RTAX2000S-1CQ256V - 2M-Gate Rad-Tolerant FPGA CQ256 | Microchip
MPN: RTAX2000S-1CQ256V β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3500 | $3,500.00 |
| 10 | $3300 | $33,000.00 |
| 100 | $3100 | $310,000.00 |
| 500 | $2950 | $1,475,000.00 |
| 1,000 | $2800 | $2,800,000.00 |
Drop-in alternatives for RTAX2000S-1CQ256V 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:
RTAX2000SL-1CQ256V
β Drop-Inπ Reference alternative (not in catalog)
RTAX2000S-CQ256V
β Drop-Inπ Reference alternative (not in catalog)
RTAX2000SL-CQ256V
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
RTAX2000S-1CQ256B
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
RTAX2000SL-CQ256B
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
RTAX2000S-1CQ256V Maximum Ratings & Electrical Characteristics
| Equivalent System Gates | 2,000,000 |
| Configurable Logic Blocks (CLBs) | 21,504 |
| Additional ASIC Gates | 250,000 |
| Technology | CMOS antifuse (one-time programmable) |
| Family | RTAX-S radiation-tolerant FPGA |
| Configuration Type | Live at power-up, single-chip (no external boot device) |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Clock Resources | Segmentable clocks, chip-wide highway routing |
| Speed Grade | -1 |
| Quality / Temperature Grade | C (standard grade, space flight screening) |
| Package | CQ256 (256-pin ceramic quad flat package) |
| Mounting Type | Surface Mount |
| Target Applications | Space flight systems |
| Radiation Tolerance | Radiation-tolerant (see manufacturer datasheet for TID/SEU figures) |
| RoHS Status | unknown |
RTAX2000S-1CQ256V cq256 (256-pin ceramic quad flat package) Pin Configuration Guide
Complete pinout information for RTAX2000S-1CQ256V (cq256 (256-pin ceramic quad flat package) 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 RTAX2000S-1CQ256V.
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
RTAX2000S-1CQ256V is suitable for 6 applications: Satellite Payload Data Processing, Spacecraft Bus Control and Telemetry, Deep-Space Probe Avionics, Launch Vehicle Electronics, Space-Grade Prototyping and Emulation, Radiation Test and Research Platforms.
Satellite Payload Data Processing
The RTAX2000S-1CQ256V fits satellite payload processing because its 2,000,000 equivalent gates and 21,504 CLBs implement framing, compression, and channel-coding datapaths, while embedded SRAM blocks with built-in FIFO control absorb rate mismatches between sensors and downlink. The antifuse fabric is immune to configuration upset, so no scrubbing controller or external configuration flash is needed in the payload chain, reducing parts count and failure modes. Placed between payload sensors and the telemetry formatter, the -1 speed grade closes timing on wide parallel buses, and the single-chip, live-at-power-up design simplifies redundancy management in orbit.
Recommended
Spacecraft Bus Control and Telemetry
Spacecraft bus controllers benefit from the RTAX2000S-1CQ256V's live-at-power-up behavior: attitude, power, and housekeeping logic is functional within microseconds of power application, with no configuration load time or boot device to fail. The 21,504 CLBs accommodate multiple MIL-STD-1553, UART, and custom telemetry interfaces implemented in a single device, while segmentable clocks allow independent clock domains for bus interfaces and mission logic. Its radiation-tolerant CMOS fabric keeps static power low - critical for eclipse-mode battery budgets - and the CQ256 ceramic package withstands the screening environment required for bus avionics assemblies.
Recommended
Deep-Space Probe Avionics
Deep-space missions face severe galactic-cosmic-ray flux where SRAM FPGA configuration upset rates become mission-limiting; the RTAX2000S-1CQ256V addresses this with inherently SEU-hard antifuse interconnect that cannot lose its configuration. The 2,000,000-gate capacity with an additional 250,000 ASIC gates supports instrument sequencing, science-data packetization, and fault-management logic on one chip. Chip-wide highway routing distributes clocks and control across the die with low skew for instrument synchronization. Flight heritage across the RTAX-S family, recognized in ESA documentation and ESCC REP 010 for the S variant, simplifies qualification reviews for probe-class programs.
Recommended
Launch Vehicle Electronics
Launch-vehicle flight computers and sequencers require deterministic power-up behavior and tolerance to vibration and radiation environments; the RTAX2000S-1CQ256V meets these with its one-time-programmable antifuse fabric (no configuration memory to upset) and hermetic 256-pin ceramic CQFP package. The -1 speed grade closes timing on safety-critical sequencing and abort-detection logic, while the 21,504-CLB capacity integrates redundant-channel voting and bus interfaces in a single device, reducing board count. Live-at-power-up operation guarantees the sequencer is active the instant flight batteries engage, with zero boot latency.
Recommended
Space-Grade Prototyping and Emulation
Because the RTAX2000S-1CQ256V is one-time programmable, flight designs must be validated on reprogrammable silicon first. Aldec's ACT-H3Ki-CQ256 adaptor board supports designs targeting the RTAX2000S/SL, mounting flash-based Microchip ProASIC3E technology in a footprint compatible with the RTAX device location - it assembles directly in the RTAX position with no target-board changes. This flow lets teams iterate RTL and timing in the lab, then commit to OTP flight parts with high confidence. The same package compatibility means signal-integrity measurements and board bring-up results transfer directly to the flight unit.
Recommended
Radiation Test and Research Platforms
Research institutions characterizing single-event effects use the RTAX2000S-1CQ256V as a reference device because its antifuse fabric provides a stable, upset-immune control fabric for building SEU test circuits, monitors, and readout electronics for beam-line campaigns. The 2,000,000-gate capacity hosts arrays of configurable test structures alongside error-detection logic, and embedded SRAM with FIFO control streams results off-chip during irradiation. Its documented heritage and public Microchip datasheet (rtaxs_ds2169) provide the traceable baseline data needed for publications and ESA-style qualification reports.
Recommended
Recommended Products Summary
Engineering reference data for RTAX2000S-1CQ256V β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTAX2000SL-1CQ256V | RTAX2000S-CQ256V | RTAX2000SL-CQ256V | RTAX2000S-1CQ256B |
|---|---|---|---|---|---|
| Package | CQ256 (256-pin ceramic CQFP) | CQ256 - same | CQ256 - same | CQ256 - same | CQ256 - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 2,000,000 | 2,000,000 | 2,000,000 | 2,000,000 | 2,000,000 |
| Speed Grade | -1 | -1 | standard | standard | -1 |
| Quality / Temperature Grade | C | C | C | C | B (military temperature) |
| CLBs | 21,504 | 21,504 | 21,504 | 21,504 | 21,504 |
| Configuration Technology | Antifuse (OTP), live at power-up | Antifuse (OTP), live at power-up | Antifuse (OTP), live at power-up | Antifuse (OTP), live at power-up | Antifuse (OTP), live at power-up |
| ESCC REP 010 Listing | Listed (RTAX2000S) | Equivalent heritage supported by Microchip/ESA documentation | Listed (RTAX2000S family) | Equivalent heritage supported | [DATA_NEEDED] |
| Programming | One-time programmable (permanent) | One-time programmable | One-time programmable | One-time programmable | One-time programmable |
Key Differentiators
- Faster -1 speed grade in the same CQ256 footprint (vs RTAX2000S-CQ256V)
- Explicit ESCC REP 010 listing for simplified qualification (vs RTAX2000SL-1CQ256V)
- Single-chip, live-at-power-up antifuse configuration (vs SRAM-based space FPGAs (Xilinx Virtex class))
Design Notes
The RTAX2000S is one-time programmable: antifuses are blown permanently at programming. Never program flight units until the design has closed timing in Libero and been validated on reprogrammable silicon - Aldec's ACT-H3Ki-CQ256 adaptor fits the RTAX footprint and uses flash-based ProASIC3E for this purpose. Also note the manufacturer's package-compatibility warning: RTAX2000S/SL and RTAX2000D/DL are NOT pin compatible in the CQ352 package type, so never assume family-wide pinout uniformity across CQFP variants.
Ceramic CQFP packages on space boards typically use hand-soldered or socketed assembly with relatively long leads; keep flight-critical clocks and strobes away from package corners where lead inductance dominates, and use series termination on all outputs leaving the package. The RTAX-S segmentable clock resources let you localize high-speed clocking to one region - use them to avoid distributing fast clocks chip-wide through the highway routing when only a subsystem needs them.
Estimated: RTAX-S antifuse FPGAs are noted by Microchip for low-power consumption and true single-chip operation (no external configuration device drawing current at boot). Because exact core/I/O current figures are not quoted in this page's verified data, obtain the ICC numbers from the rtaxs_ds2169 datasheet power chapter and budget them against the spacecraft power bus before layout; this also determines the decoupling network per power rail.
Plan the CQ256 land pattern per the package drawing in the Microchip datasheet and confirm compatibility of your board's footprint with the SL variant if a second-source substitution (e.g., RTAX2000SL-1CQ256V) may be populated later - same-footprint sourcing flexibility is one of the main advantages of this package choice. Include test access to all configuration/programming pins, since antifuse programming equipment interfaces through dedicated pins that must remain reachable in-circuit.
Compliance Information
Space-qualified ceramic hermetic package; compliance declarations must be obtained from Microchip product pages or distributor compliance documents - not present in provided web data.
