RTAX4000SL-CG1272V - 4M-Gate Rad-Tolerant FPGA CGA-1272 | Microchip
MPN: RTAX4000SL-CG1272V β Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for RTAX4000SL-CG1272V β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
RTAX4000SL-1CG1272V
β Drop-Inπ Reference alternative (not in catalog)
RTAX4000SL-1CG1272B
β Drop-Inβ In Stock
$6980 / Unit
View Datasheet βRTAX4000SL-1CGS1272EV
β Drop-Inπ Reference alternative (not in catalog)
RTAX4000SL-LG1272B
β Drop-Inβ In Stock
$9600 / Unit
View Datasheet βRTAX4000SL-2CG1272V
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
RTAX4000SL-CG1272V Maximum Ratings & Electrical Characteristics
| Logic Cells | 40320 |
| Equivalent System Gates | 4,000,000 |
| Technology | CMOS, antifuse, one-time programmable |
| Family | RTAX-S/SL Radiation-Tolerant FPGAs |
| Package | CGA-1272 ceramic column grid array, 1272 pins |
| Operating Temperature | -55C to +125C |
| Configuration | Live at power-up, single chip, no external boot device |
| SEU Immunity | SEU-hardened registers; SEU rate < 10-10 (per datasheet) |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Clocking | Segmentable clocks and chip-wide highway routing |
| Base Fabric | Derived from Microsemi Axcelerator family |
| Mounting Type | Surface Mount |
| Packaging Type | Hermetic ceramic (flight unit) |
RTAX4000SL-CG1272V cga-1272 ceramic column grid array, 1272 pins Pin Configuration Guide
Complete pinout information for RTAX4000SL-CG1272V (cga-1272 ceramic column grid array, 1272 pins package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for RTAX4000SL-CG1272V.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
RTAX4000SL-CG1272V is suitable for 6 applications: Satellite Payload Data Processing, Spacecraft Bus Control and Telemetry, Launch Vehicle Avionics, Deep-Space Science Instruments, Space-Grade Signal Processing / DSP, Ground Test and Prototyping Equipment.
Satellite Payload Data Processing
The RTAX4000SL-CG1272V is a natural fit for satellite payload data processing because it packs 4,000,000 equivalent gates and 40,320 logic cells behind SEU-hardened registers, so heavy DSP and framing pipelines operate without the resource overhead of full triple-module redundancy. Embedded SRAM blocks with built-in FIFO control logic buffer high-rate sensor or downlink data streams, while the 1272-pin CGA package supplies the I/O count needed for wide parallel data buses. Deployed between ADC/Front-end ICs and the downlink chain, the antifuse fabric is live at power-up with no configuration readout window, eliminating boot-time vulnerability. Operation from -55C to +125C in hermetic ceramic covers orbital thermal cycling; the main trade-off is one-time programmability, so flight logic must be finalized via prototyping first.
Recommended
Spacecraft Bus Control and Telemetry
Spacecraft bus controllers - attitude control, power switching sequencing, telemetry aggregation - demand deterministic, live-at-power-up logic, which is exactly what the antifuse RTAX4000SL-CG1272V delivers. Its SEU rate below 10-10 errors per bit-day keeps housekeeping registers stable in orbit, and single-chip integration removes the external configuration device that would otherwise be an additional rad concern. The segmentable clock network and chip-wide highway routing maintain low-skew distribution of the main spacecraft timing reference across 40,320 logic cells, while the extended -55C to +125C ceramic package survives eclipse-driven thermal swings. Designers should budget the OTP nature of the fabric: bus firmware-like behaviors must be encoded in RTL and fully verified before flight-lot programming.
Recommended
Launch Vehicle Avionics
Launch avionics experience intense vibration, wide temperature excursions, and short-lived but radiation-rich trajectories; the RTAX4000SL-CG1272V addresses all three. The hermetic CGA-1272 ceramic column grid array provides mechanical robustness compatible with spaceflight solder processes, and the -55C to +125C rating covers pre-launch pad conditions through ascent. Because the antifuse configuration is live at power-up, flight logic is instantly available at vehicle power application - critical for flight computers and stage-sequencing controllers with no time to boot. The SEU-hardened registers maintain event-sequence integrity under atmospheric radiation, and the 4M-gate capacity integrates flight-critical control, redundancy voting, and telemetry formatting in one device, reducing part count in high-reliability avionics boxes.
Recommended
Deep-Space Science Instruments
Deep-space missions face total ionizing dose and heavy-ion fluxes far beyond low-earth-orbit conditions, making the RTAX4000SL-CG1272V's radiation-tolerant fabric and SEU rate below 10-10 essential for instrument front-end processing. Its embedded SRAM with FIFO control supports high-rate image or spectrometer data buffering, while 4,000,000 gates accommodate on-board compression and packetization that reduce downlink bandwidth requirements. Live-at-power-up operation matters for instruments that must acquire data immediately after autonomous safe-mode resets far from Earth intervention. The hermetic ceramic package and -55C to +125C range suit the cold environments of outer-planet missions. Teams should validate TID performance against their mission's dose requirement using Microchip's radiation report data during instrument qualification.
Recommended
Space-Grade Signal Processing / DSP
The RTAX-DSP capability of the RTAX-S/SL fabric makes the RTAX4000SL-CG1272V suitable for on-board signal processing: FIR filtering, FFT windowing, and channelization for radar, communications, and imaging payloads. The Axcelerator-derived architecture provides carry-chain arithmetic across the 40,320-cell array, and embedded SRAM FIFOs feed processing pipelines without external memory - a major reliability benefit in orbit. With the base device performance available, wide parallel datapaths can substitute for very high clock rates, easing timing closure in radiation-deployed designs. Designers trade one-time programmability for radiation immunity: algorithm development should proceed on the Aldec flash-based ProASIC3E prototyping adaptor before freezing flight RTL. The 1272-pin CGA package supports the wide I/O needed for multi-channel DSP interfaces.
Recommended
Ground Test and Prototyping Equipment
Although itself one-time programmable, the RTAX4000SL-CG1272V anchors a well-established space development flow: designs are iterated on reprogrammable flash FPGAs, then committed to the rad-tolerant antifuse device for flight. Microchip and Aldec jointly offer a prototyping adaptor that maps RTAX-S designs onto Microchip ProASIC3E flash technology, preserving design flow while allowing hardware iteration. Engineering-model units such as the RTAX4000SL-1CGS1272EV provide the same timing attributes as flight units in non-hermetic ceramic, per the Microchip datasheet. The CG1272V then serves as the final integration target, where board-level signal integrity, power sequencing, and test coverage of the 1272-pin interface are validated before flight-lot acceptance testing.
Recommended
Recommended Products Summary
Engineering reference data for RTAX4000SL-CG1272V β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTAX4000SL-1CG1272V | RTAX4000SL-1CG1272B | RTAX4000SL-1CGS1272EV | RTAX4000SL-LG1272B |
|---|---|---|---|---|---|
| Package | CGA-1272 ceramic, 1272 pins | CGA-1272 ceramic - same | CBGA/CGA-1272 ceramic - same | CGS-1272 ceramic - same family | 1272-terminal ceramic - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology (Actel/Microsemi) | Microchip Technology (Actel/Microsemi) | Microchip Technology (Actel/Microsemi) | Microchip Technology (Actel/Microsemi) |
| Logic Cells | 40320 | 40320 | 40320 | 40320 | 40320 |
| Equivalent System Gates | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 (4.00E6) | 4,000,000 |
| Speed Grade | Base (standard) | -1 (relaxed timing) | -1 (relaxed timing) | -1 (relaxed timing, same timing attributes per datasheet PROTO note) | [DATA_NEEDED] |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | [DATA_NEEDED] |
| SEU Hardening | SEU-hardened registers, SEU rate < 10-10 | Same die - identical | Same die - identical | Same die - identical | Same die - identical |
| Screening / Flow | V flow (standard flight) | V flow (standard flight) | B flow (alternate screening) | E flow (engineering/prototype, non-hermetic option) | B flow |
Key Differentiators
- Radiation-tolerant SEU-hardened registers eliminate most TMR overhead (vs Commercial SRAM FPGAs)
- True single-chip live-at-power-up operation (vs SRAM-based space FPGAs)
- Same-die speed-grade flexibility within one footprint (vs RTAX4000SL-1CG1272V)
Design Notes
The RTAX4000SL antifuse fabric is one-time programmable: once a flight unit is programmed, the design cannot be changed. Never commit flight-lot devices before completing full functional verification. Use the Aldec/Microchip flash-based ProASIC3E prototyping adaptor (which maps RTAX-S designs onto ProASIC3E technology) or RTAX PROTO engineering units, which the datasheet states carry the same timing attributes as flight units, to close timing and validate the design first.
Estimated: determine board power by summing core static power (CMOS antifuse fabric has low static current), I/O current for the populated 1272-pin interface, and dynamic power from the Libero/Microchip power calculator for your utilization. Space power budgets are fixed by the solar array and battery; derate the supply converter for the -55C to +125C range and confirm the core supply voltage from the manufacturer datasheet before selecting point-of-load regulation.
A 1272-pin ceramic column grid array requires careful escape routing and thermal-mechanical design. Plan column-grid fanout on at least 8-12 layers, define power/ground plane cutouts per the package mechanical drawing in the Microchip RTAX-S/SL datasheet, and account for the coefficient of thermal expansion mismatch between the ceramic package and the board during thermal cycling. Follow Microchip's space hardware application notes for CCGA attachment and inspection criteria.
Compliance Information
Space-grade hermetic ceramic flight component; no RoHS/REACH/lead-free data was present in verified web data as of 2026-09-01. Aerospace exemption for lead-containing ceramic packages is common but must be confirmed via official Microchip material declarations.
