RTAX4000SL-LG1272E - 4M-Gate Rad-Tolerant FPGA LGA-1272 | Microchip
MPN: RTAX4000SL-LG1272E ✓ NakahandaRTAX4000SL-LG1272E Ulas
A radiation-tolerant FPGA is a programmable logic device engineered to survive the ionizing radiation and heavy-ion environments of spaceflight, where commercial FPGAs would suffer single-event upsets (SEUs) and total ionizing dose (TID) degradation. Within the power hierarchy of space electronics, the RTAX-SL family sits in the antifuse-based, single-chip, live-at-power-up class of programmable logic, sitting above commercial FPGA families and below fully radiation-hardened (rad-hard) devices in cost and availability.
Key features include the RTAX-SL 0.15um CMOS process, a 1.425V to 1.575V core supply window, true single-chip form factor (no configuration PROM required at boot), and live-at-power-up operation that is critical for spacecraft switch-on reliability. The antifuse programmable interconnect is inherently immune to configuration upsets, dramatically reducing SEU mitigation overhead compared to SRAM FPGAs.
Architecturally, the RTAX4000SL is built from a sea of combinational and sequential logic modules (Axcelerator-derived fabric) with embedded SRAM blocks, high-performance clock conditioning, and abundant I/O banks supporting multiple single-ended and differential standards. The 0.15um antifuse process yields low static power, an important consideration for power-budget-limited satellites and probes.
Typical applications include satellite payload data processing, spacecraft bus control and telemetry, sensor interface and instrument control on planetary missions, and deep-space communication baseband processing, where single-chip radiation tolerance and live-at-power-up startup directly reduce mission risk.
Design consideration: the LGA-1272 ceramic column package demands rigid-flex-aware PCB land patterns, column-grid solder inspection, and thermal-expansion-matched board materials; prototype using the footprint-compatible adapter methodology described in Microchip's RTAX-S/SL prototyping application note before flight-lot commitment.
This page synthesizes verified distributor data, same-package drop-in family variants, and practical design notes not found in the manufacturer datasheet alone.
Mga alternatibo na pwedeng ilagay na RTAX4000SL-LG1272E — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok RTAX4000SL-LG1272E (parehas na form factor at footprint) — pagkakaiba sa Family, Package, Configuration, Radiation Tolerance, Core Supply Voltage.
RTAX4000SL-1LG1272E
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →RTAX4000SL-1LG1272V
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →RTAX4000SL-LG1272V
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →RTAX4000SL-1LG1272PROTO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →RTAX4000S-1LG1272PROTO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →RTAX4000SL-LG1272E Mga Pinakamataas na Rating at Electrical Characteristics
| Family | RTAX-SL Radiation-Tolerant FPGA |
| Equivalent Gates | 4,000,000 |
| CLBs (Logic Modules) | 40,320 |
| Logic Cells | 60,480 |
| Process Technology | 0.15 um CMOS |
| Core Supply Voltage | 1.5 V (1.425 V to 1.575 V) |
| Packhaging | 1272-Pin LGA (Ceramic Column) |
| Uri ng Pagpapasok | Surface Mount |
| Programmable Technology | Antifuse |
| Configuration | Live at power-up, single-chip |
| Radiation Tolerance | Radiation-tolerant (spaceflight class) |
| Application Domain | Space-flight systems |
| Packaging | Box |
Gabay sa Pin Configuration ng RTAX4000SL-LG1272E 1272-pin lga (ceramic column)
Pin configuration para sa RTAX4000SL-LG1272E (1272-pin lga (ceramic column) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa RTAX4000SL-LG1272E.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
RTAX4000SL-LG1272E ay nararapat para sa 6 aplikasyons: Satellite Payload Data Processing, Spacecraft Bus Control and Telemetry, Planetary Instrument and Sensor Interface, Deep-Space Communication Baseband, Launch Vehicle Avionics, FPGA Prototyping and Flight Design Migration.
Satellite Payload Data Processing
The RTAX4000SL-LG1272E fits payload data processing chains where high logic density and SEU resilience are non-negotiable. Its 4,000,000 equivalent gates and 60,480 logic cells accommodate framer, formatter, and compression pipelines, while the antifuse fabric eliminates configuration-upset failure modes that SRAM FPGAs must mitigate with TMR and scrubbing. The 1.5V (1.425V-1.575V) core keeps static power low for power-limited spacecraft. Deployed between sensor front ends and downlink modems, it processes data deterministically at power-up with no boot PROM, and the 1272-pin LGA-1272 package supplies the I/O count for wide parallel data buses. Trade-off: one-time programming locks the payload function before launch, so extensive flight-software validation in Libero SoC is mandatory.
Inirekomenda
Spacecraft Bus Control and Telemetry
For spacecraft bus controllers and telemetry digitizers, the RTAX4000SL-LG1272E provides live-at-power-up operation, ensuring the platform is controllable the instant power is applied during launch, separation, and safe-mode events. The 40,320 CLBs implement housekeeping UART/MIL-STD-1553 style interfaces, watchdog logic, mode state machines, and telemetry framers, while the antifuse configuration cannot corrupt under heavy-ion exposure. Core operation at 1.5V within a 1.425V-1.575V window simplifies point-of-load regulation from spacecraft buses. The 1272-column LGA package offers abundant I/O banks for discrete monitoring, heater control, and redundant bus interfaces. Design consideration: the one-time-programmable fabric means bus logic must be finalized and timing-closed in Libero SoC before flight-lot programming.
Inirekomenda
Planetary Instrument and Sensor Interface
Science instruments on planetary probes demand deterministic, radiation-tolerant logic that survives multi-year cruises; the RTAX4000SL-LG1272E delivers 4M gates of antifuse fabric with inherently upset-immune configuration for ADC control, sequencer timing, and histogramming pipelines. The 60,480 logic cells and embedded memory handle sensor calibration math, while the 1272-pin LGA-1272 package connects high-channel-count detector arrays. Its 0.15um CMOS process and 1.5V core minimize dissipation inside thermally constrained instrument enclosures, and single-chip operation removes configuration-storage parts from the reliability budget. Instruments benefit because the FPGA is functional at first power-on after the years-long cruise, with no loader needed. Trade-off: fixed function after programming, so instrument modes must be fully defined pre-flight.
Inirekomenda
Deep-Space Communication Baseband
Deep-space transponders and baseband modulators rely on the RTAX4000SL-LG1272E's 4,000,000-gate fabric to implement convolutional/LDPC-style encoding blocks, symbol mappers, and CCSDS framing within a single radiation-tolerant device. Antifuse configuration withstands the heavy-ion flux encountered beyond Earth's magnetosphere without scrubbing traffic, and 1.5V core operation (1.425V-1.575V) meets spacecraft power budgets. The 1272 LGA columns support wide parallel sample paths between ADC/DAC converters and the digital modem. Live-at-power-up startup matters for autonomous deep-space operation where no operator can reload configuration. Engineering note: use the -1 speed grade (RTAX4000SL-1LG1272E, 0.99 ns CLB delay) if symbol rates push timing closure in the base grade.
Inirekomenda
Launch Vehicle Avionics
Launch-vehicle flight computers and sequencing units use the RTAX4000SL-LG1272E because flight-critical logic must be correct at first power application with zero probability of configuration corruption during the vibrational and radiational ascent environment. The device's 40,320 CLBs implement redundant flight-event sequencers, majority-voted discrete interfaces, and telemetry encoders, while antifuse single-chip construction removes configuration PROM vibration and SEU concerns. The 1.5V core's low static draw suits battery-powered avionics bays. The LGA-1272 ceramic column package withstands launch mechanical stress when mounted per Microchip's surface-mount column-grid guidelines. Pitfall to avoid: protoflight screening units (e.g., PROTO suffix parts) should validate design only; flight lots require the appropriate screening suffix.
Inirekomenda
FPGA Prototyping and Flight Design Migration
Microchip's documented prototyping methodology pairs RTAX4000SL flight devices with footprint-compatible adapter boards so teams validate RTAX-SL designs before committing one-time-programmable flight units. The RTAX4000SL-LG1272E serves as the migration target: the same 4M-gate fabric, 60,480 logic cells, and LGA-1272 pinout are shared with PROTO-suffix parts (RTAX4000SL-1LG1272PROTO) used during verification. An EDIF netlist and pinout converter carries the design from the prototype device to the flight device, minimizing rework. Because antifuse parts cannot be reprogrammed, teams complete timing closure at 1.5V in Libero SoC and exhaustively simulate before programming. This adapter-based flow, described in the RTAX-S/SL datasheet, is the industry-standard de-risking path for LGA-1272 flight designs.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for RTAX4000SL-LG1272E — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | RTAX4000SL-1LG1272E | RTAX4000SL-1LG1272V | RTAX4000SL-LG1272V | RTAX4000SL-1LG1272PROTO | RTAX4000S-1LG1272PROTO |
|---|---|---|---|---|---|---|
| Package | LGA-1272 | LGA-1272 - same | LGA-1272 - same | LGA-1272 - same | LGA-1272 - same | LGA-1272 - same |
| Brand | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) |
| Equivalent Gates | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 |
| Logic Cells | 60,480 | 60,480 | 60,480 | 60,480 | 60,480 | 60,480 |
| CLBs | 40,320 | 40,320 | 40,320 | 40,320 | 40,320 | 40,320 |
| Speed Grade | Standard | -1 (0.99 ns CLB delay) | -1 | Standard | -1 | -1 |
| Screening / Temperature Suffix | E | E | V | V | PROTO | PROTO |
| Core Supply Voltage | 1.5 V (1.425-1.575 V) | 1.5 V (1.425-1.575 V) | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
Pangunahing mga Pagkakaiba
- Single-chip, live-at-power-up operation (kumpara saSRAM-based space FPGAs)
- Base speed grade at lower cost (kumpara saRTAX4000SL-1LG1272E)
- E vs V screening selection (kumpara saRTAX4000SL-LG1272V)
Talaan ng Disenyo
The LGA-1272 ceramic column package uses solder columns (not balls), requiring a dedicated land pattern with column-grid pitch per the RTAX-S/SL datasheet package drawing. Solder-joint inspection needs X-ray or angled microscopes since columns sit under the body. Use CTE-matched board materials or under-stiffened layouts to limit thermal-cycling strain on outer columns. Per Microchip's prototyping application note, validate assembly with the footprint-compatible adapter board before committing flight hardware.
Power the 1.5V core within the 1.425V-1.575V window using a tight-tolerance point-of-load regulator; antifuse fabric draws low static current but dynamic power scales with clock rate and switching activity, so run Microchip's power estimator with your Libero netlist before finalizing the rail design. Sequence I/O banks before or with the core per datasheet guidance and decouple all core/I/O rails with low-ESR ceramics placed at the LGA land pattern.
RTAX-SL parts are one-time programmable: an antifuse programmed incorrectly consumes the device. Complete timing closure at the correct speed grade (base vs -1, 0.99 ns CLB delay), pass all DRCs, and lock pin assignments in Libero SoC before submitting to programming. Do not substitute PROTO-suffix parts for flight units, and verify the screening suffix (E vs V) against the mission environmental specification before ordering.
Impormasyon ng Pagsunod sa Kautusan
No RoHS/REACH declaration found in verified web data for this space-grade ceramic package as of 2026-09-02; request Microchip material declaration directly.
