FPGA und CPLD
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A54SX32A-FGG144I - 32K-Gate Antifuse FPGA 144-FBGA | Microsemi
The Microsemi (now Microchip Technology) A54SX32A-FGG144I is a 32,000-gate antifuse FPGA from the SX-A family, built on a 0.25 um CMOS process, delivering up to 238 MHz system performance with 1,800 programmable cells and 111 user I/O in a 144-pin fine-pitch FBGA (FPBGA) package measuring 13x13 mm. It operates from a nominal 2.5 V supply with an industrial temperature range of -40C to +85C. An antifuse FPGA is a one-time-programmable field programmable gate array in which programmable interconnects are permanent, non-volatile connections formed during programming. Within the programmable logic hierarchy, it sits under FPGA -> field-programmable logic -> programmable semiconductor device. Unlike SRAM FPGAs, antifuse devices retain configuration through power cycles with no external configuration memory, resist radiation-induced configuration upset, and present no bitstream to intercept, making them a natural fit for secure, low-power, high-reliability designs. Key features include the 32K gate SX-A fabric (48,000 system gates per Microchip USA product data), 238 MHz toggle capability, and a sea-of-modules architecture with fast carry logic for arithmetic-intensive functions. The one-time-programmable antifuse technology eliminates configuration PROMs, reducing bill-of-materials cost and board area. The 144-FPBGA ball-grid package provides high I/O density in a compact 13x13 mm footprint suitable for space-constrained industrial and aerospace boards. Technically, the SX-A family combines a 0.25 um process with a proprietary antifuse interconnect that adds minimal parasitic capacitance, which is why these devices achieve hundreds-of-megahertz internal performance at very low static power. Design entry and synthesis are handled by the Microsemi/Microchip Libero SoC design suite, and programming is performed after assembly using standard antifuse programmers. Typical applications include industrial control, communications line cards, military and avionics glue logic, secure single-chip integration of discrete logic (ASIC prototyping and bridging), and test equipment, where non-volatile instant-on operation and configuration security matter. When designing with this device, remember that antifuse FPGAs are OTP: fix the pin assignment and design freeze before committing programming time, and verify power-supply sequencing for the 2.5 V core. This page synthesizes verified distributor data, drop-in alternatives, and design guidance not found in the manufacturer datasheet alone.
A54SX72A-1CQ208M - 108K Gate Antifuse FPGA, 208-CQFP | Microchip
The Microchip Technology (formerly Actel/Microsemi) A54SX72A-1CQ208M is a 108,000-system-gate antifuse FPGA from the SX-A family with 6,036 logic modules, 171 user I/O, 250 MHz system performance, and a military-grade 208-pin Ceramic Quad Flat Package (CQFP) rated from -55C to +125C case temperature. An antifuse FPGA is a type of field-programmable gate array whose interconnects are permanently configured at programming time through antifuse links. Unlike SRAM-based FPGAs, antifuse devices are one-time programmable (OTP): the configuration is non-volatile, immune to configuration readback, and requires no external boot memory, which places this device in the programmable logic and application-specific IC hierarchy for high-reliability and secure designs. Key features include 108K available system gates, up to 250 MHz system and 350 MHz internal clock performance, 171 user I/O configurable across 2.25V to 5.25V voltage standards, and bidirectional clock buffers on the A54SX72A (CLKA, CLKB, and QCLK circuits) that are unique to this density within the SX-A family. The SX-A architecture is built on a 0.25um/0.22um CMOS process with a sea-of-modules fabric. The -1 speed grade provides military temperature operation; the ceramic CQFP with tie bar delivers hermetic sealing and leads rated for socket mounting or solder attachment in harsh environments. The OTP antifuse fabric eliminates configuration bitstream exposure, supporting design security requirements in defense programs. Typical applications include defense and avionics glue logic, bus interface bridging, radiation-tolerant system companions, and military-grade control logic where power-up-instant operation and configuration security matter. When designing with this device, verify I/O bank voltage assignments early, since OTP programming means errors cannot be reworked - use Microchip Libero/Designer simulation fully before programming. This page synthesizes distributor availability data, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
A54SX72A-1PQG208 - 108K Gate Antifuse FPGA | Microchip
The Microchip Technology A54SX72A-1PQG208 (originally Actel/Microsemi) is a 108,000-system-gate antifuse FPGA with 6036 configurable logic blocks, 171 user I/O, and a 0.25 um CMOS process, housed in a 208-pin BFQFP (PQFP-208) surface-mount package. This is a one-time-programmable (OTP) device from the SX-A family, speed grade -1, with commercial temperature rating. An antifuse FPGA is a field-programmable gate array whose interconnects are permanently programmed by blowing internal antifuse links. Unlike SRAM FPGAs, the configuration is non-volatile, needs no external boot flash, and is inherently resistant to configuration readback and radiation-induced upsets - which is why antifuse FPGA families like SX-A sit within the broader hierarchy of programmable logic: FPGA -> programmable logic device (PLD) -> digital logic IC -> semiconductor. Key features include 72,000 typical usable gates, up to 250 MHz system performance from the fine-grained multiplexer-based logic structure, quadrant clock networks (CLKA-CLKD) for advanced clock distribution, and I/O levels compatible with TTL, LVTTL, LVCMOS2, 3.3V PCI, and 5V PCI specifications. Because programming is permanent, designs gain security and reliability benefits at the cost of field upgradability. Architecturally, the SX-A uses a fine-grained sea-of-modules fabric (Actel-style C-cells and R-cells) rather than large LUT-based CLBs, yielding high logic utilization and deterministic timing suited to glue logic consolidation, bus bridging, and state machines. The 0.25 um process with a 2.5V core keeps static power low. Typical applications include industrial automation controllers, military/aerospace subsystems requiring non-volatile configuration, telecommunications line cards, and single-chip integration of multiple discrete logic functions to cut system cost. Design consideration: because the device is OTP, thoroughly verify the design in simulation (Libero IDE / Designer software) before programming - there is no field rework path. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-03.
A54SX72A-PQG208 - 108K Gate SX-A Antifuse FPGA | Microchip
The Microchip Technology A54SX72A-PQG208 is an SX-A family antifuse FPGA providing up to 108,000 system gates, 171 user-programmable I/O in the 208-pin BFQFP (PQG208) package, and up to 2,012 dedicated flip-flops, fabricated on a 0.25 um CMOS process. An antifuse FPGA is a one-time-programmable (OTP) field-programmable gate array in which programmable interconnect points are formed by antifuse links that permanently connect or isolate routing resources. Within the programmable logic hierarchy, it sits as a device-level component under the FPGA category, itself a branch of programmable logic devices (PLDs) within semiconductors. Because the configuration is hard-wired rather than stored in SRAM, antifuse FPGAs power up instantly with no external configuration ROM, exhibit very low static power, and resist design extraction, making them structurally more secure than SRAM-based alternatives. Key features include a 217 MHz internal toggle-rate class performance, TTL, LVTTL, LVCMOS2, 3.3V PCI, and 5V PCI compatible input levels, dedicated quadrant clock inputs (CLKA through CLKD) for the A54SX72A die, and single-chip integration that replaces multiple glue-logic devices. The SX-A architecture combines a sea-of-modules logic fabric with a segmented routing structure, delivering deterministic, low-jitter timing compared with larger SRAM FPGAs. Technical depth: the 0.25 um CMOS process and antifuse interconnect give the device low net capacitance and low static current, while the flip-flop-rich cluster modules support pipelined datapaths at clock rates approaching 217 MHz. Speed grades and temperature variants (standard, I for industrial, M for military, A for automotive) share the same die and footprint. Typical applications include industrial control and glueless bus bridging, aerospace and defense secure logic, and telecom line-card control, where instant-on operation, low power, and configuration tamper resistance matter. Design consideration: because the device is one-time programmable, verify the design thoroughly in simulation and use the Libero design flow before programming; plan I/O assignments against the 171 available pins early, since antifuse routing is not re-targetable after programming. This page adds distributor pricing, drop-in family alternatives, and engineering design notes not consolidated in the manufacturer datasheet.
RTAX1000S-1CGS624V - 1M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology (Actel/Microsemi) RTAX1000S-1CGS624V is a radiation-tolerant, antifuse-based FPGA with 1,000,000 equivalent system gates, 12096 CLBs, and 18144 dedicated logic cells, housed in a 624-ball ceramic column grid array (CGS624) package qualified for space-flight systems. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the total ionizing dose (TID), single-event latchup (SEL), and single-event upset (SEU) environments encountered in orbital and deep-space missions. Within the power-management hierarchy of spacecraft avionics, the FPGA sits between the radiation-hardened processor and the payload interfaces, implementing glue logic, bus interfaces, telemetry encoding, and payload data-path functions. The RTAX-S family is the flight-proven backbone of this category, descended from the commercial Axcelerator architecture. Key differentiating features include the non-volatile antifuse programming technology, which delivers true live-at-power-up operation with no configuration device required, single-chip form factor that eliminates external boot flash (a common failure point in space systems), embedded SRAM blocks with built-in FIFO control logic, segmentable clock circuitry, and chip-wide highway routing resources for predictable high-fanout timing. Architecturally, the RTAX1000S is built on a CMOS process with a 1.5V nominal core supply. The logic fabric comprises registered logic cells organized into Cluster Logic Blocks (CLBs), supported by embedded SRAM modules and clock-management resources. Radiation tolerance is achieved through a combination of design hardening and the inherently SEU-immune antifuse routing, which cannot be reprogrammed by ionizing particle strikes. Typical applications include satellite command and data handling, payload processing and telemetry formatting, spacecraft bus interface bridging (MIL-STD-1553, SpaceWire front-ends), launch-vehicle avionics, and instrumentation for scientific probes where live-at-power-up operation is a mission requirement. Designers should note that RTAX-S devices are one-time programmable: logic must be fully verified via the Microchip (Microsemi) Libero IDE flow and, ideally, prototyped on a reprogrammable ProASIC3E-based Aldec adaptor before committing flight hardware. This page synthesizes distributor pricing signals, drop-in alternatives within the RTAX-S/SL family, and practical design notes not found in the manufacturer datasheet.
RTAX1000S-LG624V - 1M-Gate Rad-Tolerant FPGA | Microchip
The Microchip (Microsemi/Actel) RTAX1000S-LG624V is a radiation-tolerant, antifuse-based FPGA delivering 1,000,000 equivalent system gates with 18,144 logic cells and 12,096 CLBs, housed in a 624-pin ceramic column grid array (CG624/LG624) package qualified for space-flight systems. A radiation-tolerant FPGA is a programmable logic device engineered to survive the total ionizing dose (TID), single-event latchup (SEL), and single-event upset (SEU) environments encountered in low-Earth-orbit and deep-space missions. Within the programmable logic hierarchy (FPGA -> programmable logic IC -> semiconductor), the RTAX-S/SL family sits in the space-grade segment, complementing commercial families such as Axcelerator and ProASIC3 from which it is derived. The RTAX1000S-LG624V belongs to the RTAX-S/SL and RTAX-DSP radiation-tolerant FPGA family, which extends to densities of up to four million equivalent system gates. Key features include true single-chip operation enabled by antifuse programmability (no external configuration PROM required), live-at-power-up (LAPU) behavior that makes the device functional immediately when power is applied, and low-power CMOS technology operating from a 1.5V nominal core supply. Embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, and chip-wide highway routing provide system-level integration capability. Technically, the RTAX1000S is based on the commercial Axcelerator architecture and uses an antifuse interconnect that is programmed once, making the configuration inherently immune to configuration upsets caused by radiation - a decisive advantage over SRAM-based FPGAs in orbit. This one-time programmability eliminates the need for configuration scrubbing at the device level. Typical applications include satellite payload processing, spacecraft avionics and telemetry interfaces, space-flight bus controllers, and radiation-exposed instrumentation where reprogrammability is traded for SEU-hard configuration and single-chip reliability. Design considerations: because the device is one-time programmable, thorough simulation and prototyping (for example with Aldec RTAX-S/SL adaptor boards using ProASIC3E devices) is essential before committing flight hardware. Core supply is 1.5V nominal per the PROTO datasheet entry. This page synthesizes verified distributor data, same-family drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet.
RTAX1000SL-1CGS624B - Rad-Tolerant FPGA 1M Gates | Microchip
The Microchip Technology (formerly Actel/Microsemi) RTAX1000SL-1CGS624B is a radiation-tolerant FPGA offering 1,000,000 equivalent system gates with 12,096 Configurable Logic Blocks (CLBs) and an additional 125,000 ASIC gates, housed in a 624-ball ceramic column grid array (CGS624) package. A radiation-tolerant FPGA (Field-Programmable Gate Array) is a programmable logic device engineered to survive the total ionizing dose (TID) and single-event effects present in space-flight radiation environments. Within the semiconductor hierarchy, it sits under programmable logic > FPGA > radiation-tolerant FPGA, and the RTAX-S/SL family is qualified for mission-critical defense and space programs, including DLA Standard Microcircuit Drawing qualification (5962-0422006QUA) per MIL-PRF-38535 Class V. Key features include live-at-power-up operation thanks to the anti-fuse (flash-free) fabric, a true single-chip form factor that removes the need for external configuration devices, and low static power consumption - all decisive advantages over SRAM-based FPGAs in orbit. The device is built on a digital CMOS process derived from the commercial Axcelerator architecture. Technically, the RTAX-S/SL fabric provides embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, and chip-wide highway routing, enabling high-performance signal processing at densities up to 4 million system gates across the broader family. The SL variant adds enhanced radiation hardness for longer-duration missions. Typical applications include satellite payload processing, spacecraft command and data handling (C&DH), telemetry encoding/decoding, and space-borne instrumentation where reconfiguration after launch is not required but survival across a 10+ year mission is. Design consideration: the anti-fuse technology is one-time programmable - thorough pre-flight verification with Microchip (Microsemi) Libero design tooling is essential, and space-grade availability is constrained, so early procurement planning is advised. This page synthesizes distributor stock data, DLA cross-references, and drop-in alternatives not found on the manufacturer product page alone.
RTAX1000SL-1CGS624E - 1M-Gate Rad-Tolerant FPGA CCGA-624 | Microchip
The Microchip Technology RTAX1000SL-1CGS624E is a radiation-tolerant, antifuse field-programmable gate array (FPGA) delivering 1,000,000 equivalent system gates with 12,096 configurable logic blocks (CLBs) plus 125,000 ASIC gates, housed in a 624-pin ceramic column grid array (CGA/CCGA-624) package rated from -55C to +125C. A radiation-tolerant FPGA is a programmable logic device engineered to survive the particle-rich environment of space flight, where ionizing radiation causes single-event upsets (SEUs) and total ionizing dose (TID) degradation. Within the programmable logic hierarchy, the RTAX-SL family sits at the space-flight tier above commercial FPGAs, derived from the commercial Axcelerator family and qualified on a 0.15 um CMOS process. Key features include SEU-hardened flip-flops that eliminate the need for Triple Module Redundancy (TMR) in many designs, immunity to single-event upsets to a specified LET threshold with a soft-error rate below 10-10 errors per bit-day, embedded SRAM blocks with built-in FIFO control logic, segmentable clock circuitry, and true single-chip, live-at-power-up operation enabled by non-volatile antifuse interconnect. Architecturally, the RTAX1000SL is based on the Microsemi (Actel) Axcelerator fabric, combining sea-of-modules logic clusters, embedded FIFO/ECC-controlled SRAM, and a hierarchical routing structure that supports system performance up to 581 MHz. The antifuse fabric is programmed once and cannot be reprogrammed, which provides inherent protection against configuration upsets and readback attacks - a decisive advantage over SRAM-based FPGAs in orbit. Typical applications include satellite payload data processing, spacecraft on-board computers, telemetry and telecommand interfaces, and instrument control on deep-space and Earth-observation missions where the -55C to +125C ceramic package and radiation tolerance are mission-critical. Design consideration: antifuse devices are one-time programmable, so radiation testing, SEU strategy validation, and full timing closure must be completed before flight lot submission; Microchip provides Libero SoC tools and an adapter-board prototyping flow with EDIF netlist conversion for RTAX-S/SL designs. This page synthesizes verified distributor data, family drop-in variants, and space-design engineering notes not found together on the manufacturer datasheet.
RTAX1000SL-1CGS624V - 1M-Gate Rad-Tolerant FPGA | Microchip
The Actel (Microsemi/Microchip Technology) RTAX1000SL-1CGS624V is a 1,000,000-system-gate radiation-tolerant antifuse FPGA with 12,096 logic cells, fabricated in digital CMOS process and housed in a 624-pin ceramic CGA (CCGA - Ceramic Column Grid Array) package rated for -55C to +125C operation. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space: it withstands total ionizing dose (TID), single-event latchup (SEL), and single-event upsets (SEU). The RTAX-S/SL family sits within the hierarchy of programmable logic ICs (FPGA > radiation-tolerant FPGA > space-grade programmable logic) and is widely adopted for spaceflight payloads, satellite avionics, and launch-vehicle electronics. Key features include SEU-hardened flip-flops that eliminate the need for Triple Module Redundancy (TMR) in many designs, SEU immunity to specified LET thresholds with SEU rates below 10-10 errors per bit-day, true single-chip operation, and live-at-power-up behavior enabled by the non-volatile antifuse programming technology. Unlike SRAM FPGAs, the antifuse configuration cannot be disturbed by radiation-induced configuration upsets, removing the need for external configuration PROMs. The SL variant is the low-power derivative of the RTAX-S family, reducing static power consumption - a critical advantage for battery- and solar-powered spacecraft. System-level features include embedded SRAM with built-in FIFO control logic, segmentable clock resources, chip-wide highway routing, and dedicated carry logic for arithmetic datapaths. The device is programmed once at the factory or programming house via the antifuse layer, providing very high design security. Typical applications include satellite payload data processing, spacecraft telemetry and command interfaces, sensor signal processing in orbital platforms, and fault-tolerant control logic in deep-space probes. Design consideration: as an antifuse (one-time programmable) device, design freezes must be complete before programming - no post-deployment reconfiguration is possible, so flight-design verification with prototype devices is essential. This page synthesizes verified distributor data, drop-in family alternatives, and practical space-design guidance not found on standard distributor listings.
RTAX1000SL-CGS624E - 1M-Gate Rad-Tolerant FPGA CCGA-624 | Microchip
The Microchip Technology RTAX1000SL-CGS624E is a radiation-tolerant FPGA delivering 1,000,000 equivalent system gates plus 125,000 ASIC gates, 12,096 Configurable Logic Blocks (CLBs), and up to 581 MHz system performance in a 624-ball ceramic column grid array (CGS624/CCGA) package. It is fabricated on a 0.15 um CMOS process and operates from a 1.5V core supply. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the harsh radiation environment of space: it combines an anti-fuse-based, non-volatile fabric (live-at-power-up, no configuration flash to upset) with a single-chip form factor that avoids the cost, mass, and power of external configuration devices. In the space-electronics hierarchy, it sits alongside radiation-hardened ASICs but offers lower NRE cost and faster time to orbit. Key features include the Axcelerator-derived fabric with embedded SRAM featuring built-in FIFO control logic, segmentable clocks with chip-wide highway routing, and dedicated carry logic for arithmetic. These map directly to the needs of flight payloads that require high gate density, deterministic timing, and single-chip reliability. Technically, the RTAX-S/SL family is based on Microsemi (now Microchip) commercial Axcelerator devices, letting designers prototype on commercial equivalents using footprint-compatible adaptor boards and an EDIF netlist and pinout converter before committing to flight silicon. This mitigation flow is described in Microchip application note Prototyping for RTAX-S and RTAX-SL Devices, which materially reduces program risk. Typical applications include satellite payload processing, spacecraft command and data handling, remote sensing and imaging pipelines, and telemetry/tracking/control electronics, where 1M gates of immediate-on-boot logic fits data formatting and bus interface roles. A key design consideration is that the 624-ball ceramic column package requires strict board-level mounting practice; ceramic column BGA rework is specialized, so pinout lock-down early in the flight design cycle is essential. This page synthesizes drop-in alternatives within the same CGS624 footprint, datasheet-linked design notes, and application guidance not consolidated on the manufacturer datasheet alone.
RTAX1000SL-CGS624V - 1M-Gate Rad-Tolerant FPGA | Microchip
The Microchip (Actel/Microsemi) RTAX1000SL-CGS624V is a 1,000,000-gate radiation-tolerant antifuse FPGA with 12,096 CLBs and 18,144 logic cells, housed in a 624-column ceramic column grid array (CGS624) package for space-flight applications. A radiation-tolerant FPGA is a field-programmable gate array qualified to survive the ionizing-radiation environment of orbital and deep-space missions. Within the power-management hierarchy of onboard avionics, it sits at the top: semiconductor -> programmable logic device (PLD) -> FPGA -> radiation-tolerant FPGA. Unlike SRAM FPGAs, the RTAX-S/SL family uses antifuse programmable interconnect, so the configuration is permanent and the device is live-at-power-up with no external configuration flash, an important reliability benefit for single-string spacecraft architectures. Key features include a 1,000,000 equivalent system gate density, embedded SRAM blocks with built-in FIFO control logic, segmentable clocks, chip-wide highway routing, and carry logic for arithmetic-intensive datapaths. Based on the commercial Axcelerator architecture, the SL variant adds radiation-hardening refinements targeting total ionizing dose (TID) and single-event effect (SEE) resilience in orbit. The architecture combines logic modules with dedicated embedded memory, enabling high-throughput payload processing while keeping power consumption low, a dominant constraint in solar- and battery-powered spacecraft. Multiple clock domains supported by segmentable clock resources allow graceful management of timing across instrument, bus, and telemetry interfaces. Typical applications include satellite on-board data handling, payload data processing, spacecraft telemetry and command interfaces, and radiation-environment instrument control, where the antifuse one-time-programmable fabric resists configuration upsets. Design consideration: because the antifuse fabric is one-time programmable, prototypes should be implemented on footprint-compatible companion devices using the manufacturer's adaptor-board methodology before committing to flight silicon. This page synthesizes distributor availability, family cross-references, and practical design notes not found in the manufacturer datasheet.
RTAX1000SL-CQ352PROTO - 1M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology RTAX1000SL-CQ352PROTO is a radiation-tolerant, antifuse-based field programmable gate array (FPGA) delivering 1,000,000 equivalent system gates, 12,096 CLBs and 18,144 logic cells, powered from a nominal 1.5V supply, and housed in a 352-terminal ceramic metal-sealed cofired CQFP (CQ352) package in a PROTO engineering-build variant. A radiation-tolerant FPGA is a programmable logic device qualified for space-flight environments, where high-energy particles cause single-event effects (SEE) and total ionizing dose (TID) degradation. The RTAX-S/SL family sits within the broader hierarchy of programmable logic: FPGA -> radiation-tolerant FPGA -> space-grade semiconductor -> integrated circuit. Its antifuse architecture is one-time programmable and live-at-power-up, eliminating the configuration PROM required by SRAM FPGAs and removing a common single point of failure in spacecraft. Key features include 1M system gates with 18,144 logic cells, embedded SRAM blocks with built-in FIFO control logic, segmentable clock circuitry, chip-wide highway routing, and carry-chain arithmetic support inherited from the commercial Axcelerator family. The PROTO suffix denotes an engineering/prototyping build intended for board bring-up and flight-software development ahead of flight-unit procurement. The device operates from 1.425V to 1.575V (1.5V nominal) over a -55C to +125C temperature range, in CMOS 0.15um process technology. Typical applications include satellite payload data processing, spacecraft bus control, telemetry/telecommand interfaces, and radiation-tolerant signal processing where low power and single-chip operation are critical. Design consideration: because the antifuse fabric is one-time programmable, full simulation and timing verification in Libero SoC is essential before programming; the PROTO build enables prototyping on the same CQ352 footprint prior to flight units. This page synthesizes distributor data, drop-in alternatives, and design guidance not found in the manufacturer datasheet.
RTAX1000SL-CQ352V - 1M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology (Actel/Microsemi) RTAX1000SL-CQ352V is a radiation-tolerant antifuse FPGA delivering 1,000,000 equivalent system gates, 12,096 CLBs, and 18,144 logic cells, built on a 0.15 um CMOS process with a 1.5V core and a maximum toggle rate of 581 MHz, housed in a 352-pin ceramic CQFP (CQ352V) package for space-flight applications. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environments of low-Earth-orbit and deep-space missions, where commercial FPGAs would suffer single-event effects and total ionizing dose degradation. Within the power-management-of-systems hierarchy, the RTAX-S/SL family sits in the space-grade programmable logic tier above commercial FPGA families, alongside QML Class V qualified devices. The RTAX-SL family descends from the commercial Axcelerator architecture, inheriting its performance while adding radiation-hardening-by-design and processing. Key features include true single-chip form factor thanks to non-volatile antifuse programming, live-at-power-up operation that eliminates configuration boot time, and low static power consumption - all cited by Microchip as reasons RTAX-S is the FPGA of choice for space designers. The 581 MHz toggle capability and embedded SRAM blocks with built-in FIFO control logic support demanding onboard processing workloads. Technically, the antifuse fabric is one-time programmable: configuration is permanent, immune to configuration upsets (no SEU in configuration memory), which dramatically reduces TID/SEU mitigation overhead compared with SRAM FPGAs. Segmentable clock resources and chip-wide I/O features support high-reliability system integration. Typical applications include spacecraft onboard data handling, satellite payload processing and bus avionics, where live-at-power-up behavior and single-chip integration reduce parts count and board complexity. Design consideration: because the antifuse is one-time programmable, prototype extensively using the footprint-compatible prototyping methodology described in the Microchip datasheet before programming flight units. This page synthesizes distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
RTAX1000SL-LG624E - 1M-Gate Rad-Tolerant FPGA 624-LGA | Microchip
The Microchip Technology (Actel/Microsemi) RTAX1000SL-LG624E is a radiation-tolerant FPGA from the RTAX-SL family delivering 1,000,000 equivalent system gates with 12,096 logic cells (CLBs) in a 624-pin LGA (CBGA624) ceramic package. It operates on 0.15 um CMOS technology at a 1.5V core supply and achieves a maximum clock frequency of 581 MHz. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space: it maintains configuration through single-event upsets (SEU) and total ionizing dose (TID) exposure that would corrupt commercial devices. Within the power-management-of-space-systems hierarchy, the RTAX-SL family sits between commercial/industrial FPGAs and full radiation-hardened (RH) parts, offering space-flight-grade reliability at lower cost and higher density. The family descends from the Actel AX architecture and uses antifuse programmability, which makes the device live-at-power-up with no external configuration flash required. Key features of the RTAX1000SL-LG624E include 12,096 logic cells, 125,000 ASIC-equivalent gates for higher-utilization designs, a maximum combinatorial delay of just 0.93 ns per CLB module, and a true single-chip form factor that eliminates external configuration devices. Low power consumption and live-at-power-up operation are hallmarks of the family, as stated on the Microchip product page. Architecturally, the device is built on 0.15 um CMOS process technology with a 1.5V core. The Sea-of-Modules fabric combines combinational and sequential modules, enabling fast 581 MHz operation with deterministic timing. Antifuse interconnect contributes inherently low power and high SEU immunity compared with SRAM-based FPGAs. Typical applications include satellite payload processing, spacecraft on-board data handling, telemetry and command (TMTC) electronics, and downlink/uplink communication baseband processing, where radiation tolerance and single-chip reliability are mission-critical. Design consideration: the LG624 ceramic LGA package demands rigorous PCB land-pattern and thermal design; ceramic column/ball packages for space typically require certified assembly houses and compliance with the manufacturer's qualification flow. This page synthesizes verified distributor data, family drop-in alternatives, and practical design guidance not found in any single source.
RTAX2000D-1CQ352B - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology (Actel/Microsemi) RTAX2000D-1CQ352B is a radiation-tolerant, antifuse-based FPGA delivering 2,000,000 equivalent system gates organized as 19,712 configurable logic blocks (CLBs) in a 352-pin ceramic column grid array (CQ352) package, designed for space-flight systems. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of orbital and deep-space missions. Within the power management of spacecraft avionics hierarchies, the RTAX-DSP family sits in the on-board data handling and payload processing tier, complemented by rad-hard supervisors and point-of-load converters. Unlike SRAM FPGAs, the antifuse technology is nonvolatile and live-at-power-up, requiring no external configuration device that could be a single-point radiation failure. Key features include highly reliable nonvolatile antifuse interconnect, up to 540 kbits of embedded SRAM with optional EDAC protection, and up to 120 DSP mathblocks supporting 18-bit x 18-bit multiply-accumulate at 125 MHz. Total ionizing dose tolerance is rated at 300 krad (Si) functional and 200 krad (Si) with device operation guaranteed, per the digichip-published RTAX2000D datasheet summary. Architecturally, the RTAX2000D is based on the commercial ProASIC/axcelerator-derived CMOS fabric and inherits system-level features from the RTAX-S/SL platform: embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, chip-wide highway routing, and dedicated carry logic for arithmetic chains. The -1 speed grade and C commercial temperature range target standard-launch missions, while the B screening suffix denotes the specified lot qualification flow. Typical applications include satellite on-board data processing, payload telemetry and telecommand interfaces, sensor front-end preprocessing, reconfigurable computing in space-flight avionics, and radiation environment instrumentation. A key design consideration: the CCGA (ceramic column grid array) package demands careful PCB land-pattern design and column-attachment inspection flow, as only QA electrical and mechanical visual inspection is performed after solder column attachment per Microsemi assembly notes. This page synthesizes verified distributor data, same-package drop-in alternatives within the RTAX family, pricing tiers, and practical space-flight design notes not found in the manufacturer datasheet alone.
RTAX2000D-1CQ352V - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology (Actel/Microsemi) RTAX2000D-1CQ352V is a radiation-tolerant, antifuse-based FPGA delivering approximately 2 million equivalent gates with 29,568 logic cells organized as 19,712 CLBs, operating from a 1.425V to 1.575V core supply (nominal 1.5V) in a 352-pin ceramic CQFP (CQ352) package. A radiation-tolerant FPGA is a field-programmable gate array qualified for spaceflight environments, where total ionizing dose (TID) and latch-up immunity determine survivability. Within the power-management hierarchy of a spacecraft avionics system, this FPGA sits between the onboard computer and mission-specific interface electronics, implementing glue logic, bus controllers, and signal processing. The RTAX-D family belongs to the broader RTAX-S/SL and RTAX-DSP radiation-tolerant FPGA portfolio from Microchip (formerly Actel and Microsemi). Key features include highly reliable nonvolatile antifuse technology that is live at power-up with no configuration device required, up to 120 DSP mathblocks supporting 18-bit x 18-bit multiply-accumulate operations at 125 MHz, and up to 540 kbits of embedded SRAM memory with optional EDAC protection. The D suffix denotes enhanced screening: RTAX-D and RTAX-DL devices share the same silicon as RTAX-S/SL but are distinguished by tighter ICCA current limits at 125 degrees C final electrical test (Condition A applies to RTAX2000D/DL). Architecturally, the device uses a 0.15-micron CMOS process with antifuse interconnect, which is inherently immune to configuration upsets because programming is permanent. Total dose tolerance is 300 krad (Si) functional and 200 krad (Si) per the family datasheet, supporting LEO, MEO, and GEO missions. Typical applications include satellite payload data processing, spacecraft bus controllers, telemetry and telecommand interfaces, and rad-hard signal processing chains needing on-chip DSP mathblocks. Design consideration: because antifuse programming is one-time, prototype using footprint-compatible adaptor boards (such as the Aldec ACT-H3Ki-CQ352) and migrate via the EDIF netlist and pinout conversion flow described in the manufacturer datasheet. This page synthesizes distributor availability, screening-variant cross-references, and design guidance not consolidated in the manufacturer datasheet.
RTAX2000D-CQ352E - 2M-Gate Rad-Tolerant FPGA CQFP-352 | Microchip
The Microchip Technology (Actel/Microsemi) RTAX2000D-CQ352E is a radiation-tolerant antifuse FPGA offering 2,000,000 equivalent system gates, 29,568 logic cells, and a maximum clock frequency of 649 MHz in a 352-terminal ceramic CQFP (CQ352) package. It provides 166 dedicated inputs and 166 outputs and is screened to MIL-STD-883 Class requirements for space-flight environments. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the total ionizing dose (TID), single-event effects, and thermal extremes encountered in low-Earth-orbit and deep-space missions. The RTAX2000D-CQ352E sits within the broader hierarchy of programmable logic devices: FPGA -> radiation-tolerant FPGA -> space-flight electronics. Unlike flash- or SRAM-based space FPGAs, the RTAX family uses antifuse programmability, meaning the configuration is permanently fixed at programming time and cannot be upset by a single-event upset (SEU) in the interconnect. Key features include 2,000,000 system gates implemented on CMOS antifuse silicon derived from the commercial Axcelerator family, embedded SRAM blocks with built-in FIFO control logic, segmentable clock resources, chip-wide highway routing, and dedicated carry logic for arithmetic datapaths. The D-suffix die is distinguished from the DL variant by screening of ICCA current limits at 125 C final electrical test, giving mission planners a screened current option for power-budget-sensitive payloads. Architecturally, the device inherits the Axcelerator cluster structure, combining logic modules, embedded SRAM/FIFO blocks, and a hierarchical routing fabric that sustains timing closure at clock rates up to 649 MHz. Because configuration is stored in antifuse elements, no configuration PROM is required on orbit, eliminating a common SEU failure point in SRAM-FPGA systems. Typical applications include satellite payload data processing, spacecraft bus controllers, telemetry and telecommand interfaces, sensor-interface glue logic, and reconfigurable-computing modules in space-flight systems where 2M-gate density and rad tolerance are both required. Designers should note that the antifuse is one-time programmable: board-level debugging must rely on the companion Axcelerator commercial devices (e.g., A3PE3000 family) or the RTAX prototyping variants before committing flight hardware, and CQFP solder-column attachment requires defined QA and visual inspection steps per the manufacturer datasheet. This page synthesizes distributor data, drop-in family alternatives, pricing guidance, and practical design notes not found in the manufacturer datasheet, giving engineers a single citation-ready reference for the RTAX2000D-CQ352E.
RTAX2000DL-1CQ352B - 2M-Gate Rad-Tolerant FPGA, CQFP-352 | Microchip
The Microchip Technology (Actel/Microsemi) RTAX2000DL-1CQ352B is a radiation-tolerant, antifuse-based FPGA offering approximately 2,000,000 equivalent system gates, 19,712 configurable logic blocks (CLBs), and up to 29,568 logic cells, housed in a 352-terminal ceramic quad flat pack (CQFP-352) with 166 input and 166 output terminals. It operates from a nominal 1.5V core supply (1.425V to 1.575V) with a maximum combinatorial delay of 0.930 ns. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environments of space-flight systems, including total ionizing dose (TID) and single-event effects. Within the power/semiconductor hierarchy, it sits under FPGA -> programmable logic device -> digital CMOS integrated circuit. The RTAX-DSP family members are one-time-programmable (OTP) antifuse devices, meaning the configuration is nonvolatile, live at power-up, and immune to configuration upsets caused by radiation - a decisive advantage over SRAM-based FPGAs in orbit. Key features include up to 120 DSP mathblocks with 18-bit x 18-bit multiply-accumulate blocks running at 125 MHz, up to 540 kbits of embedded SRAM with optional EDAC protection, total dose tolerance of 300 krad (Si) functional (200 krad per parametric specification per distributor summaries of the datasheet), and highly reliable nonvolatile antifuse technology. Chip-wide highway routing, segmentable clocks, and embedded FIFO control logic support high-throughput signal processing payloads. The device is fabricated in advanced CMOS and based on the commercial Axcelerator architecture, inheriting its high-performance fabric while adding radiation hardening by design and qualification. The ceramic CQFP package provides hermetic sealing required for space-flight assembly flows and compatibility with standard high-reliability solder and socket mounting processes. Typical applications include satellite payload signal processing, spacecraft on-board data handling, telemetry and telecommand controllers, radiation-exposed sensor interfaces, and launch-vehicle avionics where single-chip, live-at-power-up operation and low power consumption are mandatory. A critical design consideration is the OTP nature of the antifuse fabric: programming is irreversible, so designers should prototype using the Aldec RTAX prototyping adaptors (flash-based ProASIC3E technology) before committing flight units. This page synthesizes distributor data, drop-in same-family alternatives, pricing context, and practical design notes not consolidated in the manufacturer datasheet.
RTAX2000DL-1CQ352E - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology RTAX2000DL-1CQ352E is a 2-million-gate radiation-tolerant FPGA (RTAX-DSP family) built on nonvolatile antifuse CMOS technology, offering 19712 configurable logic blocks (CLBs), up to 120 DSP mathblocks with 125 MHz 18-bit x 18-bit multiply-accumulate, up to 540 kbits of embedded SRAM with optional EDAC protection, and a 352-terminal ceramic CQFP package operating from a nominal 1.5V core supply (1.425V to 1.575V). A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space while retaining the programmability of commercial FPGAs. Within the power-management-and-logic hierarchy of a spacecraft avionics system, it sits as the central digital processing element, sitting above commercial FPGAs (like the Axcelerator family it derives from) and below fully radiation-hardened ASICs, providing a middle path of programmability, schedule, and radiation assurance. Key features include highly reliable nonvolatile antifuse technology that is live at power-up with no configuration device required, total ionizing dose tolerance of 300 krad(Si) functional (200 krad(Si) per the parametric rating quoted by distributor data), single-event effect mitigation support, and true single-chip form factor. These characteristics eliminate configuration-memory upset concerns common to SRAM FPGAs. Technically, the RTAX-DSP architecture is based on the Microsemi (Actel) commercial Axcelerator fabric, adding DSP mathblocks and radiation-tolerant enhancements. Embedded SRAM blocks include built-in FIFO control logic, and the chip-wide highway routing and segmentable clock structures support high-performance spaceflight designs. Design prototyping is supported via a footprint-compatible adaptor-board methodology with an EDIF netlist and pinout converter, allowing commercial equivalent parts to validate the flight design. Typical applications include satellite payload data processing, spacecraft bus control and telemetry, and radiation-exposed instrumentation where live-at-power-up boot behavior and low power are mandatory. A key design consideration: antifuse devices are one-time programmable, so final flight designs must be fully validated before programming; use the manufacturer's prototyping flow with commercial equivalents. This page synthesizes distributor data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
RTAX2000DL-1CQ352V - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology RTAX2000DL-1CQ352V is a radiation-tolerant, antifuse-based FPGA from the RTAX-DSP family, offering approximately 2 million equivalent system gates, 29,568 logic cells, and 19,712 CLBs, operating from a 1.425V to 1.575V core supply (nominal 1.5V) in a 352-pin ceramic CQFP package (CQ352). A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space, where total ionizing dose (TID), single-event latchup (SEL), and single-event upsets (SEU) would degrade or destroy commercial devices. Within the power-management hierarchy of a spacecraft avionics system, the FPGA sits at the top of the digital logic hierarchy: semiconductor -> programmable logic device -> FPGA -> radiation-tolerant FPGA, providing one-time-programmable configuration that is live-at-power-up with no external boot memory required. Key features of the RTAX2000DL include antifuse one-time programmability that eliminates configuration-volatile storage, true single-chip form factor reducing board area and mass, low static and dynamic power consumption, and the DSP-oriented DL variant with dedicated multiply-accumulate capability for onboard signal processing. The ceramic column-grid/package construction supports vacuum-outgassing and reliability requirements of space-flight programs. Architecturally, the device is fabricated in advanced CMOS and organized as an array of combinational logic blocks with embedded SRAM and DSP blocks, connected by a segmented routing fabric permanently programmed by antifuse elements. Speed grade -1 devices meet timing across the military-relevant temperature range with a supply window of 1.425V to 1.575V. Typical applications include satellite payload data processing, spacecraft bus control and telemetry, onboard radar and image signal processing, and remote-sensing downlink framing - anywhere SEU-immune, live-at-power-up logic is mandatory. Design consideration: because the device is one-time-programmable, complete verification via the Aldec ACT-H3Ki-CQ352 footprint-compatible prototyping adaptor before programming is essential. This page synthesizes verified distributor data, same-family drop-in variants, and design guidance not found in the manufacturer datasheet. Pricing as of 2026-09-02.
RTAX2000DL-CQ352V - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology RTAX2000DL-CQ352V is a radiation-tolerant, antifuse-based FPGA delivering approximately 2,000,000 equivalent system gates with 29,568 logic cells and 19,712 CLBs, housed in a hermetically sealed 352-terminal ceramic CQFP (CQFP-352) package with 0.500 mm terminal pitch for surface mounting. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space. Within the semiconductor hierarchy, it sits under programmable logic devices alongside SRAM-based and flash-based FPGAs; the RTAX family is distinguished by its nonvolatile antifuse interconnect, which is programmed once and cannot be upset by a single charged particle, giving the device live-at-power-up operation without an external configuration flash. Key features of the RTAX2000DL variant include up to 120 DSP mathblocks performing 18-bit x 18-bit multiply-accumulate operations at up to 125 MHz, up to 540 kbits of embedded SRAM with optional EDAC protection, and a maximum combinatorial delay of 1.100 ns. Total ionizing dose capability is rated at 300 krad (functional), with a 200 krad specification also cited in the datasheet family data. The device is fabricated in advanced CMOS technology and operates from a 1.5V nominal core supply (1.425V to 1.575V range) across a military temperature range of -55C to +125C. The DL suffix denotes the DSP-enhanced (mathblock-rich) die; the metal-sealed ceramic CQFP-352 package provides the hermeticity required for space-flight assembly flows. Typical applications include satellite payload processing, onboard signal processing, spacecraft bus control, and radiation-exposed instrumentation where single-event upset immunity and true single-chip form factor matter. When designing with this device, plan programming via the standard antifuse programming flow (one-time programmable) and validate timing against the 1.5V supply corner conditions. This page synthesizes distributor listings, family datasheet data, and drop-in alternatives within the RTAX CQFP-352 ecosystem not consolidated in the manufacturer datasheet.
RTAX2000S-1CG1152V - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology (Actel/Microsemi) RTAX2000S-1CG1152V is a radiation-tolerant, 2,000,000-equivalent-gate antifuse FPGA with 21,504 CLBs and 32,256 logic cells, offering 684 usable I/Os in a 1152-terminal ceramic, metal-sealed cofired CBGA (CCGA) package. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the total ionizing dose (TID), single-event latchup (SEL), and single-event upset (SEE) environment of orbital and deep-space missions. Within the space electronics hierarchy, RTAX-S sits under radiation-tolerant FPGAs -> space-grade programmable logic -> flight hardware, alongside one-time-programmable antifuse competitors and flash-based alternatives such as ProASIC3-based prototyping solutions. Key features include a true single-chip form factor, live-at-power-up operation, and low-power consumption. The antifuse programmable interconnect is inherently immune to configuration upsets, eliminating the need for external configuration storage such as PROMs or flash - a decisive weight, power, and reliability advantage in spacecraft avionics. The metal-sealed ceramic column package supports high pin-count, high-IO flight boards. Architecturally, the RTAX2000S derives from the commercial Axcelerator family, embedding SRAM blocks with built-in FIFO control logic, segmentable clock resources, and chip-wide functionalities, fabricated in 0.15 um CMOS with a 1.5 V core per the RTAX-S/SL datasheet family. Typical applications include satellite payload data processing, spacecraft command and data handling (C&DH), telemetry/tracking/command interfaces, and radiation-hardened bus controllers - anywhere millions of system gates must operate reliably under radiation for multi-year missions. Design consideration: RTAX-S devices are one-time-programmable (antifuse); use the companion PROTO/prototype parts or an Aldec flash-based adaptor for in-system iteration before committing to flight silicon. This page synthesizes verified distributor data, same-family drop-in alternatives, and mission-oriented design notes not found on the manufacturer datasheet alone.
RTAX2000S-1CG624PROTO - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology RTAX2000S-1CG624PROTO is a radiation-tolerant, antifuse-based FPGA delivering 2,000,000 equivalent system gates, 32,256 logic cells (21,504 CLBs) and up to 540 kbits of embedded SRAM, housed in a 624-ball ceramic column grid array (CCGA-624) package with speed grade -1. The PROTO suffix denotes an engineering-prototype qualification flow intended for early system development and validation. A radiation-tolerant FPGA is a field-programmable gate array qualified for the space-flight radiation environment. Within the power-management hierarchy of onboard digital electronics, RTAX-S devices sit at the top: one-time-programmable antifuse interconnect makes them live-at-power-up and immune to configuration upsets that affect SRAM-based FPGAs, eliminating the need for external configuration storage. Key features include total ionizing dose tolerance of 300 krad (functional) and 200 krad (parametric), single-event upset rates below 1E-10 errors per bit-day, up to 684 user I/Os across the family, and embedded memory blocks with optional EDAC protection. Performance reaches up to 350 MHz in system-level designs, based on the commercial Axcelerator architecture. Architecturally, the RTAX2000S uses a segmented clock structure, chip-wide synchronization outputs, and FIFO control logic integrated into the embedded SRAM, allowing single-chip implementations that would otherwise need glue logic and external memory. Typical applications include satellite payload processing, spacecraft bus control, telemetry and telecommand interfaces, and orbital instrument controllers, where low power, single-chip reliability, and radiation tolerance are mandatory. A key design consideration: antifuse FPGAs are one-time programmable, so complete timing closure and in-system verification should be completed before committing a flight lot. This page adds value beyond the datasheet by synthesizing drop-in family alternatives, packaging options, and application guidance drawn from distributor and manufacturer sources.
RTAX2000S-1CGS624V - 2M-Gate Rad-Tolerant FPGA | Microchip
The Microchip Technology RTAX2000S-1CGS624V is a radiation-tolerant FPGA delivering approximately 2,000,000 equivalent system gates with 21,504 configurable logic blocks (CLBs) on a 32,256-cell architecture, housed in a 624-ball ceramic column grid array (CG624) package. It operates from a nominal 1.5V core supply (1.425V to 1.575V) across a military space temperature range of -55C to +125C with speed grade -1. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environments of space flight, where single-event upsets (SEUs) and total ionizing dose (TID) would corrupt or destroy standard commercial silicon. Within the power/semiconductor hierarchy, the RTAX-S family sits under radiation-tolerant programmable logic, alongside flash-based and antifuse-based space FPGAs, and is a direct descendant of the commercial Actel Axcelerator family architecture. Key features include SEU-hardened flip-flops that eliminate the need for triple-module redundancy (TMR) in many designs, embedded SRAM blocks with built-in FIFO control logic, segmentable clock conditioning circuitry, and chip-wide highway routing. The family reaches up to four million equivalent system gates, and the RTAX2000S additionally provides about 250,000 ASIC gates of companion capacity per Microchip USA data. Live-at-power-up operation and a true single-chip form factor remove the external configuration device required by SRAM FPGAs, increasing board-level reliability. The device is fabricated on a CMOS process and programmed via antifuse technology, which is inherently immune to configuration upsets - a decisive advantage in orbit where configuration scrubbing is costly. Performance is preserved at high density, making the RTAX2000S suitable as the main payload processing element. Typical applications include satellite payload data processing, spacecraft bus control and telemetry, orbital instrument interfaces, and launch-vehicle avionics - anywhere high gate counts must coexist with proven radiation tolerance. Designers should plan I/O bank voltage budgets early: the CG624 package dedicates hundreds of balls to I/O and power, and supply rails must stay within the 1.425V-1.575V core window under all load transients. This page synthesizes verified distributor data, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.