RTAX250SL-CG624V - 250k-Gate Rad-Tolerant FPGA | Microchip
부품 번호: RTAX250SL-CG624V ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $12500 | $12,500.00 |
| 10 | $11875 | $118,750.00 |
| 100 | $11250 | $1,125,000.00 |
| 500 | $10625 | $5,312,500.00 |
| 1,000 | $10000 | $10,000,000.00 |
RTAX250SL-CG624V 개요
A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space flight, where total ionizing dose (TID), single-event latchup (SEL), and single-event upset (SEU) would degrade or destroy commercial devices. Within the power-management hierarchy of a spacecraft avionics system, the RTAX250SL sits at the top of Microchip's RTAX-S/SL family of antifuse-based, live-at-power-up FPGAs designed for satellite payloads, buses, and flight control electronics.
Key features include the SEU-resistant D flip-flops of the RTAX-SL architecture, embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, chip-wide highway routing, and carry-chain logic. The antifuse programmable interconnect is one-time programmable and requires no configuration boot device, delivering true single-chip operation and live-at-power-up behavior that is critical for spacecraft power-on fault recovery.
Technically, the device is fabricated in a CMOS process derived from Microsemi's commercial Accelerator (ProASIC3-class) devices, with enhanced layout and process hardening for the space radiation environment. Densities across the RTAX-S/SL family reach up to four million equivalent system gates, and the CG624 ceramic package provides hermeticity for vacuum operation and outgassing control.
Typical applications include satellite payload data processing, spacecraft bus controllers, telemetry and telecommand interfaces, sensor interface FPGA gluing logic, and reconfigurable computing modules on LEO, MEO, and GEO missions.
Design consideration: because the part is one-time programmable, complete bitstream verification through Libero SoC simulation and the Synplify flow is essential before committing flight hardware.
This page synthesizes distributor listings, drop-in family alternatives, and practical space-design notes not consolidated in the manufacturer datasheet.
드롭인 대체품: RTAX250SL-CG624V — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: RTAX250SL-CG624V (동일 폼 팩터 및 풋프린트) — 차이점: Package, Radiation Tolerance, Family, Process Technology, Core Supply Voltage.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
RTAX250SL-1CG624E
✅ 드롭인✓ 재고 있음
$1 / 개
데이터시트 보기 →RTAX250SL-CG624B
✅ 드롭인✓ 재고 있음
$3950 / 개
데이터시트 보기 →RTAX250SL-LG624B
✅ 드롭인✓ 재고 있음
$2380 / 개
데이터시트 보기 →RTAX250SL-1LG624V
✅ 드롭인✓ 재고 있음
$950 / 개
데이터시트 보기 →RTAX250S-CG624E
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →RTAX250S-LG624V
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →RTAX250SL-CG624V 최대 정격 & 전기적 특성
| Equivalent System Gates | 250000 |
| Logic Cells | 4224 |
| CLB Count | 2816 |
| User I/O (Inputs) | 248 |
| User I/O (Outputs) | 248 |
| Core Supply Voltage | 1.425 V to 1.575 V |
| Process Technology | CMOS |
| Program Technology | Antifuse (one-time programmable) |
| 패키지 | 624-pin Ceramic Column Grid Array (CG624) |
| Embedded SRAM | Yes (with built-in FIFO control logic) |
| Configuration Device Required | No (live at power-up) |
| Radiation Tolerance | Radiation-tolerant (space flight qualified family) |
| Family | RTAX-S/SL and RTAX-DSP RadTolerant FPGAs |
| Speed Grade | Standard (C) commercial flight grade; -1 speed variant available |
| 실장 유형 | Surface Mount |
RTAX250SL-CG624V 624-pin ceramic column grid array (cg624) 핀 구성 가이드
RTAX250SL-CG624V(624-pin ceramic column grid array (cg624) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: RTAX250SL-CG624V.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
RTAX250SL-CG624V 적합 용도: 6 애플리케이션s: Satellite Payload Data Processing, Spacecraft Bus Control and Housekeeping, Telemetry and Telecommand Interface, Instrument Sensor Interface and Glue Logic, Launch Vehicle and Avionics Interface Electronics, Radiation Test and Prototype Development.
Satellite Payload Data Processing
The RTAX250SL-CG624V fits payload data-path processing because its 4224 logic cells and 250,000 equivalent gates implement framing, error correction, and protocol bridging at flight-relevant throughput, while 248 inputs and 248 outputs support wide parallel data buses to ADCs, memories, and downchain ASICs. Embedded SRAM blocks with built-in FIFO control logic buffer asynchronous data-rate domains without external FIFO chips, reducing parts count on the payload board. Its antifuse, live-at-power-up architecture ensures the payload logic is operational the moment spacecraft power is applied, eliminating configuration-readout single-point failures in orbit. The SL-generation SEU-resistant flip-flops lower the upset rate in the data path, improving mission-level availability. Designers typically clock the core from segmentable clock resources per processing chain, trading a modest routing-effort increase for clock-domain isolation and lower simultaneous-switching noise.
추천
Spacecraft Bus Control and Housekeeping
For spacecraft bus controllers, the RTAX250SL-CG624V implements command decoding, telemetry formatting, and interface glue between the onboard computer and power, attitude, and thermal subsystems. The 1.425V to 1.575V core supply and CMOS process keep static power low, which matters for eclipse-period power budgets on small buses. True single-chip, live-at-power-up operation means bus control logic is alive during the critical launch-separator release and initial power-on sequence, with no boot device to fail. The hermetic CG624 ceramic package withstands vacuum outgassing and thermal cycling requirements of GEO missions. With 2816 CLBs, one device consolidates discrete 1553-style glue, discrete I/O conditioning, and watchdog functions, freeing the flight processor for application software. Carry-chain logic supports efficient counters and CRC generation for telemetry integrity at low gate cost.
추천
Telemetry and Telecommand Interface
The RTAX250SL-CG624V serves TT&C interface electronics by bridging the RF transponder baseband with the spacecraft data bus: the 248 inputs and 248 outputs connect parallel telecommand decoders and telemetry encoders, while embedded FIFO-backed SRAM smooths burst downlink data into the modulator. SL SEU-resistant flip-flops protect command decoding state machines from single-event upsets that could otherwise generate spurious commands - a mission-critical requirement per spacecraft reliability practice. The 250,000-gate capacity implements CCSDS-class framing and scrambling at moderate rates without external ASSPs, and the antifuse architecture guarantees that programmed command logic cannot be corrupted in flight, unlike SRAM FPGAs that require continuous scrubbing. Designers benefit from chip-wide highway routing to fan a single clock to distributed encoder blocks with low skew.
추천
Instrument Sensor Interface and Glue Logic
Scientific instruments on science and Earth-observation missions use the RTAX250SL-CG624V as the sensor front-end FPGA: 248 outputs generate CCD/CMOS imager timing, 248 inputs capture high-speed digitized samples, and carry logic builds fast accumulators for on-board co-adding. The 1.5V-class core keeps dynamic power low in thermally constrained instruments, and the CMOS 4224-logic-cell fabric fits the detector sequencer, ADC interface, and packetizer in one hermetic device. Live-at-power-up behavior matters at instrument turn-on after eclipse, since detector sequencing must begin deterministically with no configuration latency. Embedded FIFO-controlled SRAM buffers imaging frames between acquisition and downlink clocks without external memory devices, improving reliability. Because antifuse devices are one-time programmed, instrument teams validate sequencer timing exhaustively in Libero SoC simulation before flight-lot programming.
추천
Launch Vehicle and Avionics Interface Electronics
Avionics interface boards in launch vehicles and space transportation systems deploy the RTAX250SL-CG624V to consolidate discrete discretes-to-digital conversion, safe-and-arm bus monitoring, and redundancy management voting logic. The antifuse configuration is immune to configuration-memory upsets from the heavy radiation environment of high-altitude flight, and live-at-power-up operation supports the immediate logic availability required from battery activation to liftoff. The hermetic 624-pin ceramic column grid array satisfies the mechanical robustness and thermal-cycle expectations of launch vibration and ascent environments. With 2816 CLBs and 4224 logic cells, one device implements triple-modular-redundant voting across 248 input channels, and the SL SEU-resistant flip-flops further harden state machines. Segmentable clocks isolate critical timing chains from non-critical housekeeping logic to bound worst-case skew.
추천
Radiation Test and Prototype Development
Before flight-lot commitment, teams use PROTO-class RTAX250SL units and engineering lots of the RTAX250SL-CG624V family for radiation testing, characterization, and software bring-up. Per the Microchip RTAX-S/SL datasheet, PROTO prototype units have the same timing attributes as flight units but are offered in non-hermetic ceramic packages, enabling cost-effective board bring-up on identical footprints. The same 250,000-gate, 2816-CLB architecture lets the Libero SoC bitstream developed on the prototype carry directly to the flight device, de-risking the design cycle. Teams typically populate TID and SEU test boards with both prototype and flight-flow units to bound performance spread. The CG624 footprint common across V, E, B, and L flows allows a single test PCB to qualify multiple screening flows, reducing qualification hardware cost.
추천
추천 제품 요약
엔지니어링 참조 데이터: RTAX250SL-CG624V — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | RTAX250SL-1CG624E | RTAX250SL-CG624B | RTAX250S-CG624E |
|---|---|---|---|---|
| Package | 624-pin CGA (CG624) | CG624 - same | CG624 - same | CG624 - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent Gates | 250000 | 250000 | 250000 | 250000 |
| Logic Cells | 4224 | 4224 | 4224 | 4224 |
| User I/O | 248 in / 248 out | 248 in / 248 out | 248 in / 248 out | 248 in / 248 out |
| Core Supply Voltage | 1.425 V to 1.575 V | 1.425 V to 1.575 V | 1.425 V to 1.575 V | 1.425 V to 1.575 V |
| SEU-Enhanced Flip-Flops (SL) | Yes | Yes | Yes | No (S generation) |
| Speed Grade | Standard | -1 (faster) | Standard | Standard |
| Flow / Screening Class | C/V flight flow | E flow | B flow | E flow |
주요 차별점
- Faster timing margin in same footprint (vs RTAX250SL-1CG624E)
- SEU-resistant flip-flops of SL generation (vs RTAX250S-CG624E)
- Flight V flow qualification (vs RTAX250SL-CG624B)
설계 노트
With 248 inputs and 248 outputs on a 624-ball footprint, plan I/O bank assignment early in Libero SoC to balance bank currents and group same-standard signals. The 1.425V-1.575V core and CMOS output drivers produce simultaneous-switching noise when wide parallel buses toggle; distribute returns across multiple ground columns in the CG624 pattern and stagger bus edge rates within the -1 or standard speed grade timing budget. Simulate series-terminated lines against IBIS models before flight-lot programming since the device is one-time programmable and board respins are costly on flight programs.
Estimate core current from Libero SoC SmartPower reports at the standard or -1 speed grade and design the 1.5V rail within the 1.425V-1.575V window including rail droop during simultaneous switching. Because the antifuse FPGA is live at power-up, ensure the 1.5V and I/O supplies ramp monotonically and within the datasheet slew constraints - no reset controller will mask a marginal power-on sequence. Budget eclipse-period static power separately; the CMOS antifuse fabric has near-zero configuration leakage but I/O termination current on 496 possible user pins can dominate small-satellite power budgets.
The most common program risk with RTAX250SL devices is committing to flight-lot programming before timing closure: antifuse devices cannot be reprogrammed, so a late timing failure forces new die and months of aerospace lead time. Complete static timing analysis at the temperature and voltage extremes, run SEU mitigation (TMR on control state machines where SL flip-flops alone are insufficient), and freeze the netlist before ordering V/E/B/L flow parts. Note that SEU behavior differs between SL and S generation silicon - verify upset-rate budgets against the correct generation when substituting RTAX250S parts.
규정 준수 정보
Aerospace hermetic ceramic-packaged flight components are often procured to flight-flow specifications rather than commercial RoHS declarations; request material declarations from Microchip or the distributor with each quote.
