RTAX250SL-1CQ208PROTO - 250k-Gate Rad-Tolerant FPGA | Microchip
부품 번호: RTAX250SL-1CQ208PROTO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
RTAX250SL-1CQ208PROTO 개요
A radiation-tolerant FPGA is a programmable logic device qualified to survive the ionizing radiation environment of space, where conventional commercial FPGAs would suffer configuration upsets, latch-up, or total dose degradation. The RTAX-S/SL family sits within Microchip's broader spaceflight portfolio, above commercial FPGAs and below fully radiation-hardened devices, and is derived from the commercial Axcelerator family architecture.
Key features include live-at-power-up operation thanks to the antifuse programming technology (no external boot configuration device is needed, a true single-chip solution), embedded SRAM blocks with built-in FIFO control logic, segmentable chip-wide clocks, and the SL variant's enhanced total-ionizing-dose (TID) tolerance versus the standard RTAX-S parts. Low static power consumption is a hallmark of the antifuse fabric, which matters for power-limited satellite buses.
Technically, the device uses a 0.15 um CMOS antifuse process. The VersaTile-based CLB fabric supports both combinatorial and sequential logic with predictable interconnect delays, simplifying timing closure for mission-critical designs. Embedded SRAM modules can be configured as FIFOs, dual-port memories, or single-port memories with hard FIFO control logic, offloading soft-logic resource consumption.
Typical applications include satellite payload processing, spacecraft telemetry and command interfaces, radiation-environment sensor interfaces, and launch-vehicle avionics, where one-time-programmable (OTP) antifuse immunity to configuration upsets is a decisive advantage over SRAM-based FPGAs.
A key design consideration: the PROTO-grade device is intended for functional prototyping only; production flight hardware should move to the corresponding flight-screened orderable, since PROTO units do not carry the full space qualification flow.
This page synthesizes distributor availability data, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet, making it a one-stop reference for RTAX250SL-1CQ208PROTO selection and procurement decisions.
드롭인 대체품: RTAX250SL-1CQ208PROTO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: RTAX250SL-1CQ208PROTO (동일 폼 팩터 및 풋프린트) — 차이점: Family, Package, Configuration, Logic Cells, Core Supply Voltage.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
RTAX250S-1CQ208PROTO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
RTAX250SL-CQ208E
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
5962-0421901VYC
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
RTAX250SL-1CQ208PROTO 최대 정격 & 전기적 특성
| Family | RTAX-S/SL Radiation-Tolerant FPGAs |
| Equivalent System Gates | 250,000 |
| Logic Cells | 4224 |
| Configurable Logic Blocks (CLBs) | 2816 |
| Combinatorial CLB Delay | 0.93 ns maximum (minimum -1 speed grade per source data) |
| Speed Grade | -1 |
| Technology | CMOS antifuse (one-time programmable) |
| Total Ionizing Dose Tolerance | Enhanced (SL variant) |
| Configuration | Live at power-up (antifuse, no boot device) |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Clock Features | Segmentable chip-wide clocks |
| 패키지 | CQFP-208 (CQ208) ceramic quad flat pack |
| 실장 유형 | Surface Mount |
| Application Grade | Space-flight (radiation-tolerant), PROTO screening |
RTAX250SL-1CQ208PROTO cqfp-208 (cq208) ceramic quad flat pack 핀 구성 가이드
RTAX250SL-1CQ208PROTO(cqfp-208 (cq208) ceramic quad flat pack 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-1CQ208PROTO.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
RTAX250SL-1CQ208PROTO 적합 용도: 6 애플리케이션s: Satellite Payload Data Processing, Spacecraft Telemetry and Command (TM/TC) Interfaces, Radiation Environment Sensor Interfaces, Launch Vehicle Avionics Control, Space-Flight Prototyping and Design Validation, Deep-Space Instrumentation and CubeSat Buses.
Satellite Payload Data Processing
The RTAX250SL-1CQ208PROTO fits satellite payload processing because its 250,000 equivalent gates and 4,224 logic cells provide enough capacity for front-end data formatting, packetization, and compression pre-processing, while the 0.93 ns CLB combinatorial delay supports high-throughput pipelines. The SL variant's enhanced total ionizing dose tolerance addresses the cumulative radiation dose accumulated over multi-year LEO or MEO missions. Its antifuse fabric powers up live with no configuration device, simplifying payload bring-up after launch. In the payload chain, the FPGA typically sits between the sensor front end and the downlink formatter, implemented as a deterministic FSM/data-path design. Because the fabric is one-time programmable, configuration upsets cannot corrupt the bitstream, though designers must still apply triple-module redundancy in sequential logic for SEU robustness in user registers.
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Spacecraft Telemetry and Command (TM/TC) Interfaces
Spacecraft TM/TC interfaces benefit from the RTAX250SL-1CQ208PROTO's deterministic, low-latency logic: the -1 speed grade's 0.93 ns CLB delay easily meets CCSDS-style frame handling and timing-marker generation requirements. The 208-pin CQFP offers ample I/O for MIL-STD-1553, UART, and discrete command interfaces, and the embedded SRAM with built-in FIFO control logic buffers telemetry streams without consuming CLB resources. Live-at-power-up antifuse configuration guarantees the TM/TC chain is functional immediately after reset events, a critical property for spacecraft recoverability. The PROTO grade is appropriate for engineering-model and qualification-unit builds; flight units should migrate to the flight-screened CQ208E orderable on the identical footprint. Designers should route the segmentable chip-wide clock resources to generate the mission time-code distribution with minimal skew.
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Radiation Environment Sensor Interfaces
Radiation monitoring instruments on scientific and weather satellites use the RTAX250SL-1CQ208PROTO to time-stamp, histogram, and format detector events. The 2,816 CLBs implement multi-channel coincidence counters and pulse-height accumulation logic, while embedded SRAM FIFOs decouple bursty detector output from the telemetry downlink. The SL variant's enhanced total ionizing dose tolerance is directly relevant because these instruments are often mounted outside heavily shielded areas where accumulated dose is highest. The antifuse configuration cannot suffer configuration-memory upsets, which is essential for an instrument whose purpose is to measure the very environment that would corrupt an SRAM FPGA. With 208 CQFP pins, multi-channel detector head boards interface directly without external fan-out logic, and the PROTO grade supports instrument breadboard and calibration campaigns before flight screening.
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Launch Vehicle Avionics Control
Launch-vehicle avionics favor the RTAX250SL-1CQ208PROTO for its microseconds-fast live-at-power-up behavior and upset-immune OTP configuration: both properties matter in a mission profile measured in minutes, where there is no time or opportunity for a configuration reload. The 0.93 ns CLB combinatorial delay supports closed-loop guidance and sequencing logic with microsecond-class latency, and segmentable chip-wide clocks allow independent clock domains for propulsion control and telemetry sections on one die. The ceramic CQFP package suits the high-reliability soldering and inspection flows used in avionics builds. PROTO-grade units are used in hardware-in-the-loop testbeds; production flight sets use the flight-screened equivalent on the same footprint, enabling seamless board reuse between test and flight configurations with no PCB respin.
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Space-Flight Prototyping and Design Validation
The PROTO grade of the RTAX250SL exists specifically for space-flight design validation: engineers implement the final RTL in Libero SoC, program the antifuse fabric, and validate timing, I/O, and system behavior on flight-representative silicon before committing expensive flight-screened units. Because the die and CQ208 footprint are identical to the flight orderable, test results transfer directly to the flight build. For faster iteration without consuming one-time-programmable parts, Microchip and Aldec offer the RTAX prototyping adaptor, which maps the RTAX design onto a reprogrammable flash-based ProASIC3E device; designs are then finalized on the actual antifuse RTAX250SL for true timing correlation. Typical practice is: RTL development in simulation, logic emulation on the Aldec adaptor, then antifuse programming of PROTO units for system-level validation.
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Deep-Space Instrumentation and CubeSat Buses
Deep-space probes and increasingly capable smallsat/CubeSat buses use the RTAX250SL-1CQ208PROTO where a mid-density, rad-tolerant, single-chip FPGA is needed without the power budget of larger devices. The antifuse fabric's low static power is a decisive advantage for power-limited deep-space missions far from the Sun, and the absence of a configuration flash removes a common failure point during long cruise phases. The 250k-gate fabric implements bus controllers, science-data aggregation, and safe-mode sequencing in one device, with 4,224 logic cells leaving margin for post-review design growth. The SL enhanced TID tolerance covers multi-year missions through Jupiter-class radiation environments when combined with appropriate shielding. Choose the flight-screened orderable for the actual mission; the PROTO unit validates the design on identical silicon beforehand.
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추천 제품 요약
엔지니어링 참조 데이터: RTAX250SL-1CQ208PROTO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | RTAX250S-1CQ208PROTO | RTAX250SL-CQ208E | 5962-0421901VYC |
|---|---|---|---|---|
| Package | CQFP-208 (CQ208) | CQFP-208 (CQ208) - same | CQFP-208 (CQ208) - same | CQFP-208 (CQ208) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 250,000 | 250,000 | 250,000 | 250,000 |
| Logic Cells | 4224 | 4224 | 4224 | 4224 |
| CLBs | 2816 | 2816 | 2816 | 2816 |
| TID Tolerance | Enhanced (SL) | Standard (S) | Enhanced (SL) | Standard (S, SMD-certified) |
| Screening Flow | PROTO (prototyping) | PROTO (prototyping) | Flight grade (E) | Military SMD drawing |
| Configuration Technology | CMOS antifuse (OTP), live at power-up | CMOS antifuse (OTP) | CMOS antifuse (OTP) | CMOS antifuse (OTP) |
| Price (Qty 1) | Quote-based | Quote-based | Quote-based | Quote-based |
주요 차별점
- Enhanced total ionizing dose tolerance (vs RTAX250S-1CQ208PROTO)
- Prototyping-grade economics (vs RTAX250SL-CQ208E)
- Upset-immune OTP configuration with live-at-power-up (vs 5962-0421901VYC)
설계 노트
Remember that RTAX250SL antifuse devices are one-time programmable: once programmed, the design cannot be changed or erased. Reserve this step for the final validated netlist. Use simulation and the Aldec RTAX prototyping adaptor (flash-based ProASIC3E emulation of the RTAX fabric) for all iterative debug, then program the PROTO part only when timing and functional closure is confirmed in Libero SoC. Ordering extra PROTO units for programming iterations is cheaper than re-spinning a flight board.
The ceramic CQFP-208 package requires careful land-pattern design per the package drawing in the Microchip RTAX-S/SL datasheet; the large ceramic body has different dimensional tolerances than plastic QFPs, so do not copy a commercial PQ208 footprint. Since the die is flight-grade silicon, use IPC-Class-3-class solder joint inspection practices where your program requires them. Keep the JTAG programming access header on flight boards if post-assembly programming of PROTO units is planned, or program before final assembly.
Use the segmentable chip-wide clocking resources rather than routing clocks through general fabric routing, to minimize skew and jitter across the 208-pin package. Apply SEU mitigation (triple-module redundancy on state registers, CRC-protected memory if applicable) in your RTL even though the antifuse configuration itself is upset-immune, because user flip-flops remain susceptible to single-event upsets in the space environment. Reference the Microchip reliability and SEU application documentation for reported cross-sections when budgeting error rates.
규정 준수 정보
Ceramic hermetic CQFP packages used in space-flight FPGAs are typically exempt or outside standard commercial RoHS declarations; consult Microchip product compliance documentation for the exact orderable. AEC-Q100 is not applicable to space-grade product lines.
