RTAX2000SL-1CQ256PROTO - 2M-Gate Rad-Tolerant FPGA | Microchip
料号： RTAX2000SL-1CQ256PROTO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
RTAX2000SL-1CQ256PROTO 概述
A radiation-tolerant FPGA is a programmable logic device qualified to operate in the high-radiation environment of space, where single-event effects (SEE) and total ionizing dose (TID) would degrade commercial silicon. Within the power-management hierarchy of spacecraft avionics, such devices sit at the top of the reliability ladder, above commercial FPGAs and industrial-grade CPLDs. The RTAX-S/SL family is based on the commercial Axcelerator architecture and is the choice of space designers for its low power, true single-chip form factor, and live-at-power-up operation.
Key features include antifuse one-time-programmable (OTP) configuration that is immune to configuration upsets, embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, chip-wide highway routing, and carry-chain arithmetic support. The SL variant offers reduced static power compared to the standard RTAX-S die, an important advantage in power-constrained satellites.
The device is programmed once via antifuse elements, so unlike SRAM FPGAs no external configuration PROM is required and the logic is live at power-up. Designers typically prototype on the PROTO unit and fly the equivalent V-grade (space flight) part.
Typical applications include satellite payload processing, spacecraft bus control, telemetry and telecommand interfaces, and instrument control for deep-space missions.
Design consideration: because antifuse devices are OTP, timing closure and pin assignment must be fully verified in simulation before programming the flight unit.
This page synthesizes distributor availability, drop-in same-package alternatives, and practical space-design notes not consolidated in the manufacturer datasheet.
直接替换替代料： RTAX2000SL-1CQ256PROTO ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： RTAX2000SL-1CQ256PROTO （相同外形与封装尺寸） ——差异在于 Package, Configuration, Embedded Memory, Radiation Tolerance, Technology.
快速对比工具——选择替代料号进行并排对比：
RTAX2000SL-CQ256V
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →RTAX2000SL-1CQ256B
✅ 直接替换📋 参考替代料（不在目录中）
RTAX2000S-1CQ256PROTO
✅ 直接替换✓ 有现货
$1595 / 个
查看数据手册 →RTAX2000SL-1CQ256PROTO 最大额定值与电气特性
| Equivalent System Gates | 2,000,000 |
| Configurable Logic Blocks (CLBs) | 21,504 |
| Family | RTAX-S/SL Radiation-Tolerant FPGA |
| Logic Architecture Base | Axcelerator commercial architecture |
| Program Technology | Antifuse (One-Time Programmable) |
| Speed Grade | 1 |
| 封装 | CQ256 (256-pin ceramic quad flat package) |
| Device Grade | PROTO (prototype / engineering) |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Radiation Tolerance | Radiation-tolerant (space-flight class) |
| Configuration Retention | Non-volatile, live at power-up |
| Clocking Features | Segmentable clocks, chip-wide highway routing |
| 安装类型 | Surface Mount |
RTAX2000SL-1CQ256PROTO cq256 (256-pin ceramic quad flat package) 引脚配置指南
RTAX2000SL-1CQ256PROTO（cq256 (256-pin ceramic quad flat package) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： RTAX2000SL-1CQ256PROTO.
请参阅 数据手册 以查看完整引脚配置。
典型应用
RTAX2000SL-1CQ256PROTO 适用于 6 应用s: Satellite Payload Data Processing, Spacecraft Bus Control and Housekeeping, Deep-Space Instrument Control, Launch Vehicle Avionics, Radiation Test Vehicle and SEE Characterization, Prototype Validation with Reprogrammable Flow.
Satellite Payload Data Processing
The RTAX2000SL-1CQ256PROTO fits satellite payload processing where 2,000,000 equivalent gates and 21,504 CLBs provide enough capacity for on-board data compression, packet formatting, and FFT preprocessing. The antifuse configuration is immune to configuration upsets from single-event effects, eliminating the external configuration PROM required by SRAM FPGAs and removing boot-time exposure to radiation-induced reload failures. The SL die variant reduces static power versus the standard RTAX-S die, which matters in power-limited payload buses. Embedded SRAM with built-in FIFO control logic buffers high-rate sensor streams, while chip-wide highway routing sustains data flow between processing blocks. Used as the PROTO engineering device, it validates the flight design before procurement of screened V-grade units on the same CQ256 footprint.
推荐
Spacecraft Bus Control and Housekeeping
For spacecraft bus control, the RTAX2000SL-1CQ256PROTO implements telemetry/telecommand interfaces, mode control state machines, power-switch sequencing, and watchdog logic. Live-at-power-up antifuse configuration means bus control logic is operational the instant spacecraft power is applied, with no configuration load time - critical during launch sequencing and eclipse recovery. The segmentable clock structure supports multiple independent clock domains for redundant command chains, and the 21,504 CLB fabric absorbs interface standards (MIL-STD-1553-type framing, UART, SPI) without external glue logic. Low power consumption of the SL die eases the housekeeping power budget. Prototyping on the PROTO unit allows bus designers to lock pin assignments before ordering flight devices in the identical CQ256 ceramic package.
推荐
Deep-Space Instrument Control
Deep-space instruments - imagers, spectrometers, and particle detectors - require logic that survives years of total ionizing dose and heavy-ion flux. The RTAX2000SL-1CQ256PROTO serves as the engineering vehicle for such designs: its 2,000,000 gates implement detector readout sequencing, co-addition, and timing generators, while embedded SRAM FIFOs decouple slow instrument cycles from high-rate downlink bursts. Because antifuse cells are permanently programmed, configuration integrity cannot degrade over mission life, an advantage the Microchip RTAX-S datasheet highlights for space-flight systems. Carry-chain arithmetic supports on-board calibration math. Design teams validate timing and I/O assignments on the PROTO unit, then transfer the identical netlist to the same-package flight device, avoiding any footprint or pinout respin.
推荐
Launch Vehicle Avionics
Launch vehicle flight computers, separation logic, and telemetry encoders demand deterministic, radiation-tolerant logic with zero configuration latency. The RTAX2000SL-1CQ256PROTO allows avionics developers to complete hardware validation on a prototype-grade device: the 21,504-CLB fabric implements redundant voter logic, discrete I/O conditioning, and time-tagged event capture, and the chip-wide highway routing simplifies distributing global timing signals across the die. Live-at-power-up operation ensures flight logic is armed as soon as pyro or battery buses are applied, with no boot dependency. The PROTO device de-risks the design at engineering budget, after which the identical CQ256 footprint accepts screened flight-grade RTAX2000SL parts for qualification and mission builds without PCB modification.
推荐
Radiation Test Vehicle and SEE Characterization
Radiation test campaigns need hardware whose configuration cannot flip under heavy-ion exposure, making the antifuse RTAX2000SL an ideal test vehicle. Using the PROTO-grade RTAX2000SL-1CQ256PROTO, test engineers build shift-register chains, mitigation monitors, and clock-stress circuits across the 2,000,000-gate fabric to characterize single-event latchup and single-event upset rates of the surrounding board electronics. The CQ256 ceramic package supports socketed or carrier-mounted test setups, and the one-time-programmable fabric guarantees that any observed errors originate in the device-under-test, not in the controller FPGA configuration. Results gathered on the PROTO unit directly inform mitigation design for the flight version, which is procured on the identical pin-compatible footprint.
推荐
Prototype Validation with Reprogrammable Flow
Because antifuse devices are one-time programmable, iterative firmware debugging on RTAX2000SL flight die is expensive. A proven workflow pairs the RTAX2000SL-1CQ256PROTO with the Aldec RTAX prototyping adaptor, which maps the RTAX netlist onto flash-based ProASIC3E technology for rapid reprogrammable emulation. The PROTO device then serves as the final one-shot verification target: timing-verified with Libero speed-grade-1 models, pin assignments locked to the CQ256 footprint, and design frozen before programming. This two-stage flow - reprogrammable emulation followed by PROTO antifuse validation - delivers flight-ready confidence while conserving the engineering budget, since only fully verified designs consume antifuse units ahead of the screened flight-grade procurement.
推荐
推荐产品汇总
工程参考数据： RTAX2000SL-1CQ256PROTO ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | RTAX2000SL-CQ256V | RTAX2000SL-1CQ256B | RTAX2000S-1CQ256PROTO |
|---|---|---|---|---|
| Package | CQ256 (256-pin ceramic QFP) | CQ256 - same | CQ256 - same | CQ256 - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 2,000,000 | 2,000,000 | 2,000,000 | 2,000,000 |
| CLBs | 21,504 | 21,504 | 21,504 | 21,504 |
| Device Grade / Screening | PROTO (engineering) | V (space flight) | B (hi-rel screened) | PROTO (engineering) |
| Die Variant (Static Power) | SL (low static power) | SL (low static power) | SL (low static power) | S (standard static power) |
| Program Technology | Antifuse (OTP), live at power-up | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
关键差异点
- Engineering-grade cost with flight-identical footprint （对比 RTAX2000SL-CQ256V)
- Low static power SL die （对比 RTAX2000S-1CQ256PROTO)
- Antifuse OTP configuration immunity （对比 Commercial SRAM FPGAs (e.g., A3PE3000 family))
设计说明
RTAX-S/SL devices are antifuse one-time programmable: a programmed PROTO unit cannot be erased or reprogrammed. Complete full RTL simulation, timing closure with Libero speed-grade-1 models, and pin assignment review before generating the programming file. Reserve flight pin assignments on the CQ256 footprint from the first engineering build so the netlist transfers unchanged to the screened flight device. The Aldec RTAX prototyping adaptor (ProASIC3E flash-based) can emulate the design reprogrammably before committing an antifuse unit.
Choose the SL die deliberately: RTAX2000SL offers lower static power than the RTAX2000S in the same package, which is usually decisive in power-limited satellite buses. Budget power using the Libero SmartPower tool with realistic toggle rates; dynamic power in the 21,504-CLB fabric typically dominates at high clock rates while static power differentiates the S and SL die. Estimated: any board-level power figure must combine core, I/O, and per-bank I/O currents from the manufacturer power calculator, not rule-of-thumb values.
The CQ256 ceramic package requires attention to thermal-expansion matching on the PCB: use materials compatible with the ceramic body's CTE to avoid solder-joint fatigue over qualification temperature cycling. Follow the Microchip RTAX-S/SL datasheet package section for land pattern and lead-forming guidance for 256-pin CQFP leads, and verify lid orientation and pin-1 marking against the package drawing before routing, since CQFP pin numbering is counter-clockwise around the package.
合规信息
Ceramic CQFP hermetic packages for space-grade FPGAs typically have specific RoHS/lead exemptions; qualification is per space/hi-rel flows (e.g., QML class V context referenced in Microchip DLA Cross Reference Guide). No explicit RoHS/REACH statement appeared in the provided data.
