatile, instruments power up ready to measure with no FPGA-load step, reducing boot time in production-line testers that cycle power thousands of times daily. The 81 user I/O map directly to relay-drive lines, comparator interfaces, and status buses, replacing a dense cluster of TTL devices and improving signal traceability on the PCB.
推薦
Medical Device Control Logic
Portable and benchtop medical equipment benefits from the A54SX08A-1TQG100's combination of low power (2.5 V core), deterministic logic, and secure one-time programming. Typical roles include sensor multiplexing control, alarm sequencers, and interface glue between analog front-end ICs and a host microcontroller. Because antifuse configuration cannot be altered after manufacture, device firmware-logic integrity is fixed at production test - a useful property for regulatory documentation of the logic function. The 100-pin TQFP's 1.4 mm profile suits compact handheld enclosures, and the lead-free RoHS construction aligns with medical-device material compliance requirements. Zero boot delay ensures safety interlocks are active at the instant power is applied.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX08A-1TQG100 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | A54SX08A-TQG100A | A54SX08A-FTQ100 | A54SX32A-1TQG100I | A54SX32A-2TQG100I | A54SX32A-TQG100M |
|---|---|---|---|---|---|---|
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 12000 (approx. 8000 typical) | 12000 | 12000 | 32000 | 32000 | 32000 |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| User I/O | 81 | 81 | 81 | 81 | 81 | 81 |
| Speed / Temperature Grade | -1 (standard) | Extended (A suffix) | F grade | -1, industrial (I) | -2, industrial (I) | Military (M) |
| Programming Technology | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
主要差異化特點
- Lowest-cost entry point of the SX-A family in TQFP-100 (對比A54SX32A-1TQG100I)
- Non-volatile antifuse fabric with zero boot delay (對比SRAM-based FPGAs (cross-family))
- Extended-temperature pin-compatible upgrade available (對比A54SX08A-TQG100A)
- Trade-off: no field reprogrammability (對比A54SX32A-2TQG100I)
設計說明
Design a clean 2.5 V rail for the A54SX08A-1TQG100 core supply. Decouple with at least 0.1 uF ceramic capacitors at each VDD pin pair plus bulk 10 uF near the device. Although antifuse FPGAs draw modest static current, dynamic current scales with toggle rate - a design toggling at the 278 MHz family ceiling needs tighter rail decoupling than a slow state machine. Per estimated analysis, a 768-CLB design toggling heavily may draw tens of milliamps; size the regulator with margin and verify with Microchip Designer power estimation tools.
The A54SX08A is one-time programmable (antifuse): an incorrect or changed bitstream permanently consumes a device. Complete the full simulation flow and timing verification in Microchip Designer/Libero before any programming run, and order pilot quantities accordingly. Also verify the exact speed/temperature suffix (-1 standard here vs A/M/I variants) on purchase orders - mixing grades is a common sourcing error in the SX-A family because MPN strings differ by only a few characters.
The 100-pin TQFP (0.5 mm lead pitch, 1.4 mm height) requires accurate land pattern per the manufacturer package drawing; avoid hand routing under the package center. Provide grounded thermal relief around the die area, keep the 81 user I/O stub lengths short for the fastest switchers, and reserve test pads for programming access because antifuse programming requires direct pin access per the SX-A programming specification. Series terminate long I/O lines to control reflections at edge rates typical of the 0.25 um process.
I/O banks on the SX-A family are powered from the same 2.5 V supply domain as the core, so input signals from 3.3 V devices must be verified against the SX-A datasheet absolute maximum and VIH specifications, using level shifters or series resistors where required. For buses exceeding roughly 10 cm of trace, add 22-33 ohm series termination at the driver; this is a board-level estimate based on typical 0.25 um CMOS edge rates and should be confirmed with IBIS-style simulation where available.
合規資訊
Distributor and datasheet listings (Jotrin, GlobalSpec) explicitly describe the A54SX08A-1TQG100 as ROHS COMPLIANT and Lead Free. REACH, halogen-free, and conflict-minerals status were not stated in the provided data.
