RTAX4000D-CQ352EV - 4M-Gate Rad-Tolerant FPGA CQFP-352 | Microchip
부품 번호: RTAX4000D-CQ352EV ✓ 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 |
RTAX4000D-CQ352EV 개요
A radiation-tolerant FPGA is a programmable logic device engineered to survive the ionizing radiation environment of space, including total ionizing dose (TID) and single-event effects (SEE). Within the power-management hierarchy of spacecraft avionics, such FPGAs sit alongside rad-hard processors and ASICs as the reconfigurable logic layer, and the RTAX-DSP family is the top of the RTAX-S/SL/RTAX-DSP taxonomy of flash- and antifuse-style space FPGAs.
Key features of the RTAX4000D-CQ352EV include single-chip, live-at-power-up operation (no configuration PROM required at boot), low-power consumption relative to SRAM-based space FPGAs, embedded SRAM blocks with built-in FIFO control logic, segmentable clock conditioning circuitry, and DSP-oriented multiply structures suited to onboard signal processing. The 0.15 um process and 1.5 V core deliver a combinatorial CLB delay in the ~1 ns class for the speed-grade variants in this family.
Technically, the device is derived from the commercial Axcelerator family architecture: a Sea-of-Modules fabric of combinational and sequential logic modules, chip-wide routing, and I/O banks supporting multiple single-ended and differential standards. The -EV ordering code denotes the ceramic CQFP-352 package with qualification/screening suffix appropriate to space-flow parts; RTAX-DSP adds arithmetic blocks versus the base RTAX-S.
Typical applications include satellite payload processing, onboard data handling, telemetry/telecommand interfaces, spacecraft bus avionics, and radiation-exposed instrumentation where reconfigurable logic must operate reliably for multi-year missions.
Designers should plan for SEU mitigation using triple-module redundancy (TMR) in the FPGA fabric and consider latch-up/timing margins across the -55C to +125C military temperature range; the antifuse-style one-time-programmable fabric means bitstream verification before flight is essential.
This page synthesizes distributor cross-reference data, same-family drop-in package options, and practical space-design notes not consolidated in the manufacturer datasheet.
드롭인 대체품: RTAX4000D-CQ352EV — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: RTAX4000D-CQ352EV (동일 폼 팩터 및 풋프린트) — 차이점: Package, Radiation Tolerance, Family, Logic Cells, Configuration.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
RTAX4000D-CQ352E
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →RTAX4000D-1CQ352V
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →RTAX4000D-1CQ352E
✅ 드롭인✓ 재고 있음
$3000 / 개
데이터시트 보기 →RTAX4000D-1CQ352B
✅ 드롭인✓ 재고 있음
$2600 / 개
데이터시트 보기 →RTAX4000SL-CQ352E
✅ 드롭인✓ 재고 있음
$2620 / 개
데이터시트 보기 →RTAX4000D-CQ352EV 최대 정격 & 전기적 특성
| Family | RTAX-DSP Radiation-Tolerant FPGA |
| Equivalent System Gates | 4,000,000 |
| Logic Cells | 33,600 |
| CLB Organization | 36,960 CLBs |
| Process Technology | 0.15 um CMOS |
| Core Supply Voltage | 1.5 V nominal (1.425 V to 1.575 V) |
| 패키지 | 352-Pin Ceramic CQFP |
| 실장 유형 | Surface Mount |
| 동작 온도 | -55C to +125C |
| Embedded Memory | Embedded SRAM with FIFO control logic |
| Configuration | Live at power-up, single-chip |
RTAX4000D-CQ352EV 352-pin ceramic cqfp 핀 구성 가이드
RTAX4000D-CQ352EV(352-pin ceramic cqfp 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: RTAX4000D-CQ352EV.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
RTAX4000D-CQ352EV 적합 용도: 6 애플리케이션s: Satellite Payload Data Processing, Onboard Data Handling and Spacecraft Bus Avionics, Telemetry, Tracking and Command (TT&C) Interfaces, Radiation-Exposed Instrumentation and Sensor Interfaces, Launch Vehicle and Reentry Avionics, Space-Grade DSP Coprocessing and Image Processing.
Satellite Payload Data Processing
In satellite payload chains, the RTAX4000D-CQ352EV performs front-end framing, channelization, and pre-processing of sensor and communication data. Its RTAX-DSP fabric embeds multiply/accumulate structures suited to digital filtering, FFT pre-staging, and FEC-related tasks, while 4M equivalent gates and 33,600 logic cells provide headroom for protocol bridging. Because the device is live at power-up with a single-chip form factor, the payload can begin acquiring data without waiting for a configuration PROM load, improving availability after launch or safing events. Embedded SRAM with built-in FIFO control simplifies buffering between high-rate ADC outputs and downlink formatting logic. Radiation tolerance is inherent to the family, and designers typically add TMR on control state machines, budgeting ~20-30% fabric overhead while retaining ample capacity in this 4M-gate device.
추천
Onboard Data Handling and Spacecraft Bus Avionics
Spacecraft bus electronics - command and data handling (C&DH), telemetry/telecommand formatting, and platform control - benefit from the RTAX4000D-CQ352EV's deterministic, one-time-programmable fabric. The 0.15 um CMOS process at a 1.5 V core keeps static and dynamic power low, which matters on power-constrained buses, and live-at-power-up operation ensures housekeeping logic is active immediately when the spacecraft recovers from an eclipse-triggered reset. The device interfaces with rad-tolerant processors and memory over standard I/O banks, and its embedded SRAM/FIFO blocks stage CCSDS packets between modules. The 352-pin ceramic CQFP with -55C to +125C operation suits conventional spacecraft board assembly with ceramic-packaged memories. Designers should verify timing at worst-case temperature and voltage corners (1.425-1.575 V) in Libero SoC before flight review.
추천
Telemetry, Tracking and Command (TT&C) Interfaces
TT&C front ends require reliable, low-rate but fault-tolerant logic between RF transceivers and the spacecraft data system. The RTAX4000D-CQ352EV handles PCM/PSK formatting, frame synchronization, and command decoding with generous capacity (4M gates against typically small TT&C logic usage), leaving margin for redundancy schemes such as cold- or hot-spared dual-FPGA implementations on one board. Its radiation-tolerant fabric plus designer-applied TMR on decoders meets the stringent availability targets of command chains, and embedded FIFO logic bridges asynchronous clock domains between the receiver baseband and bus controller. The ceramic CQFP-352 package supports the hermetic, high-reliability assembly flows common in TT&C units. Segmentable clock conditioning circuitry eases generation of multiple low-jitter sampling and bit clocks from a single oscillator reference.
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Radiation-Exposed Instrumentation and Sensor Interfaces
Scientific instruments on explorers and observatories - particle detectors, spectrometers, imagers - place logic close to sensors where shielding is minimal. The RTAX4000D-CQ352EV's radiation-tolerant RTAX-DSP fabric withstands this environment while performing event counting, coincidence logic, time-stamping, and DSP filtering before data reduction. Its 33,600 logic cells absorb detector-specific interfaces that evolve late in instrument development, and the one-time-programmable configuration prevents configuration upsets that plague SRAM-based space FPGAs - no configuration scrubber is required. Low 1.5 V core power limits self-heating inside thermally constrained instrument housings. Embedded SRAM buffers histogram data between acquisition bursts and downlink windows. Engineers commonly prototype with PROTO units, which per the Microchip datasheet share the same timing attributes as flight units in non-hermetic ceramic packages.
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Launch Vehicle and Reentry Avionics
Launch vehicles and reentry systems demand logic that is immediately operational through high-vibration, high-radiation flight phases. The RTAX4000D-CQ352EV provides live-at-power-up sequencing, event timing, and redundancy voting logic; its antifuse-style one-time-programmable fabric means the flight configuration cannot be corrupted by SEU in a configuration memory, only fabric state - mitigated by TMR on voting and abort-decision paths. The 352-terminal ceramic CQFP withstands automotive- and military-grade reflow and socketing flows used in avionics boards, with -55C to +125C operation covering unconditioned bays. With 4M gates, designers implement triple-redundant flight computers' glue logic, bus arbitration, and discrete I/O on one device, reducing part count and solder-joint failure exposure compared to multiple smaller FPGAs.
추천
Space-Grade DSP Coprocessing and Image Processing
For Earth-observation and reconnaissance payloads, the RTAX-DSP family's multiply blocks accelerate image convolution, correlation, and compression pre-processing alongside the general fabric. The RTAX4000D-CQ352EV's 4M-gate capacity hosts parallel filter banks feeding embedded SRAM FIFOs, which decouple the sensor readout rate from the mass-memory interface. Running from a 1.5 V core on a 0.15 um CMOS process, the device offers a power-efficient alternative to SRAM-based space FPGAs for fixed-function DSP pipelines, since no configuration power-up sequence or scrubbing power is needed. For designs whose arithmetic exceeds the fabric, it still serves well as the control and buffering layer around an external processing ASIC. The engineering-evaluation (-EV) screening of this exact ordering code suits qualification builds before committing flight lots at V or B screening.
추천
추천 제품 요약
엔지니어링 참조 데이터: RTAX4000D-CQ352EV — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | RTAX4000D-CQ352E | RTAX4000D-1CQ352V | RTAX4000D-1CQ352E | RTAX4000D-1CQ352B | RTAX4000SL-CQ352E |
|---|---|---|---|---|---|---|
| Package | 352-Pin Ceramic CQFP | 352-Pin Ceramic CQFP - same | 352-Pin Ceramic CQFP - same | 352-Pin Ceramic CQFP - same | 352-Pin Ceramic CQFP - same | 352-Pin Ceramic CQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Speed Grade | Standard | Standard | -1 (faster) | -1 (faster) | -1 (0.99 ns max CLB delay) | Standard |
| Core Supply Voltage | 1.5 V (1.425-1.575 V) | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| DSP Multiply Blocks | Yes (RTAX-DSP fabric) | Yes | Yes | Yes | Yes | No (RTAX-SL, logic only) |
| Screening / Temperature | EV suffix, -55C to +125C | E suffix, -55C to +125C | V (military temp), -55C to +125C | E suffix, -55C to +125C | B screening flow, -55C to +125C | E suffix, -55C to +125C |
주요 차별점
- DSP multiply fabric for onboard signal processing (vs RTAX4000SL-CQ352E)
- Faster -1 timing option in identical footprint (vs RTAX4000D-1CQ352B)
- Engineering-evaluation screening for pre-flight builds (vs RTAX4000DCQ352V)
설계 노트
Apply triple-module redundancy (TMR) to all control state machines and safety-critical paths in the RTAX4000D fabric; typical fabric overhead is 20-30%, which is comfortably absorbed by the 4M-gate capacity. Add EDAC on embedded SRAM/FIFO blocks used for packet storage. Use Libero SoC worst-case timing corners (-55C, 1.425 V and +125C, 1.575 V) before sign-off; standard-grade parts show ~1.1 ns class CLB delays while -1 grades reach ~0.99 ns. Simulate SEU response with Microchip radiation application notes for the RTAX-S/SL and RTAX-DSP family.
The 1.5 V core must stay within 1.425-1.575 V under all load transients; use a precision space-rated point-of-load regulator with remote sensing and generous bulk capacitance near the CQFP-352 power pins. Distribute power and ground via dedicated CQFP planes or buried layers - the 352-terminal package has numerous VCC/GND pins that must all be connected per the datasheet pin table, not treated as spares. Estimate static plus dynamic core power with the Microchip power calculator for your specific design; do not extrapolate from other RTAX densities.
RTAX-DSP devices are one-time-programmable: a programming error in flight hardware cannot be reworked, so program and fully verify a PROTO or engineering unit first - per the Microchip datasheet, PROTO units share the same timing attributes as flight units. Do not interchange screening suffixes (E, EV, V, B) on a flight program without reviewing your qualification flow, since each denotes a different test flow. Reserve JTAG access (TDI/TDO/TMS/TCK) with series isolation resistors for programming and debug while maintaining harness constraints.
규정 준수 정보
Space-grade ceramic CQFP packaging; hermetic flow. RoHS/REACH declarations not present in provided data - request Microchip environmental certification sheets from XAIPART sales.
