RTAX4000SL-1CG1272B - 4M Gate Rad-Tolerant FPGA CCGA-1272 | Microchip
MPN: RTAX4000SL-1CG1272B ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8950 | $8,950.00 |
| 10 | $8500 | $85,000.00 |
| 100 | $7950 | $795,000.00 |
| 500 | $7450 | $3,725,000.00 |
| 1,000 | $6980 | $6,980,000.00 |
Drop-in alternatives for RTAX4000SL-1CG1272B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
RTAX4000SL-1LG1272B
✅ Drop-In✓ In Stock
$9200 / Unit
View Datasheet →RTAX4000SL-CG1272V
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Contact for price
View Datasheet →RTAX4000SL-LG1272B
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$9600 / Unit
View Datasheet →RTAX4000SL-1CG1272BX323
✅ Drop-In📋 Reference alternative (not in catalog)
RTAX4000SL-1CG1272B Maximum Ratings & Electrical Characteristics
| Family | RTAX-SL Radiation-Tolerant FPGA |
| Equivalent Gates | 4,000,000 |
| Logic Cells (CLBs) | 40320 |
| Process Technology | 0.15 um antifuse |
| Core Supply Voltage | 1.5 V |
| Package | 1272-Pin CCGA (CBGA1272) |
| Mounting Type | Surface Mount |
| Programming Type | One-Time Programmable (antifuse) |
| Configuration | Live at power-up, single chip |
| Radiation Tolerance | Radiation-tolerant (space-flight grade) |
| Speed Grade | -1 (standard) |
RTAX4000SL-1CG1272B 1272-pin ccga (cbga1272) Pin Configuration Guide
Complete pinout information for RTAX4000SL-1CG1272B (1272-pin ccga (cbga1272) 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-1CG1272B.
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-1CG1272B is suitable for 6 applications: Spacecraft On-Board Data Handling, Payload Data Processing, Satellite Bus Avionics, Scientific Instrument Interface Control, Launch Vehicle and Deep-Space Electronics, Secure Military and Aerospace Logic.
Spacecraft On-Board Data Handling
The RTAX4000SL-1CG1272B fits spacecraft on-board data handling (OBDH) because its 40320 logic cells implement telemetry formatting, telecommand decoding, and bus protocol bridges while its antifuse fabric is inherently immune to configuration SEU in orbit. Live-at-power-up operation means the FPGA is functional the moment 1.5 V core power is applied, with no external configuration PROM to fail at launch. Deployed in the 1272-pin CCGA, the device offers enough I/O to interface MIL-STD-1553, SpaceWire, and CAN subsystems concurrently. The trade-off is one-time programmability: the netlist must be fully verified before flight, and functional changes in orbit are impossible - so OBDH designs typically freeze the RTL early and apply TMR to control registers.
Recommended
Payload Data Processing
For imaging, scientific, and communications payloads, the RTAX4000SL-1CG1272B provides 4M equivalent gates of glueless processing logic between sensors, DSP chains, and downlink formatters. The 0.15 um antifuse process exhibits low static power, which directly reduces spacecraft power budget consumption compared with SRAM FPGAs whose configuration draws continuous standby current. The 1272-ball CCGA exposes the full I/O ring needed for multi-channel high-rate sensor capture. Performance consideration: payload engineers should pipeline wide datapaths to meet timing at the -1 speed grade, and because the device is one-time programmable, prototype timing closure on the RTAX4000SL-CG1272EV evaluation flow before committing flight units.
Recommended
Satellite Bus Avionics
Platform avionics - attitude control interfaces, power distribution monitoring, and housekeeping - benefit from the RTAX4000SL-1CG1272B's true single-chip form factor: no boot device, no configuration readback, and no configuration upsets to guard against. The radiation-tolerant RTAX-SL fabric supports latchup-immune operation during solar particle events, and the 1.5 V core keeps dynamic power low for continuous-duty bus electronics. The CCGA-1272 column array survives launch vibration and repeated thermal cycling better than fine-pitch BGA. Design teams typically reserve part of the 40320 cells for EDAC wrappers around external memories and TMR around voting logic, since only flip-flop SEU mitigation is required.
Recommended
Scientific Instrument Interface Control
Instruments such as spectrometers, star trackers, and particle detectors require deterministic, radiation-tolerant sequencing and high-channel-count acquisition, which the RTAX4000SL-1CG1272B delivers with 4M gates and the broad I/O ring of the 1272-pin CCGA. The antifuse configuration cannot corrupt under TID, so instrument start-up sequencing is guaranteed at power application - critical for instruments that must begin observing immediately after deployment. The -1 speed grade suits moderate-clock acquisition logic (tens of MHz) rather than GHz-class processing. Interface designers should budget I/O standards carefully, as the fixed fabric means any pinout change requires a new programmation; the Microchip prototyping adaptor flow de-risks pinout decisions before flight-lot programming.
Recommended
Launch Vehicle and Deep-Space Electronics
Launch vehicles and deep-space probes face extreme vibration and radiation, and the RTAX4000SL-1CG1272B addresses both: the CCGA ceramic package with solder columns mechanically isolates the die from board flex, while the radiation-tolerant antifuse fabric tolerates TID and SEU environments of trans-planetary missions. With 40320 cells available, guidance, navigation, and flight-critical state machines can be consolidated into one live-at-power-up device, eliminating configuration-storage failure modes. Low static power matters for cruise-phase missions operating on constrained solar or RTG power. The one-time-programmable nature demands gold-level verification; deep-space programs typically fly RTAX4000SL-CG1272EV prototypes in an extensive hardware-in-the-loop campaign before flight-part programming.
Recommended
Secure Military and Aerospace Logic
Beyond orbit, the RTAX4000SL-1CG1272B serves high-assurance aerospace systems where the one-time-programmable antifuse fabric doubles as a tamper-resistance feature: the bitstream is never stored externally and cannot be read back, so configuration IP is physically embedded in the device. The 4M-gate capacity hosts crypto co-processing wrappers, redundant flight-control voting logic, and sensor fusion. The 1272-pin CCGA suits rack-level avionics with high I/O fan-out. Note that commercial FPGAs such as Microchip PolarFire or Xilinx devices offer reprogrammability and lower power, but lack the space-grade radiation data package; conversely, RTAX-SL lacks flash reconfigurability - choose based on whether radiation tolerance or field updates dominate your requirement.
Recommended
Recommended Products Summary
Engineering reference data for RTAX4000SL-1CG1272B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTAX4000SL-1LG1272B | RTAX4000SL-CG1272V | RTAX4000SL-LG1272B | RTAX4000SL-CG1272EV |
|---|---|---|---|---|---|
| Package | CCGA-1272 (1272-pin) | CCGA-1272 - same | CCGA-1272 - same | CCGA-1272 - same | CCGA-1272 (evaluation) |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent Gates | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 |
| Logic Cells | 40320 | 40320 | 40320 | 40320 | 40320 |
| Core Voltage | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Process Technology | 0.15 um antifuse | 0.15 um antifuse | 0.15 um antifuse | 0.15 um antifuse | 0.15 um antifuse |
| Speed Grade / Suffix | -1, B suffix | -1, B suffix (LG finish) | V suffix speed grade | B suffix (LG finish) | EV evaluation variant |
| Programming | One-time programmable antifuse, live at power-up | Same | Same | Same | Same |
Key Differentiators
- SEU-immune antifuse configuration with live-at-power-up operation (vs RTAX4000SL-CG1272V)
- Alternate column finish availability at identical footprint (vs RTAX4000SL-1LG1272B)
- Largest I/O count within the RTAX4000SL package options (vs RTAX4000SL-CQ352E)
Design Notes
RTAX4000SL devices are one-time programmable. Once programmed, a flight part cannot be erased or re-flown, so any pinout, RTL, or timing change requires a new device. Microchip's documented mitigation is the footprint-compatible adaptor board prototyping flow with an EDIF netlist and pinout converter (referenced in the RTAX-S/SL datasheet): develop on the RTAX4000SL-CG1272EV evaluation hardware, freeze the pinout and netlist, then program flight units. Never program flight parts with pre-freeze bitstreams.
Although the antifuse configuration fabric is SEU-immune, user flip-flops are not. Apply triple modular redundancy (TMR) to control and state registers, and EDAC or scrubbing to external memories, using Microchip RTAX-S design-flip-flop libraries and SEU mitigation guidance. Budget the 40320-cell fabric accordingly - TMR typically triples the cell count of protected registers, so verify utilization and timing closure at the -1 speed grade before committing the flight lot.
The 1272-pin CCGA uses solder columns rather than solder balls, which mechanically decouple the ceramic substrate from PCB thermal-expansion mismatch - a key advantage over fine-pitch BGA in launch thermal cycling. Design the PCB land pattern per the CCGA column layout with adequate via-in-pad relief, and avoid rigid conformal potting over the column array. Follow ceramic-package assembly guidance for column-array reflow profiles; hand rework of 1272 columns is impractical, so inspect before final assembly.
Compliance Information
Compliance data not stated in verified web data. Space-grade ceramic CCGA packages are often subject to RoHS lead exemptions; confirm with Microchip before procurement.
