RTAX4000SL-CG1272E - 4M-Gate Rad-Tolerant FPGA CCGA-1272 | Microsemi
MPN: RTAX4000SL-CG1272E ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 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-CG1272E — 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-CG1272B
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →RTAX4000SL-1CG1272E
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →RTAX4000SL-CGS1272E
✅ Drop-In📋 Reference alternative (not in catalog)
RTAX4000SL-1CGS1272E
✅ Drop-In📋 Reference alternative (not in catalog)
RTAX4000SL-1CGS1272EV
✅ Drop-In📋 Reference alternative (not in catalog)
RTAX4000SL-LG1272V
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →RTAX4000SL-CG1272E Maximum Ratings & Electrical Characteristics
| Family | RTAX-SL Radiation-Tolerant FPGA |
| System Gates | 4,000,000 |
| Logic Cells | 40320 |
| Sequential Logic Cells | 60480 |
| Process Technology | 0.15 um CMOS |
| Core Supply Voltage | 1.5 V |
| Logic Family | CMOS |
| Package | 1272-Pin CCGA (Ceramic Column Grid Array) |
| Operating Temperature | -55C to +125C |
| SEU Immunity | Immune to single-event upsets to LETTH MeVcm2/mg |
| SEU Rate | < 10-10 errors/bit-day |
| SEU-Hardened Registers | Yes (eliminates need for TMR) |
| Programming Technology | Antifuse (one-time programmable) |
| Power-Up Operation | Live at power-up (single chip) |
| Radiation Environment | Space flight (radiation-tolerant) |
| Mounting Type | Surface Mount |
RTAX4000SL-CG1272E 1272-pin ccga (ceramic column grid array) Pin Configuration Guide
Complete pinout information for RTAX4000SL-CG1272E (1272-pin ccga (ceramic column grid array) 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-CG1272E.
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-CG1272E is suitable for 6 applications: Satellite Payload Data Processing, Spacecraft Attitude Control Systems, Telemetry, Tracking and Command (TT&C) Interfaces, Scientific Instrument Control and Data Acquisition, Launch Vehicle and Avionics Electronics, Deep-Space Probe On-Board Computing.
Satellite Payload Data Processing
The RTAX4000SL-CG1272E fits payload processing chains where high gate count (4,000,000 system gates, 40320 logic cells) must coexist with radiation robustness. Its SEU-hardened registers, with an upset rate below 10-10 errors/bit-day per the Microchip RTAX-S/SL datasheet, keep payload formaters, packetizers, and compression engines running without the area and timing overhead of triple-module redundancy. In the payload data path, the FPGA typically sits between instrument front-ends and the downlink formatter, implementing FIFOs, framing, and CRC in the embedded SRAM and logic fabric at a 1.5V core. The CCGA-1272 package provides the I/O count needed for wide parallel instrument interfaces. Because the antifuse fabric is one-time programmable, payload configurations are fixed before launch, eliminating configuration-upset concerns that affect SRAM FPGAs in orbit.
Recommended
Spacecraft Attitude Control Systems
Attitude control units demand deterministic, upset-immune control loops. The RTAX4000SL-CG1272E hosts star-tracker interfaces, gyro signal processing, and reaction-wheel PWM controllers in one chip, with -55C to +125C operation covering eclipse cold soak and sun heating. Live-at-power-up operation means the control logic is functional the moment the spacecraft wakes - a datasheet-highlighted advantage over SRAM FPGAs that need configuration loading. The SEU-hardened registers (rate below 10-10 errors/bit-day) protect critical loop state machines without TMR replication, preserving timing margin for high-rate control loops. The 1272-pin CCGA supplies abundant I/O for redundant sensor and actuator buses, and the ceramic column-grid construction survives launch vibration. Designers should budget the 1.5V core rail and verify drop performance under worst-case actuator switching on the shared spacecraft bus.
Recommended
Telemetry, Tracking and Command (TT&C) Interfaces
TT&C boards require radiation-tolerant logic that is always alive. The RTAX4000SL-CG1272E implements CCSDS framing, encryption pre-processing, and command decoders with its 4M-gate fabric and embedded SRAM, while live-at-power-up operation guarantees the receiver chain decodes commands immediately after switch-on, per Microchip's product description. Its SEU-hardened flip-flops (LETTH immunity, sub-10-10 upset rate) protect command legality state machines, and the antifuse fabric cannot suffer configuration upsets in orbit. The -55C to +125C rating matches unheated TT&C compartments on smallsats. With 1272 CCGA columns, the board gains interface headroom for redundant RF modems, dual transponder chains, and ground-test taps. The one-time-programmable nature suits TT&C because the command format is frozen early in the program, eliminating on-orbit reconfiguration risk entirely.
Recommended
Scientific Instrument Control and Data Acquisition
Space science instruments - imagers, spectrometers, particle detectors - need large glue-less FPGA capacity near the sensor head. The RTAX4000SL-CG1272E provides 40320 logic cells plus 60480 sequential cells, enough to implement detector timing generators, high-speed serial deserializers at the family's supported rates, and on-board co-addition pipelines. The 0.15um CMOS process minimizes static power, which matters for instruments with strict thermal budgets near cryogenic stages. Datasets stream through embedded SRAM FIFOs into mass-memory interfaces across the CCGA-1272's wide I/O ring. Radiation tolerance is intrinsic: SEU-hardened registers hold exposure counters and sequencing state correctly through SAA transits, per the datasheet's sub-10-10 errors/bit-day specification. The extended -55C to +125C industrial-mil temperature window covers instrument bay thermal swings without derating, simplifying the instrument's thermal design.
Recommended
Launch Vehicle and Avionics Electronics
Launch-stage avionics share space-grade requirements with tighter vibration and thermal profiles. The RTAX4000SL-CG1272E's ceramic column-grid package mechanically complies with PCB CTE mismatch, a key reason CCGA is favored over ball-grid ceramics in launch environments. The device implements flight sequencing, pyrotechnic firing logic, and bus bridges (MIL-STD-1553-style interfaces at the logic level) with deterministic, live-at-power-up behavior essential for ascent timelines. SEU-hardened registers maintain safety-critical interlock state at the datasheet's sub-10-10 upset rate, and the -55C to +125C rating covers unconditioned stage compartments. Because the fabric is antifuse, the flight logic cannot be corrupted in flight, supporting single-fault-tolerant architectures. Designers should validate the 1.5V core supply against stage battery sag during high-current events such as separation.
Recommended
Deep-Space Probe On-Board Computing
Deep-space missions face the harshest radiation spectra, making the RTAX4000SL-CG1272E's hardening directly relevant. Beyond the SEU-hardened registers, the antifuse configuration stores are immune to configuration upsets that plague SRAM FPGAs during solar particle events. The 4M-gate capacity supports on-board autonomy: fault management, mode scheduling, and science-data triage execute locally instead of relying on round-trip light-time ground commanding. Low static power from the 0.15um process preserves the limited RTG or solar power margin on missions beyond Mars. The device operates across -55C to +125C and its CCGA package survives the multi-year thermal cycling of an outer-planet cruise. According to Microchip, RTAX-S is the FPGA of choice for space designers seeking single-chip, live-at-power-up operation - properties that reduce deep-space failure modes.
Recommended
Recommended Products Summary
Engineering reference data for RTAX4000SL-CG1272E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTAX4000SL-CG1272B | RTAX4000SL-1CG1272E | RTAX4000SL-CGS1272E | RTAX4000SL-1CGS1272EV |
|---|---|---|---|---|---|
| Package | CCGA-1272 | CCGA-1272 - same | CCGA-1272 - same | CCGA-1272 - same | CCGA-1272 - same |
| Brand | Microsemi (Actel) | Microsemi (Actel) | Microsemi (Actel) | Microsemi | Microsemi |
| System 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 |
| Speed Grade | Standard | Standard | -1 (faster) | Standard | -1 (faster) |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C |
| Screening / Qualification Flow | E flow | B flow | E flow | GS flow | V flow (Space Level V) |
Key Differentiators
- Radiation-tolerant SEU-hardened registers without TMR overhead (vs RTAX4000SL-1CG1272E)
- V-qualification availability in the same footprint (vs RTAX4000SL-1CGS1272EV)
- Single-chip live-at-power-up operation vs SRAM FPGAs (vs RTAX4000SL-CG1272B)
- Ceramic column-grid reliability (vs RTAX4000SL-LG1272V)
Design Notes
RTAX-SL antifuse devices are one-time programmable: a design change consumes a new flight device. Use Microchip's documented prototyping methodology - a footprint-compatible adaptor board plus an EDIF netlist and pinout converter - to iterate on prototyping hardware before committing RTAX4000SL-CG1272E units. Additionally, note the ordering-code suffixes: E, B, GS, and V encode different screening flows; mixing flows across a flight lot can jeopardize program qualification, so lock the exact suffix in your procurement documentation early.
The CCGA-1272 uses solder columns, not balls, precisely to absorb CTE mismatch between the ceramic package and organic PCB. Layout rules from Microchip's RTAX-S/SL datasheet package section specify the column land pattern; do not substitute BGA footprints. Plan redundant power/ground column rows for the 1.5V core and I/O banks, and provide via-in-pad or dog-bone fanout consistent with column pitch. Inspect solder columns with X-ray after reflow - hidden voids in CCGA attach are the leading assembly defect in space boards.
The core supply is 1.5V per the RTAX4000SL-CG1272E datasheet listing; I/O banks run at their own rails per bank configuration. Estimated: static power is low in the 0.15um antifuse fabric, but dynamic power scales with clock rate and toggle activity - verify with Microchip's LibreSL/Designer power estimator for your netlist before sizing the spacecraft 1.5V converter. Provide clean sequencing and bulk decoupling near the CCGA column clusters to handle payload activation transients.
With up to 1272 I/O, simultaneous switching noise on shared return columns is the main SI risk. Group high-toggle-rate outputs to dedicated ground columns, use the datasheet's drive-strength settings to avoid unnecessary overshoot, and terminate single-ended lines per flight-harness practice. For board-to-board links, prefer differential standards supported by the I/O banks and keep stub lengths short under the ceramic package where probing is impossible after assembly.
Compliance Information
Space-grade ceramic CCGA package; RoHS/REACH status not stated in the verified distributor data and must be confirmed with Microchip for the specific screening flow.
