RTAX4000S-LG1272V - 4M-Gate Rad-Tolerant FPGA | Microchip
MPN: RTAX4000S-LG1272V ✓ نشطRTAX4000S-LG1272V نظرة عامة
A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation and single-event effects (SEE) encountered in space flight. Within the programmable logic hierarchy, the RTAX4000S sits in the family of high-density antifuse FPGAs -> programmable logic devices -> semiconductors. Unlike COTS FPGAs, rad-tolerant devices such as the RTAX-S family combine SEU-hardened flip-flops with a ceramic package and screening flow suited to space-flight system designers.
Key features include SEU-hardened registers that eliminate the need for Triple-Module Redundancy (TMR) in many designs, single-event upset immunity up to LETTH MeV.cm2/mg with an SEU rate below 10-10 errors per bit-day, live-at-power-up operation, and a true single-chip form factor that removes the need for external configuration devices. Low-power CMOS processing reduces the power budget critical to satellite and deep-space missions.
The antifuse architecture is inherently one-time programmable: the configuration is permanent, immune to configuration-memory upsets, and valid immediately at power-up. The 1272-pin ceramic package with column grid array terminations provides the mechanical robustness and hermeticity demanded by launch environments.
Typical applications include satellite payload processing, spacecraft avionics and command/data handling, deep-space probe instrument interfaces, and launch-vehicle electronics. Designers choose the RTAX4000S when 4M-gate capacity, SEU hardness, and flight heritage are required simultaneously.
Design consideration: antifuse programming is permanent, so the complete design flow - simulation, timing closure, and a hardware prototype such as the RTAX4000S-1LG1272PROTO - should be completed before device programming.
This page synthesizes verified distributor data, same-family drop-in alternatives, and practical design guidance not found in a single manufacturer datasheet.
بدائل مباشرة لـ RTAX4000S-LG1272V — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع RTAX4000S-LG1272V (نفس عامل الشكل والبصمة) — يختلف في Family, Package, Configuration, Radiation Tolerance, Technology.
RTAX4000SL-LG1272V
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←RTAX4000S-1LG1272V
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←RTAX4000S-1LG1272PROTO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←RTAX4000SL-1LG1272PROTO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←RTAX4000SL-CG1272B
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←RTAX4000SL-1CG1272E
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←RTAX4000S-LG1272V الحدود القصوى والخصائص الكهربائية
| Equivalent System Gates | 4,000,000 |
| Logic Cells (D-Modules) | 60480 |
| CLBs (R-Cells) | 40320 |
| Logic Family | CMOS, antifuse, one-time programmable |
| Core Supply Voltage | 1.5 V nominal |
| درجة حرارة التشغيل | -55C to +125C |
| العلبة | LG1272 ceramic column grid array, 1272 pins |
| Terminal Pitch | 1.000 mm |
| نوع التركيب | Surface Mount |
| SEU Immunity | Immune to single-event upsets up to LETTH MeVcm2/mg |
| SEU Rate | < 10-10 errors per bit-day |
| SEU-Hardened Registers | Yes (eliminates need for TMR) |
| Configuration | Live at power-up, single-chip (no external boot device) |
| Radiation Tolerance | RadTolerant RTAX-S family |
| Application Domain | Space-flight systems |
| Speed Grade | Standard (unmarked in LG1272V suffix) |
دليل تكوين أطراف RTAX4000S-LG1272V lg1272 ceramic column grid array, 1272 pins
تكوين الأطراف لـ RTAX4000S-LG1272V (حزمة lg1272 ceramic column grid array, 1272 pins). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ RTAX4000S-LG1272V.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
RTAX4000S-LG1272V مناسب لـ 6 التطبيقs: Satellite Payload Data Processing, Spacecraft Avionics and Command & Data Handling, Deep-Space Instrument Interfaces, LEO Constellation Spacecraft Buses, Launch Vehicle Electronics, Defense and National Security Space Electronics.
Satellite Payload Data Processing
The RTAX4000S-LG1272V fits satellite payload processing chains that need 4,000,000 gates of reprogrammable logic with inherent SEU immunity. Its 40320 CLBs and 60480 logic cells implement CCSDS encoders, compression engines, and on-board data-formatting pipelines, while SEU-hardened registers with an error rate below 10-10 errors per bit-day remove the TMR overhead that SRAM FPGAs impose, roughly tripling effective usable capacity. The antifuse fabric is live at power-up, so payload logic is available within microseconds of power switch-on, and the single-chip form factor eliminates external configuration memory that adds launch risk. Implemented in a hermetic LG1272 ceramic package rated -55C to +125C at a 1.5V core, the device balances processing throughput against the strict power budget of a typical payload bus, where every watt spent on the processing FPGA must be justified against downlink capacity.
موصى به
Spacecraft Avionics and Command & Data Handling
For spacecraft avionics and C&DH units, the RTAX4000S-LG1272V provides the deterministic, live-at-power-up behavior required for command decoders, telemetry formatters, and fault-management controllers. Because the antifuse configuration cannot be corrupted by radiation, the boot path contains no vulnerable configuration memory, and SEU-hardened flip-flops hold state through single events up to LETTH MeV.cm2/mg. The 4M-gate capacity consolidates multiple MIL-STD-1553, SpaceWire, and UART interfaces into one certified device, reducing board count and mass. Operating from a 1.5V nominal core across -55C to +125C, it survives launch transients and orbital thermal cycling inside the LG1272 ceramic column grid array, whose 1.000 mm pitch and column terminations withstand vibration and shock. Designers typically validate the avionics bitstream on a PROTO-grade unit before programming flight devices, since antifuse programming is permanent.
موصى به
Deep-Space Instrument Interfaces
Deep-space probes and science instruments operate in radiation environments far harsher than low-Earth orbit, which is where the RTAX4000S-LG1272V's sub-10-10 errors-per-bit-day SEU rate becomes decisive. Its 4,000,000 gates implement instrument sequencers, high-resolution ADC/DAC framing logic, and interferometer or spectrometer control datapaths that must hold coherent state for months without reset. The SEU-hardened register fabric eliminates triple-module redundancy, freeing roughly two-thirds of the 60480 logic cells for instrument functionality. The hermetic LG1272 ceramic package and -55C to +125C operating range handle cryogenic-adjacent instrument electronics and deep-space cold cases, while the low-power 1.5V CMOS core respects the extreme energy budgets of outer-planet and heliophysics missions where solar flux is a fraction of Earth orbit levels. One-time programmability also guarantees the instrument configuration is identical at launch and arrival.
موصى به
LEO Constellation Spacecraft Buses
Large low-Earth-orbit constellations demand rad-tolerant logic at the bus level, and the RTAX4000S-LG1272V serves as the main bus FPGA for on-board computers, power distribution controllers, and attitude-determination interfaces. With 40320 CLBs it integrates the bus controller, Watchdog and mode-management state machines, and multiple sensor and actuator interfaces in a single chip, cutting board area on high-volume production spacecraft. The live-at-power-up antifuse fabric and SEU-hardened registers below 10-10 errors per bit-day provide single-string reliability that reduces redundancy overhead per unit - critical when hundreds of satellites ship per year. Its -55C to +125C range and 1.5V core tolerate eclipse thermal swings, and flight heritage of the RTAX-S family across many LEO missions de-risks qualification. Constellation operators typically pair flight devices with PROTO-grade parts in the same LG1272 footprint to reuse one validated board design across both validation and flight lots.
موصى به
Launch Vehicle Electronics
Launch-vehicle avionics - flight computers, separation sequencing, telemetry encoders, and range-safety interface logic - require deterministic operation under extreme vibration and thermal load, which the RTAX4000S-LG1272V's -55C to +125C rating and hermetic LG1272 ceramic package are built to withstand. The antifuse configuration is permanent and live at power-up, so flight-control logic cannot be corrupted between tank pressurization and liftoff, and SEU-hardened registers keep sequencing state machines coherent through the radiation belts traversed during ascent to higher orbits. With 4,000,000 gates and 60480 logic cells, a single device consolidates redundant-channel voting, sensor voting logic, and time-tagged event sequencing that previously required multiple devices, reducing harness complexity and failure points. Designers simulate timing closure in Libero, verify on RTAX4000S PROTO units, then program screened flight devices for the mission lot.
موصى به
Defense and National Security Space Electronics
Defense and national-security space programs specify the RTAX4000S-LG1272V where mission assurance, traceability, and radiation hardness must be demonstrated together. Its SEU rate below 10-10 errors per bit-day, immunity up to LETTH MeVcm2/mg, and hardened register fabric meet the single-event requirements typical of protected military satellite payloads and responsive-space programs. The 4M-gate capacity hosts secure-communication wrappers, anti-tamper interface logic, and mission-cryptographic framing accelerators, while the one-time-programmable antifuse fabric means the deployed configuration is fixed, auditable, and immune to configuration-memory attack or upset. The LG1272 ceramic column grid array provides hermetic sealing and mechanical robustness for booster-phase environments, and the -55C to +125C range covers full military temperature specifications. Procurement flows use screened V-grade units with PROTO parts for development, maintaining a common PCB footprint across the program lifecycle.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ RTAX4000S-LG1272V — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | RTAX4000SL-LG1272V | RTAX4000S-1LG1272V | RTAX4000S-1LG1272PROTO | RTAX4000SL-CG1272B |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | LG1272 ceramic column grid array | LG1272 ceramic - same | LG1272 ceramic - same | LG1272 ceramic - same | CG1272-style ceramic, 1272 pins |
| Equivalent System Gates | 4,000,000 | 4,000,000 class (SL) | 4,000,000 | 4,000,000 | 4,000,000 class (SL) |
| Logic Cells | 60480 | 60480 class | 60480 | 60480 | 60480 class |
| Core 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 (per family datasheet) | -55C to +125C |
| Speed Grade | Standard | Standard (SL subfamily) | -1 (faster) | -1 (faster), prototype flow | Standard (SL subfamily) |
| Intended Use / Flow | Flight (V-grade flow) | Flight (SL subfamily) | Flight, faster timing | Prototype / development | Flight (B-grade flow) |
| SEU Hardening | SEU-hardened registers, rate < 10-10 errors/bit-day | Same family SEU hardening | Same | Same silicon, reduced screening | Same family SEU hardening |
أبرز الفروقات
- Native SEU-hardened registers eliminate TMR overhead (مقابلRTAX4000S-1LG1272V)
- Same-footprint subfamily upgrade path (مقابلRTAX4000SL-LG1272V)
- Prototype flow reduces program risk (مقابلRTAX4000S-1LG1272PROTO)
- True single-chip, live-at-power-up operation (مقابلRTAX4000SL-CG1272B)
ملاحظات التصميم
The RTAX4000S is one-time programmable: once programmed, the antifuse configuration is permanent and the device cannot be reworked. Complete functional simulation, static timing analysis, and hardware verification on a PROTO-grade unit (e.g., RTAX4000S-1LG1272PROTO or RTAX4000SL-1LG1272PROTO, which share the same LG1272 footprint) before submitting flight devices to programming. Ordering flight parts before the bitstream is frozen risks scrapping thousands of dollars of screened silicon.
Estimated: dynamic power in the 1.5V CMOS core scales with toggle rate and utilization; a heavily used 40320-CLB design at moderate toggle rates can dissipate several watts. The ceramic LG1272 column grid array relies on board-level thermal paths (column solder joints and underlying copper planes) rather than a direct die-attach heatsink path. Provide solid internal ground/power planes under the package and verify junction temperature stays within the -55C to +125C envelope including eclipse transients, using SmartPower estimates for your actual design.
The LG1272 package uses a 1.000 mm terminal pitch with ceramic column terminations, requiring controlled reflow profiles and support during second-side reflow due to package mass. Note that Microchip confirms the CG1272/LG1272 body size on RTAX-DSP devices is slightly larger than the CG/LG1272 used on RTAX4000S/SL devices - do not interchange footprints with RTAX-DSP land patterns. Route the 1.5V core supply with a low-impedance plane and decouple per the RTAX-S/SL datasheet power distribution guidance to minimize core rail droop during simultaneous switching.
Power sequencing and I/O bank voltage assignment must follow the RTAX-S/SL datasheet; core (1.5V nominal) and I/O rails should reach stable levels per the family power-up requirements. Because the fabric is live at power-up, output pins may drive immediately once configured - account for this in systems where downstream circuitry powers up later. Use Libero/SmartPower with realistic toggle rates for power budgets, not worst-case data-sheet numbers, to avoid oversizing the spacecraft power allocation.
معلومات الامتثال
Hermetic ceramic column grid array package intended for space flight; screening flow and compliance declarations (RoHS/REACH exemptions typically apply to hermetic ceramic aerospace packaging) are documented per lot in Microchip mission-assurance paperwork, not in public distributor data.
