RTAX4000S-1CG1272V - 4M-Gate Rad-Tolerant FPGA | Microchip
料号： RTAX4000S-1CG1272V ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8500 | $8,500.00 |
| 10 | $8200 | $82,000.00 |
| 100 | $7900 | $790,000.00 |
| 500 | $7600 | $3,800,000.00 |
| 1,000 | $7300 | $7,300,000.00 |
RTAX4000S-1CG1272V 概述
A radiation-tolerant FPGA is a field-programmable gate array qualified and architected for space-flight environments, where cosmic rays and trapped-proton radiation can cause single-event upsets (SEUs) and total ionizing dose (TID) degradation. Within the power-management hierarchy of spacecraft avionics, such FPGAs occupy the highest-reliability tier above commercial and military-grade programmable logic, sitting alongside rad-hard ASICs while retaining field programmability.
Key features of the RTAX4000S include single-chip operation with live-at-power-up functionality enabled by its antifuse-based One-Time Programmable (OTP) architecture, which removes the need for external configuration storage - a significant advantage over SRAM FPGAs where configuration bitstream storage is a single point of failure in orbit. Embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, and chip-wide highway routing support high-performance signal processing and data-path designs.
Technically, the RTAX-S family derives from Microsemi (formerly Actel) commercial Accelerator devices, adapted with radiation-tolerant process and screening. The -1 speed grade denotes the standard commercial speed bin; the V suffix denotes a screening/flow variant within the space product line. The device operates from -55C to +125C and supports radiation performance figures documented in the manufacturer datasheet.
Typical applications include satellite payload data processing, spacecraft bus control, telemetry and telecommand interfaces, and instrument control for space-based imaging and scientific missions.
A key design consideration is that antifuse FPGAs are OTP: unlike flash-based ProASIC3E devices used in the Aldec prototyping adaptor flow, design changes require new silicon, so full RTL simulation and on a reprogrammable prototype are essential before committing to flight units.
This page synthesizes verified distributor data, same-family drop-in alternatives, and practical design guidance not found in a single manufacturer source.
直接替换替代料： RTAX4000S-1CG1272V ——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： RTAX4000S-1CG1272V （相同外形与封装尺寸） ——差异在于 Package, Configuration, Family, Logic Cells, Equivalent System Gates.
快速对比工具——选择替代料号进行并排对比：
RTAX4000SL-1CG1272V
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →RTAX4000S-CG1272V
✅ 直接替换✓ 有现货
$10200 / 个
查看数据手册 →RTAX4000SL-CG1272E
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →RTAX4000S-1LG1272V
✅ 直接替换✓ 有现货
$9300 / 个
查看数据手册 →RTAX4000S-1CG1272V 最大额定值与电气特性
| Logic Cells | 60480 |
| CLBs (Combinatorial Logic Blocks) | 40320 |
| Equivalent System Gates | 4000000 gates |
| Family | RTAX-S Radiation-Tolerant FPGA |
| Supply Voltage (Nominal) | 1.5 V |
| Speed Grade | -1 |
| 封装 | CBGA1272 (CG1272) ceramic column grid array |
| Terminal Pitch | 1.000 mm |
| Ball/Column Count | 1272 |
| 工作温度范围 | -55C to +125C |
| Programmability | One-Time Programmable (antifuse) OTP |
| Configuration | Live at power-up, true single-chip |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Clock Architecture | Segmentable clocks, chip-wide highway routing |
| 安装类型 | Surface Mount |
| Application Domain | Space-flight systems (radiation-tolerant) |
RTAX4000S-1CG1272V cbga1272 (cg1272) ceramic column grid array 引脚配置指南
RTAX4000S-1CG1272V（cbga1272 (cg1272) ceramic column grid array 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： RTAX4000S-1CG1272V.
请参阅 数据手册 以查看完整引脚配置。
典型应用
RTAX4000S-1CG1272V 适用于 6 应用s: Satellite Payload Data Processing, Spacecraft Bus Control and Command and Data Handling, Space Instrument Front-End and Imaging Control, Redundant Avionics and Fault-Tolerant Systems, Telemetry, Tracking and Command (TT&C) Front Ends, Deep-Space and Radiation-Hard Mission Electronics.
Satellite Payload Data Processing
The RTAX4000S-1CG1272V fits payload processing chains where 4,000,000 equivalent gates of reconfigurable logic must survive the space radiation environment. Its 40320 CLBs implement parallel data formatting, convolution, and framer functions, while embedded SRAM blocks with built-in FIFO control absorb burst-rate mismatches between high-speed instrument interfaces and downlink encoders. Live-at-power-up antifuse configuration removes the boot-time and configuration-memory failure modes of SRAM FPGAs, critical for instruments that must image on the first pass after deployables open. The 1.5 V core keeps static power low for power-constrained orbits, and the -55C to +125C range covers both eclipse and direct-sun thermal cases on external payload panels.
推荐
Spacecraft Bus Control and Command and Data Handling
In spacecraft command and data handling units, the RTAX4000S-1CG1272V implements telecommand decoders, telemetry formatters, time-code distribution, and mode-control state machines. Its true single-chip, live-at-power-up behavior guarantees that bus control logic is operational the instant power is applied - vital for safe-mode autonomy when a processor must be held in reset. The chip-wide highway routing and segmentable clock architecture support independent clock domains for redundant command chains. With a 1.5 V nominal supply and radiation-tolerant CMOS, the device sustains long missions, and its OTP configuration eliminates the single-event functional interrupt risk posed by external configuration memories in conventional FPGAs.
推荐
Space Instrument Front-End and Imaging Control
Scientific imaging instruments - star trackers, hyperspectral cameras, and synthetic-aperture radar front ends - use the RTAX4000S-1CG1272V for detector timing generation, high-speed serial deserialization, and on-board correlation preprocessing. The 60480-cell architecture provides headroom for pipelined DSP datapaths implemented in fabric, while embedded SRAM/FIFO blocks buffer detector line data between acquisition and compression stages. Radiation tolerance and the -55C to +125C operating range suit instruments mounted on thermally extreme optical benches. Designers typically validate RTL on an Aldec flash-based ProASIC3E prototyping adaptor before programming the one-time-programmable flight device, since antifuse interconnect cannot be reworked after commit.
推荐
Redundant Avionics and Fault-Tolerant Systems
Launch vehicles and crewed-adjacent spacecraft employ triple-modular-redundancy schemes where the RTAX4000S-1CG1272V implements voter logic, cross-strapping, and graceful-degradation controllers among redundant computing channels. The antifuse fabric's immunity to configuration upset makes it a natural host for the most safety-critical voting functions, since it cannot suffer configuration-memory single-event upsets the way SRAM FPGAs do. The 4M-gate capacity hosts multiple redundant channels of interface logic in a single CG1272 device, reducing part count and board area. SL-screened variants (RTAX4000SL-1CG1272V) with tighter ICCA current limits at 125C final test are preferred where leakage screening is mandated.
推荐
Telemetry, Tracking and Command (TT&C) Front Ends
TT&C units rely on the RTAX4000S-1CG1272V for baseband functions such as PCM/PSK signal formatting, convolutional and Reed-Solomon companion logic, and antenna-pointing interface control. The segmentable clock structure allows independent clocking of the uplink decoder and downlink encoder domains, while chip-wide highway routing simplifies timing closure across the 1272-column die. The 1.5 V core supply minimizes power draw during continuous beacon transmission, and the ceramic CBGA package provides the hermeticity and thermal cycling robustness demanded by launch environments. OTP configuration guarantees the TT&C mode logic is instantly available at power-up for acquisition sequences after separation events.
推荐
Deep-Space and Radiation-Hard Mission Electronics
For deep-space probes operating beyond low Earth orbit, where total ionizing dose and single-event effects are severe, the RTAX4000S-1CG1272V serves as the main programmable fabric for science data acquisition and autonomous fault management. Its antifuse interconnect, formed permanently at programming, is inherently immune to configuration-bit flip mechanisms, and the family's radiation performance is documented in the manufacturer RTAX-S/SL datasheet for TID and SEE environments. The 4M-gate density supports adaptive on-board autonomy algorithms that grow in importance as communication delays preclude ground intervention. Designers should budget power using datasheet ICC figures at 1.5 V and the -1 speed grade, and perform SEE analysis with Microchip-published test reports.
推荐
推荐产品汇总
工程参考数据： RTAX4000S-1CG1272V ——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 | RTAX4000SL-1CG1272V | RTAX4000S-CG1272V | RTAX4000SL-CG1272E | RTAX4000S-1LG1272V |
|---|---|---|---|---|---|
| Package | CBGA1272 (CG1272) | CBGA1272 - same | CBGA1272 - same | CBGA1272 - same | LG1272 (1272 terminals, land-grid variant) |
| Brand | Microchip Technology (Actel/Microsemi heritage) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 |
| Logic Cells | 60480 | 60480 | 60480 | 60480 | 60480 |
| CLBs | 40320 | 40320 | 40320 | 40320 | 40320 |
| Supply Voltage | 1.5 V nominal | 1.5 V nominal | 1.5 V nominal | 1.5 V nominal | 1.5 V nominal |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C |
| Screening / Flow | V-suffix space flow, -1 speed grade | SL: tighter ICCA screening at 125C final test | V-suffix space flow, standard speed bin | E: engineering/prototype flow, not for flight | V-suffix space flow, LG column attachment |
| Programmability | Antifuse OTP, live at power-up | Antifuse OTP, live at power-up | Antifuse OTP, live at power-up | Antifuse OTP, live at power-up | Antifuse OTP, live at power-up |
关键差异点
- Highest density in the RTAX-S family （对比 RTAX2000S-1CGS624V)
- Tighter screening option within the same footprint （对比 RTAX4000SL-1CG1272V)
- OTP live-at-power-up versus flash prototyping （对比 A3PE3000-1FGG896I)
设计说明
RTAX4000S is one-time programmable (antifuse): once programmed, the interconnect cannot be changed, and design errors require new silicon with months of lead time. Complete RTL simulation, formal verification, and hardware prototyping on Microchip's flash-based ProASIC3E flow (e.g., via the Aldec RTAX/RTSX prototyping adaptor) before releasing flight units. Reserve program-margin analysis and duplicate-device procurement in the program schedule, as re-spins of space-grade OTP FPGAs are among the longest lead-time items in spacecraft electronics.
The core runs at 1.5 V nominal; distribute the core rail with low-impedance planes and follow the RTAX-S datasheet decoupling guidance for the CG1272 package, which presents many simultaneous-switching outputs across 1272 terminals. Estimated: with dozens of simultaneously switching I/O banks, transient di/dt demands are far higher than commercial BGA parts of similar size - use bulk ceramic capacitance near each bank plus distributed 0.1 uF decoupling. Confirm exact ICC numbers from the manufacturer datasheet for your speed grade rather than estimating from this page.
The CG1272 uses solder-column attachment rather than conventional balls; per the manufacturer datasheet, only QA electrical and mechanical visual inspection is performed after column attachment at the factory. On the PCB side, design the land pattern to the CG1272 mechanical drawing and note that RTAX-DSP variants (RTAX4000D) use a slightly larger CG1272 body - do not copy land patterns between S and D devices. Use x-ray inspection for column solder joints after reflow, and verify warpage limits for thick ceramic packages during profile development.
合规信息
Space-grade ceramic hermetic package; compliance declarations (RoHS/REACH) were not present in the verified web data and must be obtained from Microchip product documentation or the distributor quote.
