RTAX1000SL-LG624V - Rad-Tolerant FPGA, 1M Gates | Microchip
MPN: RTAX1000SL-LG624V ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2450 | $2,450.00 |
| 10 | $2327.5 | $23,275.00 |
| 100 | $2205 | $220,500.00 |
| 500 | $2107 | $1,053,500.00 |
| 1,000 | $2025 | $2,025,000.00 |
Drop-in alternatives for RTAX1000SL-LG624V — 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:
RTAX1000SL-1LG624V
✅ Drop-In✓ In Stock
$975 / Unit
View Datasheet →RTAX1000S-LG624V
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$2600 / Unit
View Datasheet →RTAX1000S-1LG624V
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$3600 / Unit
View Datasheet →RTAX250SL-LG624V
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1620 / Unit
View Datasheet →RTAX2000S-LG624V
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1 / Unit
View Datasheet →RTAX1000SL-LG624V Maximum Ratings & Electrical Characteristics
| Equivalent System Gates | 1,000,000 gates |
| Configurable Logic Blocks (CLBs) | 12096 |
| Logic Cells | 18144 |
| Technology | CMOS antifuse |
| Radiation Tolerance | Radiation-tolerant (space-flight grade) |
| Operating Temperature Range | -55C to +125C |
| Package | 624-terminal ceramic CGA (LG624) |
| Mounting Type | Surface Mount |
| Configuration Type | One-time programmable antifuse (live at power-up) |
| Embedded Memory | Embedded SRAM with built-in FIFO control logic |
| Clocking | Segmentable clocks, chip-wide highway routing |
| Arithmetic Support | Dedicated carry logic |
| Speed Grade (this MPN) | Standard (L) |
| CLB Combinatorial Delay (speed grade 1 variant) | 0.93 ns max |
| Series | RTAX-S/SL (RTAX1000SL) |
RTAX1000SL-LG624V 624-terminal ceramic cga (lg624) Pin Configuration Guide
Complete pinout information for RTAX1000SL-LG624V (624-terminal ceramic cga (lg624) 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 RTAX1000SL-LG624V.
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
RTAX1000SL-LG624V is suitable for 6 applications: Satellite Payload Data Processing, Spacecraft Command and Data Handling (C&DH), Telemetry and Telecommand Interfaces, Launcher Avionics and Flight Control Logic, Deep-Space Scientific Instrument Interfaces, Radiation-Hardened Glue Logic Consolidation.
Satellite Payload Data Processing
The RTAX1000SL-LG624V provides 1,000,000 equivalent gates and 12,096 CLBs of radiation-tolerant logic for on-board payload processing, including formatting, compression glue logic, and high-speed data pathing between sensors and downlink chains. Its embedded SRAM with built-in FIFO control logic handles rate buffering between subsystems clocked at different frequencies, while chip-wide highway routing sustains wide data buses across the die. Because the antifuse fabric is live-at-power-up, payload logic is operational immediately after spacecraft power application with no configuration boot time - critical for launch and early-orbit operations. The -55C to +125C operating range covers the thermal cycling typical of LEO and GEO orbits, and the CMOS process keeps static power within tight spacecraft power budgets.
Recommended
Spacecraft Command and Data Handling (C&DH)
Command and data handling modules require deterministic, single-chip control logic that survives radiation exposure over multi-year missions. The RTAX1000SL-LG624V fits this role with its non-volatile antifuse fabric - there is no external configuration memory to upset, and no reconfiguration glitch risk after single-event transients. The 624-ball CGA package provides ample user I/O for MIL-STD-1553-style bus interfaces, telemetry encoders, and redundant sensor polling channels, and dedicated carry logic implements checksum and CRC arithmetic efficiently. Designers typically instantiate triple-modular redundancy in the 18,144 logic cells for the most critical state machines. The segmentable clock structure isolates timing domains between the processor interface and I/O sections, easing timing closure in the 0.93 ns-class fabric.
Recommended
Telemetry and Telecommand Interfaces
Telemetry/telecommand chains demand glitch-free sequential logic and predictable timing, which the RTAX1000SL-LG624V's one-time-programmable antifuse interconnect guarantees - routing delays are fixed at programming time, so timing analysis is deterministic over mission life, unlike SRAM FPGA routing that can vary with reconfiguration. The 12,096 CLBs accommodate frame formatters, convolutional encoders, and housekeeping multiplexers concurrently. Embedded SRAM FIFOs buffer bursts between the telemetry generator and the downlink modulator. Its CMOS static power suits continuous-operation housekeeping channels that run even in spacecraft safe mode, and the -55C to +125C rating tolerates eclipse-driven thermal swings. The 624-ball package supports the redundant, locked-stitched I/O schemes common in fault-tolerant telemetry designs.
Recommended
Launcher Avionics and Flight Control Logic
Launcher avionics impose extreme vibration, thermal, and radiation environments combined with zero-tolerance for boot failures. The RTAX1000SL-LG624V's antifuse configuration is immune to configuration memory upset and requires no configuration controller, meeting live-at-power-up requirements for flight-critical sequencing and flight-termination-adjacent logic. The 624-terminal ceramic CGA package is mechanically robust for high-shock launch profiles, and the wide -55C to +125C temperature range handles pad-to-orbit thermal transients. With 18,144 logic cells, designers implement voter logic, redundant control paths, and telemetry acquisition in one device, replacing multiple hi-rel ASICs or SSI/MSI logic. Fixed antifuse routing also simplifies worst-case timing analysis demanded by launch-vehicle certification reviews.
Recommended
Deep-Space Scientific Instrument Interfaces
Deep-space probes and science instruments operate for decades under high total ionizing dose, making the RTAX1000SL-LG624V's radiation-tolerant construction a natural fit for instrument sequencers, detector readout timing generators, and science-data formatting. The 1,000,000-gate density supports CCD/CMOS detector timing cores alongside housekeeping state machines, while embedded SRAM FIFOs coalesce high-rate science frames into downlink-sized packets. Because antifuse configuration is permanent, instrument firmware behavior is fixed and auditable - valuable for mission assurance reviews. Low CMOS power suits radioisotope or small-solar-array power constraints on outer-planet missions. The segmentable clock tree lets the detector clocking domain run independently of the spacecraft data-bus interface domain without crosstalk-sensitive routing.
Recommended
Radiation-Hardened Glue Logic Consolidation
Many spacecraft boards still carry dozens of hi-rel MSI/SSI devices for bus bridging, address decoding, and interface conversion. Consolidating this glue logic into one RTAX1000SL-LG624V reduces board area, part count, and assembly radiation screening cost - the device's 12,096 CLBs and 18,144 logic cells comfortably absorb several hundred gates of legacy logic with margin for growth. Fixed antifuse delays make the consolidated paths fully timing-verifiable, and the 624 user I/O balls interface to legacy 5V-tolerant-tolerant style board buses through appropriate level translation. Live-at-power-up operation matches the power sequencing assumptions of older heritage designs, so migration does not require board power-architecture changes. Footprint-compatible prototyping with commercial Axcelerator boards de-risks the RTL before flight-lot commit.
Recommended
Recommended Products Summary
Engineering reference data for RTAX1000SL-LG624V — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTAX1000SL-1LG624V | RTAX1000S-LG624V | RTAX250SL-LG624V | RTAX2000S-LG624V |
|---|---|---|---|---|---|
| Package | 624-ball ceramic CGA (LG624) | 624-ball ceramic CGA (LG624) - same | 624-ball ceramic CGA (LG624) - same | 624-ball ceramic CGA (LG624) - same | 624-ball ceramic CGA (LG624) - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 1,000,000 | 1,000,000 | 1,000,000 | 250,000 (approx.) | 2,000,000 (approx.) |
| Logic Cells | 18144 | 18144 | 18144 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | Standard (L) | -1 (faster, 0.93 ns CLB delay) | Standard | Standard | Standard |
| Configuration Technology | Antifuse (OTP, live at power-up) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C |
| Target Use Case | Space payload / C&DH at 1M-gate density | Timing-critical space designs | Same-density dual sourcing | Prototyping / low-density flight | Headroom for growth / larger designs |
Key Differentiators
- Faster timing margin available without redesign (vs RTAX1000SL-1LG624V)
- Optimal density point on a shared footprint (vs RTAX250SL-LG624V)
- Cost-optimized for the required density (vs RTAX2000S-LG624V)
Design Notes
Estimate static power from the CMOS core current at your junction temperature plus dynamic power from switching activity: P_total = P_static + alpha * C * V^2 * f summed over toggling nets. Space designs typically budget 20-30% margin; run Microchip's power calculator in Libero SoC with post-layout netlist activity for flight numbers. Decouple the core and I/O rails with low-ESR ceramics placed at the CGA ball exits, and verify supply sequencing on multi-rail boards since the antifuse fabric is live the instant power is applied.
The 624-ball ceramic CGA (column grid array) requires careful land-pattern design and reflow profile control; follow the land pattern in the Microchip package document and inspect for column collapse via X-ray. Because these are one-time-programmable flight devices, prototype the board with the footprint-compatible adapter-board methodology Microchip documents in the RTAX-S/SL datasheet (EDIF netlist and pinout converter), using commercial Axcelerator or lower-density RTAX parts before committing flight lots.
With 624 available balls, many concurrent switching outputs can cause simultaneous switching noise on ground/power returns. Group switching outputs by bank, stagger edge rates in Libero where the interface allows, and return every fast signal on an adjacent reference plane. For mission-critical sequential logic, apply triple-modular redundancy within the 18,144 logic cells and use the fixed antifuse routing delays to close timing with margin rather than relying on typical-corner numbers.
The RTAX-S/SL fabric is one-time programmable - an incorrect programming file or an RTL change after programming requires a new physical device, so lock the design and complete full verification before submitting devices for programming. Do not assume pinouts transfer between package options (LG624 vs CQ352/CG624 differ); always regenerate pin constraints per package. Also verify that the DLA SMC cross-referenced variants (e.g., RTAX1000SL-1LG624V) satisfy your program's drawing requirements before substituting.
Compliance Information
Compliance data not stated in the retrieved web data. Space-grade ceramic CGA packaging is frequently exempt from certain RoHS provisions; obtain manufacturer compliance certificates directly from Microchip for flight documentation.
