RTAX1000SL-1LG624V - 1M-Gate Rad-Tolerant FPGA | Microchip
MPN: RTAX1000SL-1LG624V ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1200 | $1,200.00 |
| 10 | $1140 | $11,400.00 |
| 100 | $1080 | $108,000.00 |
| 500 | $1026 | $513,000.00 |
| 1,000 | $975 | $975,000.00 |
Drop-in alternatives for RTAX1000SL-1LG624V — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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RTAX1000SL-LG624V
✅ Drop-In📋 Reference alternative (not in catalog)
RTAX1000S-LG624V
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View Datasheet →RTAX2000SL-1LG624V
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View Datasheet →RTAX2000S-1LG624V
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View Datasheet →RTAX250S-1LG624V
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View Datasheet →RTAX250SL-1CQ208PROTO
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View Datasheet →RTAX1000SL-1LG624V Maximum Ratings & Electrical Characteristics
| Logic Cells | 18144 |
| CLBs (Combinatorial Logic Blocks) | 12096 |
| Equivalent System Gates | 1000000 |
| ASIC Gates | 125000 |
| Max CLB Combinatorial Delay | 0.93 ns |
| Process Technology | 0.15 um CMOS |
| Core Supply Voltage | 1.5 V |
| Speed Grade | -1 |
| Family | RTAX-SL (Radiation-Tolerant FPGA) |
| Package | 624-pin LG (LGA) |
| Programmability Type | OTP anti-fuse |
| Embedded Memory | Embedded SRAM with FIFO control logic |
| Operating Temperature Range | -55C to +125C |
| Mounting Type | Surface Mount |
| Configuration | Live at power-up, single-chip |
| Application Domain | Space-flight systems |
RTAX1000SL-1LG624V 624-pin lg (lga) Pin Configuration Guide
Complete pinout information for RTAX1000SL-1LG624V (624-pin lg (lga) 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-1LG624V.
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-1LG624V is suitable for 6 applications: Satellite Payload Data Processing, Spacecraft Telemetry, Tracking and Command (TT&C), Orbital Instrument Control and Data Acquisition, Spaceflight Avionics and Bus Bridging, Radiation-Tolerant System Glue Logic, Launch Vehicle and Reentry Systems Electronics.
Satellite Payload Data Processing
The RTAX1000SL-1LG624V fits satellite payload processing because its 1,000,000 equivalent gates and 18,144 logic cells provide enough fabric for on-board data compression, formatting, and sensor-stream pre-processing, while its anti-fuse OTP configuration is immune to the configuration-memory single-event upsets that plague SRAM-based FPGAs in orbit. The embedded SRAM blocks with built-in FIFO control logic buffer high-rate instrument data, and 0.93 ns CLB combinatorial delay (-1 speed grade) supports parallel pipelines at useful throughput. In a typical implementation, the FPGA sits between the payload sensor chain and the spacecraft downlink, implementing glue logic and protocol bridging in a single chip. Because it is live at power-up, payload startup sequencing is simplified, and the low static power of the 0.15 um CMOS 1.5 V core respects the tight orbital power budget.
Recommended
Spacecraft Telemetry, Tracking and Command (TT&C)
For spacecraft TT&C subsystems, the RTAX1000SL-1LG624V provides a radiation-tolerant, single-chip implementation of command decoders, telemetry encoders, and time-tag generation. Its 624-pin LG package offers abundant I/O for connecting to redundant bus transceivers and housekeeping ADCs, and the RTAX-SL fabric's segmentable clock resources simplify multiple independent clock domains for uplink, downlink, and timing chains. Because anti-fuse interconnect is programmed once and is not stored in flip-flops, command-path logic retains correctness through heavy-ion strikes, an essential property for spacecraft survival. The device operates from -55C to +125C, covering eclipse-to-sun thermal swings without derating surprises. The 0.93 ns CLB delay supports the moderate clock rates typical of TT&C, and live-at-power-up behavior guarantees the command receiver is functional from the first moments after launch-vehicle separation.
Recommended
Orbital Instrument Control and Data Acquisition
Science instruments on orbital platforms - imagers, spectrometers, and particle detectors - require deterministic sequencing, high-rate data capture, and radiation robustness, all delivered by the RTAX1000SL-1LG624V. The 12,096 CLBs implement CCD/CIS timing generators and ADC interface state machines, while embedded SRAM FIFOs decouple continuous sensor streams from burst downlink transfers. The -1 speed grade's 0.93 ns maximum CLB combinatorial delay allows fine-grained pixel-clock pipelining, and the 1.5 V core keeps dynamic power low during long integration periods. Anti-fuse configuration means instrument logic is active immediately at power-up with no boot delay and no configuration-readback upsets during radiation events. Designers typically validate the logic on a footprint-compatible prototyping flow, as described in Microchip's application note 'Prototyping for RTAX-S and RTAX-SL Devices,' before committing flight anti-fuse units.
Recommended
Spaceflight Avionics and Bus Bridging
Spacecraft avionics buses such as MIL-STD-1553, SpaceWire, and CAN require bridge logic that survives radiation and remains single-chip for reliability. The RTAX1000SL-1LG624V implements these protocol engines within its 18,144 logic cells, with dedicated I/O capacity from the 624-pin LG package to interface transceivers, memories, and processors. Chip-wide highway routing and segmentable clocks support clean multi-domain designs mixing the bus clock, processor clock, and local timing references. Operating across -55C to +125C, the device tolerates the thermal environment of avionics bays, and its latch-up-immune CMOS process protects against destructive events. The 125,000 ASIC-gate capacity gives designers headroom for custom instruction accelerators alongside the protocol cores. Live-at-power-up operation ensures the avionics bridge is available for launch-vehicle checkout without a separate configuration controller.
Recommended
Radiation-Tolerant System Glue Logic
Many space boards still need substantial glue logic - address decoding, bus width conversion, interrupt aggregation, reset control, and memory arbitration - implemented in a device that will not upset in flight. The RTAX1000SL-1LG624V serves this role with substantial margin: even at 30-40% utilization of its 1,000,000 gates, it absorbs all random logic on a typical spacecraft board while leaving embedded SRAM available for scratch buffers. Its OTP anti-fuse fabric needs no configuration PROM, reducing board area and eliminating a common single-point-of-failure, and live-at-power-up logic removes power-sequencing dependencies. The 1.5 V core and 0.15 um CMOS process keep quiescent power negligible, important for buses powered through eclipse. For designs whose glue needs grow, the same LG624 footprint accepts the RTAX2000SL-1LG624V, enabling a no-board-change density migration.
Recommended
Launch Vehicle and Reentry Systems Electronics
Launch vehicles and reentry systems need flight logic that is functional within milliseconds of power application and immune to the mixed radiation and vibration environment of ascent. The RTAX1000SL-1LG624V meets both constraints: anti-fuse configuration is permanent and live-at-power-up, so no configuration loading time delays critical sequencing, and the radiation-tolerant CMOS fabric withstands the radiation profiles of high-altitude and orbital trajectories. The -55C to +125C operating range and surface-mount 624-pin LG package suit ruggedized avionics assemblies. Its 0.93 ns CLB delay supports event-timing and safe-and-arm interface logic, while 18,144 logic cells implement redundant voting schemes (e.g., triple-modular redundancy wrappers) around critical control paths. Because the device is one-time programmable, flight lots are programmed after prototyping on footprint-compatible boards, ensuring the flight design is fully verified before Commit To Program.
Recommended
Recommended Products Summary
Engineering reference data for RTAX1000SL-1LG624V — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RTAX1000SL-LG624V | RTAX1000S-LG624V | RTAX2000SL-1LG624V | RTAX250S-1LG624V |
|---|---|---|---|---|---|
| Package | 624-pin LG (LGA) | 624-pin LG (LGA) - same | 624-pin LG (LGA) - same | 624-pin LG (LGA) - same | 624-pin LG (LGA) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 1000000 | 1000000 | 1000000 | ~2000000 | ~250000 |
| Logic Cells | 18144 | 18144 | 18144 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -1 | Standard | Standard | -1 | -1 |
| Max CLB Combinatorial Delay | 0.93 ns | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Core Supply Voltage | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Radiation Tolerance | Rad-tolerant (RTAX-SL, space-grade) | Rad-tolerant (RTAX-SL) | Rad-tolerant (RTAX-S) | Rad-tolerant (RTAX-SL) | Rad-tolerant (RTAX-S) |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C |
Key Differentiators
- Faster -1 speed grade at same density (vs RTAX1000SL-LG624V)
- Enhanced RTAX-SL radiation tolerance tier (vs RTAX1000S-LG624V)
- Optimal cost for 1M-gate designs (vs RTAX2000SL-1LG624V)
- Headroom over low-density parts (vs RTAX250S-1LG624V)
Design Notes
RTAX-SL devices use one-time-programmable anti-fuse technology: once programmed, the design cannot be changed or reprogrammed. Never program flight units with unverified logic. Follow Microchip's recommended methodology of prototyping on a footprint-compatible prototyping device (such as the RTAX prototyping MPNs) using an EDIF netlist and pinout converter flow, as described in the RTAX-S/SL datasheet and the application note 'Prototyping for RTAX-S and RTAX-SL Devices'. Only after timing closure and functional verification should flight anti-fuse parts be committed.
The RTAX1000SL-1LG624V operates from a 1.5 V core supply on a 0.15 um CMOS process. Design the power tree to supply the core rail, I/O banks, and any auxiliary supplies per the RTAX-S/SL datasheet power tables. Because anti-fuse FPGAs have low static power, dynamic power from clock networks and switching activity usually dominates; use Microchip's Libero power estimation tools before finalizing the spacecraft power budget, and enable clock gating on inactive logic blocks to reduce orbital-average consumption during eclipse periods.
The 624-pin LG (LGA) package is a land-grid array: PCB land pattern design, solder paste volume, and reflow profile must follow the manufacturer-recommended LGA assembly guidelines. Provide adequate decoupling capacitance at each supply pin group, and keep high-speed I/O stubs short. Because this is a space-grade assembly, verify land pattern dimensions against the datasheet package drawing and account for thermal-cycle-driven stress relief in the stack-up. Lock pin assignments early in Libero SoC, since pin changes after layout are costly on flight hardware.
Compliance Information
Space-grade device qualified under Microchip/DLA radiation-tolerant programs (DLA Standard Microcircuit Cross-Reference listing exists for RTAX1000SL-1LG624V, qualified per Mil Prf 38535 class V flows per Microchip DLA Cross Reference Guide). RoHS/REACH status not stated in provided data.
