Microchip Technology

RTAX2000SL-CG1152V - 2M-Gate Rad-Tolerant FPGA | Microchip

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[DATA_NEEDED: core voltage] Vdss [DATA_NEEDED: total ionizing dose rating] Id CG1152 ceramic column grid array Package Segmentable clocks, chip-wide highway routing Speed Embedded SRAM with built-in FIFO control logic Memory
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Drop-in alternatives for RTAX2000SL-CG1152V — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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RTAX2000SL-1CG1152V

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Microchip Technology
📦 CG1152
RTAX-S/SL Radiation-Tolerant FPGAs · 2000000 · 32256 · 21504 · Digital CMOS, anti-fuse OTP · -1 · CG1152 (1152-pin ceramic column grid array) · V (space/flight, suffix V)

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RTAX2000SL-1LG1152V

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Microchip Technology
📦 CG1152
RTAX-S/SL Radiation-Tolerant FPGAs · 2,000,000 gates · 32,256 · 21,504 · Antifuse (one-time programmable) · Radiation-tolerant (space flight grade) · -1 · CG1152 (1152-pin ceramic column grid array)

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RTAX2000S-1CG1152V

✅ Drop-In
📦 CG1152
standard-power RTAX2000S die (no SL low-power suffix) in same CG1152 footprint, '-1' speed grade, higher static power than SL variant

📋 Reference alternative (not in catalog)

RTAX2000SL-1LG1152PROTO

✅ Drop-In
📦 CG1152
engineering/prototype grade of the same 1152-pin SL device, intended for design validation, not flight qualification

📋 Reference alternative (not in catalog)

RTAX2000SL-CG1152V Maximum Ratings & Electrical Characteristics

Family RTAX-S/SL Radiation-Tolerant FPGAs
Equivalent System Gates 2000000
Logic Cells 32256
Configurable Logic Blocks (CLBs) 21504
Technology Digital CMOS, antifuse OTP
Application Domain Space-flight systems, radiation tolerant
Configuration Live at power-up, single chip
Embedded Memory Embedded SRAM with built-in FIFO control logic
Clocking Segmentable clocks, chip-wide highway routing
Package CG1152 ceramic column grid array
Mounting Type Surface Mount
Speed Grade Standard (no speed-grade suffix)

RTAX2000SL-CG1152V cg1152 ceramic column grid array Pin Configuration Guide

Complete pinout information for RTAX2000SL-CG1152V (cg1152 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.

cg1152 ceramic column grid array package pinout diagram for RTAX2000SL-CG1152V

No detailed pinout data available for RTAX2000SL-CG1152V.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for RTAX2000SL-CG1152V Drain-to-Source Voltage (Vds) Drain Current (Id)

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

RTAX2000SL-CG1152V is suitable for 6 applications: Satellite Payload Data Processing, Spacecraft Bus Avionics, Earth-Observation Instrument Control, Launch Vehicle Flight Logic, On-Board Data Compression and Formatting, Fault-Tolerant System Prototyping and Migration.

✈️

Satellite Payload Data Processing

The RTAX2000SL-CG1152V fits satellite payload processing because its 2,000,000 equivalent gates and 32,256 logic cells absorb high-throughput framing, compression, and channel-encoding pipelines, while the antifuse OTP fabric is immune to configuration memory upsets in orbit - no scrubber or external configuration flash is needed. Designers typically implement CCSDS framing, Reed-Solomon or LDPC front-end stages, and sensor-data glue logic within the 21,504 CLB fabric, exploiting embedded SRAM blocks with built-in FIFO control logic for stream buffering between high-rate instrument interfaces and downchain encoders. Chip-wide highway routing distributes segmentable clocks with low skew across the processing pipeline, preserving timing closure at mission clock rates. Because the device is live at power-up in a true single-chip form factor, payload logic comes up instantly after a reset without a boot sequence - a decisive advantage for payload availability windows. The trade-off is one-time programmability: flight designs must be timing-verified on engineering parts before programming flight units.

🛰️

Spacecraft Bus Avionics

For spacecraft bus avionics - attitude control, command and data handling, power-switch sequencing logic - the RTAX2000SL-CG1152V offers low static power via the SL low-power die, which directly reduces solar-array and battery sizing margins on power-constrained platforms. The antifuse architecture provides deterministic, live-at-power-up behavior demanded by critical bus functions that must respond to safe-mode entry immediately after separation events. Its 2,000,000-gate capacity consolidates discrete 1553/UART/BC glue logic, watchdog functions, and mode-sequencing state machines that previously required multiple rad-tolerant ASICs or SSI/MSI devices, improving board-level parts-count reliability. The 1152-pin ceramic column grid array delivers hermetic packaging consistent with the thermal-vacuum and outgassing requirements of bus electronics. Engineers should reserve segmentable clock resources for the bus master clock domain and validate all state machines against single-event-effect requirements using the manufacturer's SEE reporting before flight review.

🎥

Earth-Observation Instrument Control

Imaging instruments on Earth-observation satellites require deterministic, low-jitter control of detector readout, timing generation, and high-speed data capture - workloads matched to the RTAX2000SL-CG1152V's register-rich Axcelerator-based logic elements with D-shaped flip-flops, which pipeline high-rate detector data without external FIFOs. Embedded SRAM with FIFO control logic stages image lines between the detector interface and the mass-memory formatter, while chip-wide highway routing fans out the instrument master timing with controlled skew across the 21,504-CLB array. Radiation tolerance ensures the timing generator continues operating through TID accumulation over multi-year LEO missions, and the single-chip, live-at-power-up design eliminates configuration-boot latency between imaging windows. Because instrument-control logic is finalized before launch and rarely changed in orbit, the OTP antifuse programming model imposes little practical limitation, making this device a strong fit versus reprogrammable SRAM alternatives that would require SEU-mitigation overhead.

🚀

Launch Vehicle Flight Logic

Launch-vehicle avionics experience severe vibration, thermal excursions, and radiation belts during ascent, making the hermetic 1152-pin ceramic column grid array of the RTAX2000SL-CG1152V appropriate for flight-control and telemetry logic. The antifuse fabric holds configuration through shock and vibration with no solder-down configuration memory to fail, and live-at-power-up behavior means flight logic is active from the instant of power application - critical for abort-detection and range-safety interfaces that cannot tolerate boot delay. The 2,000,000-gate density integrates vehicle-mode sequencing, telemetry encoders, and redundancy-voting logic in a single qualified device, replacing multiple rad-hard standard-logic parts and improving mean-time-between-failure at the box level. Engineering teams should perform vibration-qualified solder profiles per their program requirements and validate functional behavior on the RTAX2000SL-1LG1152PROTO engineering part, since flight units are one-time programmable and cannot be reworked after programming.

🖥️

On-Board Data Compression and Formatting

Data-compression and CCSDS-formatting engines are classic RTAX2000SL-CG1152V workloads: the 32,256 logic cells and 21,504 CLBs accommodate parallel LZ-class or transform-based compressor datapaths, while embedded SRAM blocks with built-in FIFO control logic hold reference windows and stream buffers without external memory. Chip-wide highway routing carries the formatter's segmentable clocks to all processing lanes with low skew, supporting sustained throughput to the downlink chain. Because compression logic is deterministic flight software-free RTL, the single-chip antifuse device delivers low power - the SL die variant reduces static current versus the standard RTAX2000S, easing thermal design in enclosed avionics bays. The 1152-pin package supplies the wide parallel buses needed between compression, formatting, and cipher stages. Designers migrating from the commercial Axcelerator family can reuse RTL and reuse the EDIF netlist conversion methodology documented for RTAX-S prototyping, shortening the qualification loop substantially compared with custom ASIC development.

🔧

Fault-Tolerant System Prototyping and Migration

Microchip's documented migration methodology supports prototyping RTAX-S designs on reprogrammable hardware before committing to one-time-programmable flight silicon. The RTAX2000SL-CG1152V design flow uses a footprint-compatible adaptor board and an EDIF netlist and pinout converter - commercially embodied in the Aldec/Microchip prototyping solution that maps RTAX-S designs onto flash-based ProASIC3E FPGAs. This lets teams verify timing, I/O assignments, and functional coverage on the RTAX2000SL-1LG1152PROTO engineering part or an A3PE3000-family ProASIC3E device, iterating rapidly at a fraction of flight-part cost. Once verified, the identical netlist is place-and-routed for the RTAX2000SL-CG1152V flight device, preserving the validated pinout. For programs prototyping against commercial equivalents, the A3PE3000 Axcelerator-derived family provides an architecture-compatible stepping stone. This application is essential because the antifuse fabric permits exactly one programming cycle - errors found after programming are unrecoverable, so disciplined prototyping is a schedule-critical program phase.

What is the gate count and logic capacity of RTAX2000SL-CG1152V?
The RTAX2000SL-CG1152V provides 2,000,000 equivalent system gates implemented with 32,256 logic cells and 21,504 configurable logic blocks (CLBs). According to the Microchip RTAX-S/SL radiation-tolerant FPGA datasheet, the RTAX-S/SL family scales up to four million equivalent system gates, placing the RTAX2000SL in the upper-mid density range suitable for satellite payload processing, on-board data handling, and bus avionics logic integration.
What is the difference between RTAX2000SL-CG1152V and RTAX2000S-1CG1152V?
The RTAX2000SL is the low-power 'SL' variant of the RTAX2000S die in the same RTAX-S family, offering reduced static power consumption; the -1 suffix denotes a faster speed grade while the base CG1152V part is standard grade. According to Microchip product pages, both share the same 2,000,000-gate capacity, 21,504 CLBs, and CG1152 ceramic package footprint, so they are mechanically and electrically interchangeable at the board level for most designs, with the SL trading some performance for lower power.
Is RTAX2000SL-CG1152V suitable for satellite and space applications?
Yes. The RTAX2000SL-CG1152V is explicitly designed for space-flight systems: Microchip positions the RTAX-S family as 'the FPGA of choice for space designers' due to radiation tolerance, low power, live-at-power-up operation, and single-chip form factor. The antifuse OTP fabric is inherently immune to configuration upsets, unlike SRAM FPGAs, and the ceramic CG1152 package supports the thermal and reliability environment of orbital missions including LEO, MEO, and geostationary platforms.
How does the RTAX2000SL compare to an SRAM-based FPGA for spaceflight?
The RTAX2000SL uses antifuse one-time-programmable fabric, so its configuration cannot be corrupted by single-event upsets, requires no external configuration flash, and is live at power-up. SRAM FPGAs must reload configuration and often need triple-module redundancy and scrubbing in orbit. The trade-off: RTAX2000SL cannot be reprogrammed after manufacture, so design errors require a new flight part, whereas SRAM devices allow in-orbit updates. For fixed, high-reliability mission logic, the antifuse approach reduces system-level complexity and SEU risk.
What is the best drop-in replacement for RTAX2000SL-CG1152V?
The closest drop-in replacements are same-family Microchip parts in the identical CG1152 ceramic package: RTAX2000SL-1CG1152V (speed-grade-1 SL die), RTAX2000SL-1LG1152V (speed-grade-1 SL die in leaded lidded CGA variant), and RTAX2000S-1CG1152V (standard-power S die). All share the 2,000,000-gate architecture and 1152-pin footprint. Always confirm lidding and lead-finish variants against your interface control drawing before substituting, since military/space drawings may specify exact package construction.
Where can I download the RTAX2000SL-CG1152V datasheet PDF?
The authoritative document is the 'RTAX-S/SL and RTAX-DSP Radiation-Tolerant FPGAs' datasheet, available from Microchip at ww1.microchip.com/downloads/aemdocuments/documents/fpga/ProductDocuments/DataSheets/rtaxs_ds2169_v18.pdf. It covers family features, density options, package ordering information including the CG1152 option, electrical characteristics, and radiation performance. XAIPART also links the datasheet directly on this product page so you can verify pinout and package details before design capture.
How much does RTAX2000SL-CG1152V cost and where can I buy it?
Space-grade RTAX2000SL-CG1152V is a low-volume, high-reliability device typically sold via quote rather than fixed web pricing; XAIPART lists it on a request-for-quote basis as of 2026-09-02. Authorized distributors listed on TrustedParts.com carry Microchip RTAX2000SL-CG1152V inventory and pricing from authorized channels. Contact XAIPART with your quantity and flow (flight vs engineering grade) for a quotation, since screening flow substantially affects unit price and lead time.
Is RTAX2000SL-CG1152V in stock and what is the lead time?
Stock status fluctuates because radiation-tolerant FPGAs are built against space-program demand rather than continuous production. Distributor aggregators such as TrustedParts.com and Findchips show authorized-distributor inventory positions for RTAX2000SL-CG1152V, and XAIPART sources via authorized channels as of 2026-09-02. Lead times for flight-grade parts are commonly quoted in months; request a current quote from XAIPART with your required flow and date code constraints for an accurate commitment.
How do I prototype a design before programming RTAX2000SL-CG1152V?
Because the RTAX2000SL is one-time programmable, prototype on a reprogrammable vehicle first. Microchip and Aldec jointly offer a prototyping adaptor that maps RTAX-S designs onto flash-based ProASIC3E FPGAs, and Microchip provides engineering-grade parts such as RTAX2000SL-1LG1152PROTO. The datasheet methodology uses a footprint-compatible adaptor board plus an EDIF netlist and pinout converter for easy migration. Validate timing, pinout, and functionality on the prototype before committing to the OTP flight device.
Is there a non-Microchip equivalent for RTAX2000SL-CG1152V?
No cross-brand pin-compatible equivalent exists for RTAX2000SL-CG1152V. Radiation-tolerant antifuse FPGAs are a niche market; Microchip (formerly Actel/Microsemi) is effectively the sole source for the RTAX-S/SL family, and cross-reference services list only functional-equivalent - not pin-to-pin - options. For single-source-mitigation strategies, program-sustainment options include lifetime-buys, DLA drawing-based procurement per Microchip's DLA Cross Reference Guide, or redesign to rad-hard SRAM alternatives with board-level changes.
RTAX2000SL vs RTAX4000SL - when should I choose each?
Choose RTAX2000SL-CG1152V (2,000,000 gates, 32,256 logic cells) when your payload logic fits within 2M gates and the 1152-pin ceramic package provides sufficient I/O. Choose the RTAX4000SL family (up to 4,000,000 gates, e.g. RTAX4000SL-CG1272B) when design growth, more I/O, or larger embedded-memory capacity is required. Both families share the same Axcelerator-based tool flow (Libero SoC) and radiation qualifications, so migrating between densities later is a netlist recompile rather than an architecture port.
What are the key specifications of RTAX2000SL-CG1152V that engineers should know?
Core facts: it is a radiation-tolerant FPGA in the RTAX-S/SL family with 2,000,000 equivalent system gates, 32,256 logic cells, and 21,504 CLBs on a digital CMOS antifuse OTP fabric. It operates live at power-up in a true single-chip configuration, includes embedded SRAM with FIFO control logic, segmentable clocks, and chip-wide highway routing, and is packaged in a 1152-pin ceramic column grid array (CG1152) intended for space-flight systems. These parameters derive from the Microchip RTAX-S/SL datasheet and official product page.
Is RTAX2000SL-CG1152V the same as RTAX2000SL-1CG1152V?
They are the same die and package but different speed grades. RTAX2000SL-CG1152V is the standard speed grade, while RTAX2000SL-1CG1152V carries the '-1' faster speed grade; both offer 2,000,000 gates, 21,504 CLBs, and the CG1152 ceramic column grid array. Designs closed at standard grade can often absorb the faster part, but a design timing-closed at '-1' may not meet timing at standard grade - verify timing with Libero SoC before substituting between speed grades.
Where can I find the pinout of the RTAX2000SL-CG1152V package?
The full 1152-pinout assignment is provided in the RTAX-S/SL and RTAX-DSP Radiation-Tolerant FPGAs datasheet package tables on Microchip's website. Because this device has 1152 pins, the complete pin list is too extensive to display inline on product pages; engineers should download the datasheet PDF and the corresponding Libero SoC I/O constraint file. Note that dedicated power, ground, and configuration pins are pre-assigned, while user-I/O banks and clock regions constrain placement during design implementation.
What compliance qualifications apply to RTAX2000SL-CG1152V?
Microchip space FPGAs in this product line are qualified under military specification frameworks - the company's DLA Cross Reference Guide states that parts with DLA drawing numbers are qualified per Mil-Prf-38535 on the Qualified Manufacturers List (QML) class Q and class V for mission-critical and flight applications. Whether the specific commercial-ordered RTAX2000SL-CG1152V carries a DLA drawing, QML flow, or specific screening (e.g., Class V flow) depends on the ordering option, so confirm the exact flow and certificates with your distributor at order time.

Engineering reference data for RTAX2000SL-CG1152V — comparison, design guidance, and compliance information.

Selection Guide

Choose the RTAX2000SL-CG1152V when your space design needs roughly 2,000,000 gates in a 1152-pin hermetic ceramic package, standard speed grade suffices, and low static power matters - typical for satellite payload processing and bus avionics. Select RTAX2000SL-1CG1152V or RTAX2000SL-1LG1152V (same SL die, '-1' speed grade) when timing closure at standard grade fails; the lidded LG variant follows program package-drawing requirements. Choose RTAX2000S-1CG1152V only if static power is not constrained and the standard-power die is in better supply. Use RTAX2000SL-1LG1152PROTO strictly for engineering validation before programming OTP flight parts. For designs exceeding 2M gates, step up to the RTAX4000SL family (e.g., RTAX4000SL-CG1272B); for smaller distributed nodes, RTAX250SL or RTAX1000SL variants reduce cost. No cross-brand pin-compatible alternative exists - Microchip is the single source for this antifuse rad-tolerant architecture.

Comparison with Alternatives

Parameter This Product RTAX2000SL-1CG1152V RTAX2000SL-1LG1152V RTAX2000S-1CG1152V RTAX2000SL-1LG1152PROTO
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package CG1152 (1152-pin ceramic column grid array) CG1152 - same LG1152 lidded CGA variant CG1152 - same LG1152 lidded CGA variant
Equivalent System Gates 2000000 2000000 2000000 2000000 2000000
Logic Cells / CLBs 32256 / 21504 32256 / 21504 32256 / 21504 32256 / 21504 32256 / 21504
Speed Grade Standard -1 (faster) -1 (faster) -1 (faster) -1 (faster)
Power Variant SL (low power) SL (low power) SL (low power) S (standard power) SL (low power)
Intended Use Flight (space-qualified) Flight (space-qualified) Flight (space-qualified) Flight (space-qualified) Engineering prototype only
Configuration 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
Pricing [DATA_NEEDED] - quote basis [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]

Key Differentiators

  • Low-power SL die in the full 2M-gate density (vs RTAX2000S-1CG1152V)
  • Lower unit cost than the speed-grade-1 variant (vs RTAX2000SL-1CG1152V)
  • Flight-grade qualification versus prototype part (vs RTAX2000SL-1LG1152PROTO)

Design Notes

The RTAX2000SL-CG1152V uses antifuse one-time-programmable technology: a failed programming cycle permanently destroys the device. Never program flight units with an unverified bitstream. Follow the datasheet migration methodology - footprint-compatible adaptor board plus EDIF netlist and pinout converter - and validate on the RTAX2000SL-1LG1152PROTO engineering part or the Aldec flash-based ProASIC3E prototyping adaptor first. Budget at least one flight spare per programming session, since programmer handling and lot acceptance introduce scrap risk even with verified netlists.

Choose the SL (low-power) die deliberately: the SL variant of the 2,000,000-gate fabric reduces static power versus the RTAX2000S standard-power die, which matters in thermally enclosed avionics bays where radiative cooling is the only path. Estimated: at multi-hundred-mW static levels typical of this density class, an S-to-SL die swap can meaningfully reduce radiator area on small satellites. Confirm exact static current figures in the manufacturer datasheet electrical tables for your voltage and temperature corner before finalizing power budgets - do not rely on family-typical values.

The 1152-pin ceramic column grid array requires a controlled-expansion substrate; on conventional FR-4, ceramic-to-organic CTE mismatch through thermal cycling drives solder-column fatigue. Use thick copper thermal planes under the package and consider redundant column attach per program reliability requirements. During capture, respect the datasheet pre-assigned power/ground/configuration pins and bank constraints for user I/O, and verify your pinout against the Libero SoC I/O report - hand-edited constraint files are a leading cause of unusable OTP flight devices.

Exploit chip-wide highway routing for the master clock distribution instead of general fabric routing; the segmentable clock structure of the RTAX-S/SL architecture gives controlled skew across the 32,256-logic-cell array, which is essential for source-synchronous detector and telemetry interfaces operating at high data rates. Keep the fastest I/O in banks closest to the clock conditioning resources and simulate the ceramic package flight lidded variant in IBIS if your receiver timing budgets are tight.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Microchip space FPGA product lines on DLA drawings are qualified per Mil-Prf-38535 and listed on the QML class Q and class V lists per the Microchip DLA Cross Reference Guide; qualification status of this specific commercial-orderable MPN must be confirmed with the manufacturer at order time.

Data verified on: 2026-09-02 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Microchip Technology Actel Microsemi RTAX2000SL-CG1152V RTAX2000SL-1CG1152V RTAX2000SL-1LG1152V RTAX2000S-1CG1152V RTAX4000SL-CG1272B RTAX-S/SL radiation-tolerant FPGA antifuse OTP field-programmable gate array CG1152 ceramic column grid array CLB (configurable logic block) equivalent system gates logic cells Mil-Prf-38535 QML Class V Axcelerator Libero SoC single-event upset total ionizing dose space-flight systems satellite payload data processing live-at-power-up
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