RTAX4000SL-1CG1272V - 4M-Gate Rad-Tolerant FPGA | Microchip
料号： RTAX4000SL-1CG1272V ✓ 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 |
RTAX4000SL-1CG1272V 概述
A radiation-tolerant FPGA is a field-programmable gate array qualified to survive the ionizing radiation environment of orbital and deep-space missions. Within the power-management-free programmable-logic hierarchy, it sits at the top tier of the RTAX family: FPGA -> radiation-tolerant FPGA -> space-grade configurable logic. Unlike commercial FPGAs, the RTAX-S/SL family combines SEU-hardened flip-flops with antifuse one-time-programmable interconnect, so configuration data cannot be corrupted by single-event upsets.
Key features include SEU-immune registers that eliminate the need for triple-module redundancy (TMR) on sequential logic, single-event upset rates below 10-10 errors/bit-day, live-at-power-up operation from the antifuse fabric, true single-chip form factor without external configuration devices, and embedded SRAM blocks with built-in FIFO control logic. The SL variant offers reduced power relative to the base RTAX-S, an important consideration for solar- and battery-powered spacecraft.
Architecturally, RTAX-S/SL derives from the Microsemi commercial Axcelerator family, using a CMOS process with 0.6V-threshold antifuse elements. The fabric combines cluster modules, segmentable clock resources, and chip-wide routing; system-level features such as embedded FIFOs and DDR-capable I/O banks support data-handling payloads, telemetry, and bus interfaces.
Typical applications include satellite avionics and payload data processing, spacecraft bus controllers, instrument control for scientific probes, and radiation-exposed downlink/telemetry baseband chains. The CGA-1272 ceramic package provides the mechanical robustness and hermeticity demanded by launch vibration and vacuum environments.
Design consideration: because the antifuse fabric is one-time programmable, the accepted flow is prototyping on footprint-compatible ProASIC3E-based adaptor boards (for example the Aldec RTAX prototyping platform), then migrating the netlist to the flight device.
This page synthesizes verified distributor data, drop-in package-compatible variants, and practical radiation-hardening design notes not found in the manufacturer datasheet.
直接替换替代料： RTAX4000SL-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： RTAX4000SL-1CG1272V （相同外形与封装尺寸） ——差异在于 Package, Configuration, Family, SEU Immunity, Logic Cells.
快速对比工具——选择替代料号进行并排对比：
RTAX4000SL-1CG1272E
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →RTAX4000SL-CG1272E
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查看数据手册 →RTAX4000SL-1LG1272V
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联系询价
查看数据手册 →RTAX4000SL-LG1272V
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查看数据手册 →RTAX4000S-LG1272V
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$9600 / 个
查看数据手册 →RTAX4000S-1LG1272PROTO
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联系询价
查看数据手册 →RTAX4000SL-1CG1272V 最大额定值与电气特性
| Equivalent System Gates | 4,000,000 gates |
| Logic Cells | 40,320 |
| Family | RTAX-S/SL Radiation-Tolerant FPGA |
| Core Supply Voltage (Nominal) | 1.5 V |
| Core Supply Voltage Range | 1.425 V to 1.575 V |
| Logic Technology | CMOS, antifuse (one-time programmable) |
| Package Type | CGA-1272 ceramic column grid array |
| 引脚数量 | 1272 |
| 工作温度 | -55C to +125C |
| SEU Hardening | SEU-hardened registers, no external TMR required |
| SEU Rate | < 10-10 errors/bit-day |
| Configuration | Live at power-up, single-chip (no external config device) |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Programmability Type | OTP (one-time programmable) |
| Speed Grade | -1 |
| Qualification Grade | V (space flight / radiation-tolerant) |
| 安装类型 | Surface Mount |
RTAX4000SL-1CG1272V cga-1272 ceramic column grid array 引脚配置指南
RTAX4000SL-1CG1272V（cga-1272 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： RTAX4000SL-1CG1272V.
请参阅 数据手册 以查看完整引脚配置。
典型应用
RTAX4000SL-1CG1272V 适用于 6 应用s: Satellite Payload Data Processing, Spacecraft Bus Control and Avionics, Scientific Instrument Control, Telemetry and Downlink Baseband, Launch Vehicle and Missile Electronics, Ground Test and Prototyping Systems.
Satellite Payload Data Processing
The RTAX4000SL-1CG1272V fits high-throughput payload data processing chains where 4,000,000 equivalent gates and 40,320 logic cells implement compression, formatting, and channelization pipelines. Its SEU-hardened registers achieve error rates below 10-10 errors/bit-day without external TMR, preserving logic capacity that SRAM FPGAs would consume on redundancy. The SL fabric reduces dynamic power, extending battery and solar budgets in orbit. Embedded SRAM with built-in FIFO control buffers data between high-rate sensors and downlink encoders. Because configuration is antifuse OTP and live at power-up, the payload needs no configuration PROM, removing an SEU-vulnerable external memory from the data path entirely in the 1.5V CMOS core.
推荐
Spacecraft Bus Control and Avionics
Spacecraft bus controllers require deterministic logic that is alive the instant power is applied. The RTAX4000SL-1CG1272V's antifuse fabric is live at power-up, implementing command decoding, mode control, and power-switching state machines without boot time or configuration readback. The -55C to +125C operating range and hermetic CGA-1272 package withstand eclipse thermal cycling and launch vibration. SEU-hardened registers keep command-and-handling logic immune to upsets, critical for functions such as safe-mode entry that must never misfire. Designers typically pair the FPGA with rad-tolerant interface transceivers and implement MIL-STD-1553, SpaceWire, or CAN-style bus logic within the 1.5V core fabric.
推荐
Scientific Instrument Control
Deep-space and Earth-observation instruments demand precise, low-noise sequencing of detectors, ADCs, and mechanisms. The RTAX4000SL-1CG1272V provides 4M gates for implementing high-resolution timing generators, co-addition engines, and detector-bias sequencing. The SL fabric's reduced dynamic power limits locally generated electrical noise on sensitive analog rails, and the SEU rate below 10-10 errors/bit-day protects long science integrations from corruption. Embedded SRAM FIFOs absorb detector output bursts before downlink. Hermetic ceramic CGA packaging suits instrument housings that are baked out and operated in vacuum, and the -1 speed grade supplies ample timing margin at the moderate clock rates typical of instrument control logic.
推荐
Telemetry and Downlink Baseband
Downlink baseband chains implement encoding (for example convolutional or Reed-Solomon style pipelines), framing, and scrambling in programmable logic. The RTAX4000SL-1CG1272V's 40,320 logic cells accommodate encoder/decoder pipelines alongside FIFO management using embedded SRAM blocks. The high column count of CGA-1272 supplies enough user I/O for wide parallel interfaces to DACs, modulators, and memory. SEU-hardened registers protect frame counters and state machines whose corruption would desynchronize the ground link; antifuse configuration means no SEU-vulnerable configuration memory exists to refresh. The 1.5V CMOS core keeps baseband power within typical transmitter payload allocations.
推荐
Launch Vehicle and Missile Electronics
Flight-control and telemetry electronics on launch vehicles face extreme vibration, wide thermal excursions, and short mission durations where SRAM FPGA configuration upset is unacceptable. The RTAX4000SL-1CG1272V's one-time-programmable antifuse fabric cannot lose its configuration, its registers are SEU-hardened, and the -55C to +125C ceramic-package rating covers boosted/ascent environments. The 4M gate capacity implements guidance-interface glue logic, redundant-voting circuits, and high-rate sensor aggregation on a single chip, satisfying single-chip form-factor requirements that reduce board count and mass. Design flows typically prototype on ProASIC3E adaptors before releasing the netlist to the flight device.
推荐
Ground Test and Prototyping Systems
Because antifuse RTAX devices are one-time programmable, every flight program needs a reprogrammable prototyping path. Microchip and Aldec offer an RTAX prototyping solution that places a flash-based ProASIC3E FPGA on a footprint-compatible adaptor board; the design is debugged in-system, then converted via EDIF netlist and pinout converter for the RTAX device. Engineering-flow parts such as RTAX4000SL-1CG1272E populate early test benches with the same die and package as the flight article, validating timing, I/O, and thermal behavior. This two-stage flow prevents consuming scarce flight units (V flow) during RTL iterations and de-risks the one-time programming step.
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推荐产品汇总
工程参考数据： RTAX4000SL-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-1CG1272E | RTAX4000SL-1LG1272V | RTAX4000S-LG1272V | RTAX4000S-1LG1272PROTO |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | CGA-1272 ceramic | CGA-1272 - same | LGA-1272 (land grid vs column grid) | LGA-1272 | LGA-1272 |
| Equivalent System Gates | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 |
| Logic Cells | 40,320 | 40,320 | 40,320 | 40,320 | 40,320 |
| Core Supply Voltage | 1.5 V (1.425-1.575 V) | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Speed Grade | -1 | -1 | -1 | standard | -1 |
| Power Variant | SL (low power) | SL (low power) | SL (low power) | S (higher dynamic power) | S (higher dynamic power) |
| Qualification Flow | V (space flight) | E (engineering) | V (space flight) | V (space flight) | PROTO (prototyping) |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C |
关键差异点
- Low-power SL fabric in the largest RTAX density （对比 RTAX4000S-LG1272V)
- Flight-screened V flow on the CGA column package （对比 RTAX4000SL-1CG1272E)
- Column-grid mechanical attach for launch environments （对比 RTAX4000SL-1LG1272V)
- Trade-off: OTP fabric requires external prototyping path （对比 A3PE3000-1FGG896)
设计说明
RTAX-S/SL antifuse devices are one-time programmable: a design change after programming requires a new device. Follow Microchip's recommended flow of prototyping on a footprint-compatible ProASIC3E-based adaptor board (e.g., Aldec RTAX prototyping platform), verifying the design in-system, then converting the EDIF netlist and pinout for the flight device. Do not use flight (V-flow) units for RTL debugging; use engineering-flow parts such as RTAX4000SL-1CG1272E instead.
Provide a tightly regulated 1.5V core supply within the 1.425V to 1.575V window, with local bulk and high-frequency decoupling at each CGA-1272 power position. The SL fabric reduces dynamic power versus the RTAX4000S, but dynamic current still scales with clock activity; run Microchip's Libero SmartPower estimates early to size the spacecraft DC-DC converters. Never tolerate brownouts near the window, as undervoltage during operation may violate timing on the -1 speed grade.
The CGA-1272 ceramic column grid array requires controlled reflow/solder-column attach processes and accurate land-pattern design per Microchip's package application notes. Plan substrate warpage allowances for the large 1272-position ceramic body, and verify column coplanarity on receipt. If your assembly house cannot process CGA columns, the pin-mapped LGA-1272 variants (RTAX4000SL-1LG1272V) attach via standard land-grid solder processes with the same die and netlist.
合规信息
Space-grade (V flow) hermetic ceramic device; AEC-Q100 automotive qualification not applicable. RoHS/REACH/lead-free declarations not stated in verified data - confirm with Microchip for this ceramic package.
