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Produkte (32805)

A54SX32-1TQG144M - 32K Gate FPGA 280MHz 144-TQFP | Microchip
A54SX32-1TQG144M

A54SX32-1TQG144M - 32K Gate FPGA 280MHz 144-TQFP | Microchip

The Microchip Technology (Actel) A54SX32-1TQG144M is a 32,000-system-gate antifuse FPGA from the SX family delivering up to 280 MHz system performance with 113 user I/Os, housed in a 144-pin TQFP (TQG144) surface-mount package. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks and interconnects that the designer programs after manufacturing. The A54SX32 belongs to the Actel SX family of antifuse FPGAs, one-time programmable devices positioned in the programmable logic hierarchy between SPLDs/CPLDs and larger SRAM-based FPGAs. Antifuse programming is non-volatile and configuration is fixed at power-up, removing the need for an external configuration memory device. Key features include a sea-of-modules architecture built around high-speed C-cells and R-cells, 1800 logic cells (2880 modules per related listings), a 0.35 um CMOS process, and dual 3.3V/5V compatible supply operation. The speed-grade-1 device supports toggle rates up to 280 MHz, making it suitable for performance-intensive glueless integration, bus interfacing, and state-machine functions. Architecturally, the SX sea-of-modules fabric routes through a segmented routing structure that yields deterministic, low-skew timing. Because the antifuse fabric is one-time programmable, it offers inherent resistance to design theft and configuration readback compared to SRAM FPGAs, with very low static power consumption. Typical applications include industrial control and automation, telecommunications and networking line cards, aerospace/defense system logic (with military variants available), and test equipment, where the 113 I/Os and 280 MHz capability absorb bus-bridging and control-plane logic that would otherwise require multiple ASSPs. Design consideration: antifuse FPGAs cannot be reprogrammed, so verify your design thoroughly in simulation and on a prototype before committing production programming; also confirm commercial (M) versus industrial (I) temperature requirements before selecting the suffix. This page synthesizes distributor pricing context, drop-in same-package alternatives from the Microchip SX/SX-A families, and practical design notes not found in the manufacturer datasheet alone.

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A54SX32-1TQG176 - 32K Gate FPGA 280MHz TQFP-176 | Microsemi
A54SX32-1TQG176

A54SX32-1TQG176 - 32K Gate FPGA 280MHz TQFP-176 | Microsemi

The Microsemi (Microchip) A54SX32-1TQG176 is an SX-family FPGA with approximately 32,000 system gates and 1,800 logic cells, operating at up to 280 MHz and supplied from dual 3.3V/5V rails (3V to 3.6V and 4.75V to 5.25V), housed in a 176-pin TQFP (24x24 mm) package with 147 user I/Os. A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that engineers configure in the field to implement custom digital logic. Within the programmable logic hierarchy, the FPGA sits above CPLDs and PLDs, and the Actel SX family (now owned by Microchip Technology via Microsemi) belongs to the antifuse one-time-programmable FPGA category, prized for instant-on behavior and configuration security. Key features of the A54SX32-1TQG176 include the SX sea-of-modules architecture, which delivers high-performance logic density with deterministic routing delays; a maximum toggle/system clock rate of 280 MHz enabled by 0.35 um CMOS process technology; and dual-supply operation that eases integration into both 3.3V and mixed 5V legacy systems. The antifuse program element is non-volatile, requiring no external configuration ROM and providing inherent resistance to bit-stream readback attacks. Architecturally, the SX family uses a sea-of-modules structure whose dedicated fast carry chains and efficient module granularity suit high-speed datapath and state-machine designs. Design compilation is performed with Actel/Microchip Libero SoC tools targeting the SX device database; timing is deterministic because antifuse interconnect resistance is fixed after programming. Typical applications include industrial control and automation, communications and networking interface glue logic, aerospace and defense control logic benefiting from antifuse robustness, and test equipment custom logic where instant power-up is mandatory. Design consideration: verify the -1 speed grade against your worst-case timing requirements, as faster -2 variants of the same die are available if the 280 MHz class performance is marginal. This page synthesizes distributor pricing, drop-in same-package alternatives, design notes, and FAQ content not consolidated in the manufacturer datasheet.

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A54SX32-1TQG176I - SX FPGA 32K Gates 280MHz | Microsemi
A54SX32-1TQG176I

A54SX32-1TQG176I - SX FPGA 32K Gates 280MHz | Microsemi

The Microsemi (now Microchip Technology) A54SX32-1TQG176I is an SX-family FPGA (Field Programmable Gate Array) offering 32,000 system gates and 1,800 logic cells with a maximum toggle rate of 280 MHz, fabricated on a 0.35 um process and housed in a 176-pin TQFP (24x24 mm) package with 147 user I/O and industrial temperature rating (-40C to +85C, denoted by the I suffix). An FPGA is a reprogrammable (or, in the case of the Actel/Microsemi SX family, antifuse one-time-programmable) logic device that sits in the product hierarchy between discrete logic ICs and full-custom ASICs, allowing designers to integrate glue logic, state machines, and control functions into a single semiconductor. The SX family uses a sea-of-modules architecture that delivers ASIC-like performance and integration levels not achieved by other FPGA architectures of its generation. Key features include dual-supply operation supporting both 3.3V (3V to 3.6V) and 5V (4.75V to 5.25V) I/O environments, 280 MHz system-level performance, and pin-compatible migration across the 54SX family. The one-time-programmable (OTP) nature eliminates configuration PROMs and provides inherent resistance to configuration corruption - a significant reliability advantage over SRAM FPGAs in harsh environments. The 0.35 um process with sea-of-modules routing yields deterministic, low-skew timing suitable for performance-critical control paths. Pricing as of 2026-09-03 from distributor channels; request a quote for current stock and lead time on XAIPART. Typical applications include industrial control systems, telecommunications line cards, aerospace and defense subsystems, and legacy bridge/logic consolidation on 3.3V/5V mixed-voltage boards. When designing with this device, note that OTP programming is irreversible - verify the design in simulation and, where feasible, on the in-system-programmable variant before committing production units. This page synthesizes distributor pricing, drop-in alternatives within the 176-TQFP footprint, and practical design notes not found in the manufacturer datasheet.

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A54SX32-2BG329 - 32K-Gate SX FPGA, 320MHz, BGA-329 | Microchip
A54SX32-2BG329

A54SX32-2BG329 - 32K-Gate SX FPGA, 320MHz, BGA-329 | Microchip

The Microchip Technology (Microsemi/Actel) A54SX32-2BG329 is a high-performance antifase-free CMOS FPGA from the SX family, delivering 32,000 equivalent gates, 2880 configurable logic blocks (CLBs), and a maximum toggle rate of 320 MHz in a 329-ball BGA package with 249 user I/Os. It operates from a nominal 3.3V supply (3.0V to 3.6V range) with 5V-tolerant input capability, fabricated on a 0.35 um CMOS process. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing, sitting within the broader hierarchy of programmable logic devices: SPLDs, CPLDs, and FPGAs, all under the umbrella of programmable system-on-chip and digital logic ICs. The SX family uses a sea-of-modules architecture, which simplifies design timing closure, reduces design cost and power consumption, and shortens time to market for performance-intensive applications. Key features of the A54SX32-2BG329 include the speed-grade -2 rating (the fastest commercial grade of the SX32 family), the high-density 329-ball BGA package suited to fine-pitch surface-mount assembly, and 249 I/Os for wide data-path designs. The CMOS process yields low static power, and the sea-of-modules routing architecture provides predictable, register-to-register delays that support synchronous designs above 100 MHz in practical use. Technically, the SX family achieves its performance through a module-based fabric rather than lookup-table (LUT) based architectures, with each module implementing combinational and sequential functions directly. This delivers higher gates-per-micron efficiency and faster inter-module routing than contemporaneous SRAM FPGAs, while the antifuse-style programming keeps configuration nonvolatile. Typical applications include telecommunications line cards, industrial control and data-acquisition systems, test and measurement instrumentation glue logic, and military/aerospace subsystem logic replacement, where high gate utilization and deterministic timing matter. Designers should verify the supply sequencing and 5V-tolerant I/O interfacing requirements early, and confirm the -2 speed grade is required; slower -1 grade parts in the same BG329 footprint can reduce cost. This page synthesizes distributor pricing, drop-in same-footprint alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-2BG329I - 48K-Gate FPGA, 249 I/O | Microchip Technology
A54SX32-2BG329I

A54SX32-2BG329I - 48K-Gate FPGA, 249 I/O | Microchip Technology

The Microchip Technology A54SX32-2BG329I (originally Actel) is an SX-family antifuse FPGA with 48,000 system gates, 249 user I/O, and speed grade -2, housed in a 329-ball BGA (329-BBGA) package and rated for the industrial temperature range. An FPGA (Field-Programmable Gate Array) is a programmable integrated circuit that lets designers implement custom digital hardware logic after manufacturing. The Actel SX family is an antifuse-based FPGA: unlike SRAM FPGAs, its programming connections are permanent one-time fuses, which makes the configuration non-volatile, instant-on at power-up, and inherently resistant to configuration corruption - a hierarchy that places this device within programmable logic > FPGA > one-time-programmable antifuse FPGA. Key features of the SX family include a sea-of-modules architecture that delivers high-performance, high-integration levels, simplifying design time and reducing cost and power consumption for performance-intensive applications. The -2 speed grade denotes a faster timing grade within the family, and the 329-ball BGA provides 249 user I/O for large, pin-intensive designs. Architecturally, the sea-of-modules fabric routes through antifuse interconnect, giving the device low on-chip signal loads and deterministic timing suited to high-speed glue logic, bus bridging, and state-machine integration. Because configuration is stored in silicon, no external boot PROM or configuration controller is required. Typical applications include aerospace and defense systems, industrial automation controllers, communications and networking interface bridging, and test-and-measurement instrumentation where instant-on, secure, single-chip logic integration is required. A key design consideration: antifuse FPGAs are one-time programmable - design changes require a new device, so verify timing closure and pin assignment thoroughly before programming. Note also that per distributor data (digchip), this specific MPN is marked Contains Lead / RoHS Non-Compliant; for lead-free assemblies consider the BGG329 lead-free variants. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-2BGG329 - SX FPGA 48K Gates 329-BGA | Microchip
A54SX32-2BGG329

A54SX32-2BGG329 - SX FPGA 48K Gates 329-BGA | Microchip

The Microchip Technology (formerly Actel/Microsemi) A54SX32-2BGG329 is an SX-family antifuse FPGA with 48,000 system gates, 249 user I/O, and a 329-ball BGA package (1.27 mm ball pitch), operating from a 3.3V core with 5V-tolerant I/O support. An FPGA (Field-Programmable Gate Array) is a user-configurable integrated circuit that implements custom digital logic after manufacturing. The SX family belongs to the one-time-programmable antifuse FPGA category, sitting within the broader hierarchy of programmable logic devices (PLDs) that also includes CPLDs and SRAM-based FPGAs. Antifuse technology means the configuration is permanently programmed once, providing immediate logic functionality at power-up with no external boot configuration device required. Key features of the A54SX32-2BGG329 include a sea-of-modules architecture delivering high-performance routing, speed grade -2 for elevated timing performance, and a high density of 2,880 configurable logic blocks (CLBs). The 329-BBGA package provides a robust surface-mount footprint suitable for industrial and communications equipment. Per FindIC data, the device operates with 3.3V/5V I/O compatibility and is RoHS compliant with a plastic PBGA-329 body. The SX architecture uses a module-based sea-of-gates fabric rather than look-up tables, enabling dramatic reductions in design time, power consumption, and system cost for performance-intensive applications. This architecture simplifies design compared to SRAM FPGAs while offering security advantages since the bitstream is not stored externally. Typical applications include industrial control, communications networking equipment, data acquisition systems, glue logic consolidation, and embedded control in aerospace-adjacent industrial systems where instant-on configuration and single-chip integration reduce BOM cost. A key design consideration is that antifuse devices are one-time programmable: the design must be frozen before programming, so final functional verification with Microchip Libero or Designer software is essential prior to committing hardware. This page synthesizes distributor pricing data, drop-in alternative analysis, and practical design guidance not found in the manufacturer datasheet, providing single-source engineering value for sourcing and design teams.

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A54SX32-2BGG329I - SX FPGA 48K Gates 329-BGA | Microchip
A54SX32-2BGG329I

A54SX32-2BGG329I - SX FPGA 48K Gates 329-BGA | Microchip

The Microchip Technology A54SX32-2BGG329I (originally Actel/Microsemi) is a SX-family antifuse Field Programmable Gate Array (FPGA) with 48K system gates, 249 user I/O, and a maximum clock frequency of 320 MHz, housed in a 329-ball BGA package measuring 31x31x2.59 mm. It is industrial temperature rated from -40C to +85C and is RoHS compliant and lead free. An FPGA (Field Programmable Gate Array) is a semiconductor device that implements digital logic through a configurable fabric of programmable logic blocks and interconnects. The SX family uses a sea-of-modules architecture built on 0.35 um CMOS technology, positioning it within the hierarchy: A54SX32 -> SX FPGA family -> one-time-programmable (OTP) antifuse FPGA -> programmable logic device -> digital IC. Key features include 32,000 equivalent gates (about 1800 cells) of nonvolatile antifuse logic, 249 user I/O, operation from 3.3V/5.0V compatible supplies, and up to 320 MHz system performance. Because antifuse configuration is one-time programmable and nonvolatile, the device is immune to configuration readback, offering inherent design security and no boot-up configuration time, unlike SRAM-based FPGAs. The sea-of-modules architecture delivers ASIC-like routing density and deterministic timing, enabling dramatic reductions in design cost and power consumption for performance-intensive applications. The '-2' speed grade balances performance with power; the 'I' suffix denotes the industrial -40C to +85C operating range suitable for harsh environments. Typical applications include industrial automation and control, communications and networking equipment, aerospace and defense logic consolidation, and test and measurement instrumentation where single-chip integration of glue logic plus functions reduces BOM cost. Design consideration: antifuse FPGAs cannot be reprogrammed, so logic must be fully verified in simulation with Microchip Libero/Designer software before programming; plan I/O banking for the 3.3V/5V mixed-voltage environment. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-2PQG208 - 48K Gate SX FPGA 208-PQFP | Microchip
A54SX32-2PQG208

A54SX32-2PQG208 - 48K Gate SX FPGA 208-PQFP | Microchip

The Microchip Technology A54SX32-2PQG208 is an Actel SX-family antifuse FPGA delivering 48K system gates (approximately 32,000 equivalent gates, 1800 modules) with up to 174 user I/O, a maximum toggle rate of 320 MHz, and 3.3V/5V dual-supply operation, housed in a 208-pin PQFP (208-BFQFP) package measuring 28x28x3.4 mm. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and interconnects that the designer programs after manufacturing. The A54SX32 belongs to the one-time-programmable (OTP) antifuse class of FPGAs, positioned within the broader hierarchy: FPGA -> programmable logic device -> digital IC -> semiconductor. Unlike SRAM FPGAs, antifuse devices retain their configuration permanently, require no external configuration ROM, and start up instantly at power-on. Key features include Microchip (formerly Actel/Microsemi) sea-of-modules architecture, which places dedicated R-cells (sequential) and C-cells (combinatorial) on a fine-grained grid for high logic utilization; 0.35 um CMOS process technology; dual-rail operation at 3.3V core with 5V-tolerant I/O; and predictable pin-to-pin delays that simplify timing closure. The 208-pin PQFP provides 174 user-programmable I/O for wide bus interfaces. The antifuse interconnect architecture delivers inherent resistance to configuration bitstream theft and radiation-induced configuration upsets compared to SRAM-based fabrics, with typical internal routing delays enabling system clock rates up to the 320 MHz toggle specification. Programming is performed once at programming stations using the manufacturer-specified burn-in procedure. Typical applications include industrial control systems, high-reliability embedded controllers, glueless bus bridging, state machines replacing multiple discrete logic devices, and aerospace/defense predecessor designs where deterministic instant-on behavior is required. A key design consideration is that antifuse FPGAs are one-time programmable: functional changes require a new device, so thorough simulation and a rework strategy of socketed or dual-footprint prototyping is recommended before committing production boards. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-2PQG208I - 48K Gate SX FPGA 208-QFP | Microchip
A54SX32-2PQG208I

A54SX32-2PQG208I - 48K Gate SX FPGA 208-QFP | Microchip

The Microchip Technology (Microsemi) A54SX32-2PQG208I is an Actel SX-family antifuse FPGA with 48K system gates, 174 user I/Os, and a 320 MHz system performance rating, housed in a 208-pin PQFP (PQG208) package qualified for the industrial temperature range (-40C to +85C). A Field-Programmable Gate Array (FPGA) is a semiconductor device containing a matrix of configurable logic blocks and routing resources that the designer interconnects using a hardware description language such as Verilog or VHDL. The SX family sits in the one-time-programmable (OTP), antifuse-based branch of the FPGA taxonomy, sitting below radiation-tolerant families such as RTAX in the Microsemi/Microchip portfolio and distinguished from SRAM FPGAs by its non-volatile, single-chip, instant-on nature. Key features include a sea-of-modules architecture that delivers gate-array-like routability and predictable timing, 0.35 um antifuse process technology, dual 3.3V/5V I/O compatibility, and 1800 logic modules (RX and R modules) organized for high-speed decode and registered logic. Speed grade -2 parts support system clock rates up to 320 MHz, enabling performance-intensive applications such as bus interface bridges, state machines, and glueless integration of multiple ASSP functions. Technical depth: because the antifuse interconnect is programmed once at the factory test or programming station, the device is inherently non-volatile, requires no configuration PROM, draws zero configuration power at startup, and offers high resistance to bitstream readback - a security advantage in aerospace, defense, and industrial designs. The 208-pin QFP body supports conventional surface-mount assembly on 0.5 mm pitch footprints. Typical applications include industrial control and automation logic consolidation, telecommunications line-card interface logic, military/avionics subsystems requiring OTP security, and legacy ASIC prototyping or replacement where a 32K-gate density point is required. Design consideration: as an OTP device, any logic change requires a new programmed device - prototype thoroughly in simulation with Libero SoC tools and reserve spare I/O and margin in timing closure before committing to production programming. This page synthesizes distributor availability, drop-in speed-grade and temperature-grade alternatives, and practical design guidance not found in a single manufacturer datasheet.

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A54SX32-2TQG144 - 32K Gate FPGA, 113 I/O, TQFP-144 | Microchip
A54SX32-2TQG144

A54SX32-2TQG144 - 32K Gate FPGA, 113 I/O, TQFP-144 | Microchip

The Microchip (Actel) A54SX32-2TQG144 is a 32,000-system-gate antifuse FPGA from the SX family with 2,880 logic cells (CLBs), 113 user I/O, and a -2 speed grade, housed in a 144-pin TQFP (TQG144) surface-mount package operating from 0C to +70C with 3.3V and 5V supply options. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and routing resources that the designer programs to implement custom digital circuits. Within the programmable logic hierarchy, the A54SX32 sits in the antifuse one-time-programmable (OTP) FPGA class: it belongs to the broader families of programmable logic devices (PLDs), which include CPLDs, flash-based FPGAs, and SRAM-based FPGAs. Unlike SRAM FPGAs, antifuse devices are non-volatile, do not require configuration ROM, and are inherently immune to configuration readback, making them attractive in high-reliability and secure designs. Key features of the A54SX32-2TQG144 include the SX sea-of-modules architecture that delivers high gate utilization and predictable timing, 0.35 um CMOS technology with dual 3.3V/5V supply support for legacy board compatibility, and the compact -2 speed grade. With 32,000 system gates and 2,880 modules, the device integrates glue logic, state machines, bus interfaces, and control functions that previously required multiple discrete ICs, reducing board area, BOM cost, and power consumption. Technical depth: the SX family uses a sea-of-modules architecture in which each logic module (C-cell and R-cell pairs) provides combinational and sequential capability with local and global routing. Timing is largely deterministic because routing is fixed after place-and-route, which simplifies static timing analysis. Programming occurs at the factory or in programming hardware via antifuse elements, giving extremely low static power and no configuration burden at power-up. The TQFP-144 package provides 113 user I/O with standard 5V-tolerant, 3.3V/5V-compatible buffers. Typical applications include industrial control and automation, legacy MIL/aerospace-adjacent and communications equipment, bridge logic between 5V and 3.3V subsystems, bus interfacing, and embedded control in instrumentation where the design is frozen and one-time programmability is acceptable. Design consideration: because the A54SX32 is one-time programmable, designs must be fully verified before programming; plan for programming yield and use Microchip (Actel) Designer software for place-and-route and timing sign-off. This page synthesizes distributor availability data, same-package drop-in alternatives, and practical design guidance not found in the manufacturer datasheet, with pricing and stock freshness noted as of 2026-09-03.

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A54SX32-2TQG144I - 32K Gate FPGA 113 I/O TQFP-144 | Microchip
A54SX32-2TQG144I

A54SX32-2TQG144I - 32K Gate FPGA 113 I/O TQFP-144 | Microchip

The Microchip Technology (Microsemi) A54SX32-2TQG144I is a 32,000-gate Actel SX-family FPGA with 1,800 logic modules, 113 user I/O, up to 320 MHz system performance, and 3.3V/5V operation, housed in a 144-pin TQFP (TQG144) package with industrial temperature rating (-40C to +85C). An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer configures after manufacturing, sitting within the broader hierarchy of programmable logic ICs between CPLDs and full SoC devices. The SX family is unique in that it is a one-time-programmable, antifuse-based FPGA using a sea-of-modules architecture, which eliminates configuration memory, reduces power consumption, and gives ASIC-like security and instantaneous power-up operation. Key features include the 0.35um antifuse process delivering deterministic sub-nanosecond interconnect delays, dual voltage support of 3.3V core with 5V-tolerant I/O capability, 113 user-input/output pins on the 144-lead TQFP, and the -2 speed grade for performance-intensive designs. Unlike SRAM FPGAs, the antifuse fabric requires no boot PROM, is immune to configuration readback, and simplifies radiation- and security-conscious system design. Technical depth: the sea-of-modules architecture combines C-cells (combinational) and S-cells (sequential) in a routing-rich array, allowing the -2 speed grade devices to reach toggle rates up to 320 MHz, performance levels at introduction unmatched by SRAM FPGA architectures of the same generation. Typical applications include industrial control and automation, communications and networking line cards, military/aerospace glueless logic integration, and test equipment, where instant-on operation and design security matter. Design consideration: because the device is one-time-programmable, verify the complete design in simulation before programming; pin-compatible speed-grade and temperature-grade variants allow last-stage sourcing flexibility. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-2TQG176 - SX FPGA 48K Gates 147 I/O TQFP-176 | Microsemi
A54SX32-2TQG176

A54SX32-2TQG176 - SX FPGA 48K Gates 147 I/O TQFP-176 | Microsemi

The Microsemi (now Microchip Technology) A54SX32-2TQG176 is an SX-family FPGA providing 48,000 system gates and 147 user I/O pins in a 176-pin TQFP (24x24 mm, 0.5 mm pitch) surface-mount package. It operates from dual supply rails of 3V to 3.6V (core) and 4.75V to 5.25V (I/O), with a maximum clock frequency of 320 MHz and a worst-case CLB combinatorial delay of 0.7 ns. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks (CLBs) interconnected by programmable routing, allowing designers to implement custom digital circuits without fabricating an ASIC. FPGAs sit at the top of the programmable logic hierarchy, below full-custom ASICs and above CPLDs in gate density and flexibility. The A54SX32 uses Actel's sea-of-modules architecture based on antifuse programmable elements. Unlike SRAM-based FPGAs, the antifuse technology is non-volatile and one-time programmable: configuration is fixed at power-up with no external boot device, no configuration bitstream can be read back, and interconnect switch resistance and capacitance are low, enabling the 320 MHz system performance and improved radiation and power characteristics. The 0.35 um CMOS process supports 3.3V/5V mixed-voltage I/O. Key features include 2880 logic modules organized for efficient wide-gate functions, 147 programmable I/Os with mixed 3.3V/5V tolerance, a -2 commercial speed grade, and a 176-TQFP footprint that eases assembly on standard PCB processes. Microchip describes the SX family as dramatically reducing design time, cost, power consumption, and time to market for performance-intensive applications. Typical applications include industrial control and automation logic, communications and networking glue logic and bridge functions, avionics and defense systems requiring non-volatile, configuration-security-friendly devices, and high-speed state machines replacing multi-chip TTL/ASIC solutions. Designers should note that antifuse FPGAs are one-time programmable: unlike SRAM FPGAs, design iterations require new physical parts, so verification flow maturity matters. Supply both the 3.3V core and 5V I/O rails with proper decoupling and power sequencing per the Microchip SX family datasheet. This page synthesizes verified distributor data, drop-in alternatives within the same TQFP-176 footprint, and practical design notes not found in the manufacturer datasheet. Pricing and lifecycle status are stated as of 2026-09-03.

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A54SX32-BG313I - 32k Gate FPGA, 249 I/O, 313-BGA | Microsemi
A54SX32-BG313I

A54SX32-BG313I - 32k Gate FPGA, 249 I/O, 313-BGA | Microsemi

The Microsemi (Microchip) A54SX32-BG313I is a 32,000-gate SX-family antifuse FPGA in a 313-ball BGA (BBGA) package, offering 249 user I/O, 2880 configurable logic modules, and clock rates up to 240 MHz at a nominal 3.3V supply (3.0V to 3.6V operating range). An antifuse FPGA is a type of field-programmable gate array whose interconnect switches are permanently programmed at power-up programming time, in contrast to SRAM-based FPGAs that load configuration data from external memory at every boot. Within the programmable logic hierarchy (FPGA -> programmable logic device -> digital IC -> semiconductor), antifuse devices are valued for instant-on behavior, non-volatile configuration, low power, and high resistance to configuration error or radiation-induced upset. Key features include the SX sea-of-modules architecture that shortens design time and reduces power, dual supply ranges (3V~3.6V core and 4.75V~5.25V per listed specification data), and a dense 35x35 mm 313-PBGA footprint delivering 249 I/O for wide-bus designs. The -I suffix denotes industrial temperature operation. Architecturally, the SX family's sea-of-modules fabric provides predictable routing and high effective gate utilization, supporting performance-intensive applications where SRAM FPGA reconfiguration is unnecessary. Typical applications include industrial control, communications and networking line cards, aerospace and defense logic glue, and test equipment, where non-volatile, instant-on logic is required. Design consideration: because antifuse programming is one-time, complete functional simulation and pin-planning verification before programming are essential; there is no field rework path. This page synthesizes distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-BG313M - SX FPGA 249 I/O 313-BBGA | Microsemi
A54SX32-BG313M

A54SX32-BG313M - SX FPGA 249 I/O 313-BBGA | Microsemi

The Microsemi (Actel) A54SX32-BG313M is a 36,000-gate-class SX family anti-fuse FPGA with 249 user I/O, housed in a 313-ball BGA (313-BBGA / 313-PBGA, 35x35 mm) package, operating from dual supply rails of 3.0V to 3.6V and 4.75V to 5.25V. A Field Programmable Gate Array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks and interconnects that the designer programs after manufacturing. The SX family belongs to the anti-fuse FPGA branch of the programmable logic hierarchy: unlike SRAM FPGAs (Xilinx, Altera), anti-fuse devices are one-time programmable, so their configuration is non-volatile, resistant to radiation-induced configuration upsets, and available immediately at power-up without an external boot device. Key features of the A54SX32-BG313M include the SX sea-of-modules architecture, which delivers gate-array-like routing efficiency and timing predictability; 249 user-input/output pins brought out on the 313-ball footprint; dual-rail operation supporting both 3.3V-class logic and 5.0V-tolerant legacy systems; and the M-grade temperature offering for extended-temperature and defense-oriented programs. Technically, the sea-of-modules fabric combines combinational and sequential modules with segmented routing, giving deterministic interconnect delays that simplify high-performance synchronous design closure compared with SRAM FPGA architectures. Because configuration is stored in anti-fuse elements, there is no configuration bitstream to load, no configuration controller to design, and a dramatically reduced single-event-upset exposure - the reason SX parts persist in avionics, space, and industrial systems designed around them. Typical applications include glueless bus bridging in 5V industrial systems, military and avionics control logic, high-speed state machines and address decoders, and telecom line-card control where non-volatile, instant-on programmable logic is required. When designing with this device, verify that both supply rails meet the 3.0V-3.6V and 4.75V-5.25V windows and confirm the -M grade against your program temperature requirement before layout. This page synthesizes distributor stock data, the manufacturer datasheet, drop-in alternative analysis, and practical design notes not found on any single distributor page.

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A54SX32-BG329 - 48K Gate FPGA 329-BGA | Microsemi
A54SX32-BG329

A54SX32-BG329 - 48K Gate FPGA 329-BGA | Microsemi

The Microsemi (Microchip) A54SX32-BG329 is a 48,000-system-gate antifuse FPGA from the SX family, offering 2,880 logic cells, 249 user I/O, and system speeds up to 240 MHz, housed in a 329-ball plastic BGA (31x31 mm, 1.27 mm pitch) surface-mount package. It operates from dual 3.3V and 5.0V supply rails (3.0V-3.6V and 4.75V-5.25V). An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks that designers interconnect using a hardware description language such as Verilog or VHDL. FPGAs sit within the broader hierarchy of programmable logic devices, above CPLDs in density and below ASICs in per-unit cost efficiency, and the SX family uses an antifuse programming technology that is one-time programmable but inherently more secure and radiation-tolerant than SRAM-based alternatives. Key features of the A54SX32-BG329 include the sea-of-modules architecture, which delivers ASIC-like routing efficiency and deterministic timing, a 0.35 um CMOS process, dual-voltage operation that lets 5V-tolerant I/O interface with legacy 5V systems while core logic runs at 3.3V, and the high-density 329-BGA package providing up to 249 simultaneous user I/O for wide bus interfaces. Technically, the device organizes its 48,000 system gates into 2,880 configurable logic modules, with Register Transfer Level timing models in Libero IDE supporting synthesis and timing-driven place-and-route. Antifuse interconnects add virtually no parasitic delay compared with pass-transistor SRAM routing, which is why SX devices reach 240 MHz counter frequencies and suit performance-critical glueless logic integration. Typical applications include industrial control and automation, communications and networking equipment, test and measurement instrumentation, and military/aerospace system upgrades where the secure, non-volatile antifuse fabric is valued. The dual 5V/3.3V capability makes it particularly convenient for retrofit designs on older 5V boards. Design consideration: the antifuse fabric is one-time programmable, so verify the design fully in simulation before programming production devices; also budget for the 329-BGA footprint and plan power sequencing for the dual rails. This page synthesizes distributor pricing, stock data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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A54SX32-BG329I - 48K Gate SX FPGA 329-BGA | Microchip
A54SX32-BG329I

A54SX32-BG329I - 48K Gate SX FPGA 329-BGA | Microchip

The Microchip Technology (Microsemi) A54SX32-BG329I is an Actel SX-family antifuse FPGA with 48K system gates (1800 logic cells), 249 user I/O, and system performance up to approximately 240 MHz, housed in a 329-ball plastic BGA (329-BBGA) package with 1.27 mm ball pitch and industrial temperature rating (I suffix). An antifuse FPGA is a type of field programmable gate array whose interconnect is permanently programmed at power-up programming time: unlike SRAM-based FPGAs from Xilinx or Intel (Altera), the SX family stores its configuration in one-time-programmable antifuse elements, so the device is non-volatile, requires no external configuration ROM, and is inherently resistant to configuration upset - a key reason antifuse FPGAs remain popular in military, aerospace, and industrial systems. Within the power management hierarchy of system logic devices, the SX sits in the one-time-programmable FPGA class alongside Microchip's newer ProASIC and RTAX families. Key features include the sea-of-modules architecture delivering high-speed, low-jitter interconnect; dual voltage support of 3.3V core with 5V-tolerant I/O capability (3.3V/5V per FindIC data); 0.35 um CMOS process technology; and 2880 combinatorial logic blocks (CLBs) equivalent cells. The 249 user I/O in the 329-ball package gives high pin utilization for wide bus interfaces. Technical depth: the SX sea-of-modules architecture shortens routing delays versus channel-based architectures, enabling consistent propagation performance. Because programming is one-time, designers validate the bitstream once and gain the supply-chain and security benefits of a fixed-function device without configuration-boot time. Typical applications include aerospace and defense control logic, industrial automation controllers, communication bridge logic, and glueless interface integration in legacy systems where SRAM FPGA volatility is undesirable. Design consideration: antifuse devices cannot be reprogrammed - a design change requires a new physical part, so thorough simulation and a proven programming flow (Libero/Designer software) are essential before committing. This page synthesizes distributor pricing (Octopart, Mouser, Heisener), same-family drop-in package alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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A54SX32-BG329M - 32K Gate FPGA 240MHz 329-BGA | Microsemi
A54SX32-BG329M

A54SX32-BG329M - 32K Gate FPGA 240MHz 329-BGA | Microsemi

The Microsemi (Actel, now Microchip Technology) A54SX32-BG329M is an antifuse-based FPGA from the SX family delivering 32,000 system gates (1,800 logic cells) with a maximum toggle frequency of 240 MHz, housed in a 329-ball BGA (329-BBGA) package with 249 user I/O. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the SX family sits among high-performance, one-time-programmable (OTP) antifuse FPGAs, which contrasts with SRAM-based FPGAs: configuration is permanent, immune to configuration-readback, and requires no external boot configuration device. Key features include a sea-of-modules architecture enabling high logic utilization and predictable timing, dual-rail operation at 3.3V or 5V (3.0V-3.6V and 4.75V-5.25V supply ranges), 2,880 configurable logic modules, and 0.35 um CMOS process technology. The -M speed grade indicates standard performance; -1 and -2 grades offer faster timing. Antifuse programmability delivers very low static power and instant-on operation. Architecturally, each logic module drives fast local and long-line routing, allowing critical paths to run at frequencies up to 240 MHz, and typical combinational delays in the sub-nanosecond range (datasheet cites a 900 ps representative delay for the SX family). Security against design theft is inherent because the programmed antifuse pattern cannot be read out. Typical applications include industrial control, aerospace and defense logic replacement, telecommunication line cards, and ASIC prototype or glue-logic consolidation where non-volatile, instant-on programmable logic is required. Design consideration: as a one-time-programmable device, verify the design thoroughly in simulation and, if possible, prototype on a larger SX-A family device before programming production units. Power-up sequencing of the 3.3V and 5V rails should follow the datasheet guidelines. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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A54SX32-BGG329 - 32K Gate SX FPGA, 240MHz, 329-BGA | Microchip
A54SX32-BGG329

A54SX32-BGG329 - 32K Gate SX FPGA, 240MHz, 329-BGA | Microchip

The Microchip Technology A54SX32-BGG329 is a 32,000-system-gate antifuse FPGA from the Actel SX family, offering 2880 logic cells, 249 user I/O, and up to 240 MHz internal performance, housed in a 329-ball BGA (329-BBGA) package. It operates from 3.3V/5V supplies and is fabricated on a 0.35 um CMOS process. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. Within the programmable-logic hierarchy, the SX family sits among one-time-programmable (OTP) antifuse FPGAs, which sit above SPLDs/CPLDs in gate density. Unlike SRAM FPGAs, antifuse devices are non-volatile, secure, and require no configuration PROM, making them attractive for high-reliability and space-constrained systems. Key features include a sea-of-modules architecture that yields high routing efficiency and deterministic timing, 3.7 ns pin-to-pin clock-to-output, 0.1 ns input setup, and 0.25 ns clock skew. The device supports 66 MHz PCI integration as a single-chip solution, combining CPLD and FPGA functions without external glue logic. Technically, the SX family uses a fine-grained sea-of-modules fabric built around C-cells (combinational) and R-cells (register), giving near-ASIC logic utilization. The antifuse interconnect provides low parasitic capacitance, supporting the 240 MHz internal clock rate and lower static power than equivalent SRAM FPGAs. Typical applications include industrial control, communications and networking line cards, avionics and military subsystems requiring design security, and PCI-compliant interface bridging where the 66 MHz PCI capability eliminates a separate bridge chip. Designers should note that this is a one-time-programmable device: the design must be finalized before programming, and speed-grade selection (-1, -2, standard) directly affects the achievable internal frequency. Verify I/O bank assignments and 329-BGA ballout against the manufacturer datasheet before layout. This page adds value beyond the datasheet by synthesizing distributor pricing, drop-in same-package alternatives (SX and SX-A family speed grades), and practical design notes for obsolescence management of this mature Actel/Microsemi product line.

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A54SX32-BGG329I - 32K-Gate SX FPGA, 249 I/O, 329-BGA | Microchip
A54SX32-BGG329I

A54SX32-BGG329I - 32K-Gate SX FPGA, 249 I/O, 329-BGA | Microchip

The Microchip Technology (Microsemi/Actel) A54SX32-BGG329I is a 32,000-system-gate antifuse FPGA from the SX family with 2,880 logic cells, 249 user I/O, and up to 240 MHz internal system performance, housed in a 329-ball plastic BGA (329-BBGA) package in an industrial-grade (I-suffix) temperature variant. A Field-Programmable Gate Array (FPGA) is a user-configurable integrated circuit whose internal logic is defined after manufacturing rather than fixed at the fab. Within the semiconductor hierarchy, an FPGA sits above fixed-function logic (CPLD, standard logic) and below ASICs in volume economics: it offers ASIC-like integration without mask costs or NRE. The Actel SX family uses a sea-of-modules architecture built on antifuse programmable interconnect, which is one-time programmable but keeps configuration data non-volatile and resistant to readback. Key differentiating specifications include 320 MHz internal toggle-class performance, 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup time, and 0.25 ns clock skew - timing figures that allow the SX32 to replace multi-chip CPLD/FPGA combinations and to implement 66 MHz PCI logic in a single-chip solution. The 0.35 um CMOS process supports dual 3.3V core / 5V tolerant I/O operation. Architecturally, the SX family's sea-of-modules structure eliminates the long routing delays typical of channel-based FPGAs, so timing is predictable and largely independent of placement. Because antifuse interconnect adds no configuration cell capacitance in the signal path, the device achieves performance-intensive operation at reduced power versus SRAM FPGAs of comparable capability, and its design is inherently secure since no bitstream is stored on chip. Typical applications include 66 MHz PCI bus interfaces, industrial control and automation, aerospace and defense logic integration (where the I-grade industrial variant is common), communications line cards, and single-chip glueless integration of previously discrete CPLD and FPGA functions. Design consideration: antifuse FPGAs are one-time programmable, so logic must be verified thoroughly in simulation with Actel (Microchip) Libero-style toolchains before programming; there is no in-system reconfiguration as with SRAM FPGAs. This page adds information gain over the manufacturer datasheet by consolidating distributor pricing context, same-footprint BGA variant alternatives from the Microchip SX family, engineering design notes, and an FAQ set optimized for quick engineering answers.

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A54SX32-CQ208 - 32K-Gate SX FPGA, CQFP-208 | Microchip Technology
A54SX32-CQ208

A54SX32-CQ208 - 32K-Gate SX FPGA, CQFP-208 | Microchip Technology

The Microchip Technology (Microsemi/Actel) A54SX32-CQ208 is a 32,000-gate antifuse FPGA from the SX family, built on 0.35 um technology with 1,800 logic cells, 2,880 logic modules, 174 user I/O pins, and system performance up to 205 MHz, housed in a 208-pin ceramic quad flat package (CQFP/BFCQFP with tie bar, 75x75 mm) and operating from dual 3.3 V and 5 V supplies in commercial temperature grade. A field-programmable gate array (FPGA) is a semiconductor device containing programmable logic blocks and interconnects that designers configure after manufacturing. The SX family sits in the broader hierarchy of FPGA -> programmable logic device -> digital IC, and specifically uses Actel's antifuse (one-time programmable) technology rather than SRAM configuration, which means the configuration is non-volatile, immediately active at power-up, and inherently resistant to configuration readback. Key features of the A54SX32-CQ208 include its sea-of-modules architecture, which delivers high gate utilization and predictable timing; dual-voltage operation (3.0 V to 3.6 V core/I/O and 4.75 V to 5.25 V for 5 V-tolerant systems); 174 programmable I/O pins supporting legacy 5 V interfaces; and the ceramic CQFP package with a tie bar, which provides excellent thermal and mechanical robustness for military-style and high-reliability sockets. The antifuse fabric also eliminates the need for external configuration storage such as flash or boot PROMs, reducing bill-of-material cost and board area. Technically, the SX architecture uses a sea-of-modules approach with combinable C-cells and R-cells, enabling dense pipelined designs at up to 205 MHz. Routing resources are rich and local, keeping interconnect delays short and predictable, which is why the SX family was widely adopted in performance-intensive data-path, glue-logic consolidation, and embedded control designs. Typical applications include industrial control systems, communications and networking equipment, aerospace test instrumentation, and legacy 5 V system upgrades where a non-volatile, instantly-on FPGA is required. When designing with this device, note that antifuse programming is one-time only: final logic must be verified in simulation before programming, and the dual-supply system requires careful power sequencing to avoid latch-up during mixed-voltage bring-up. This page synthesizes distributor pricing, drop-in same-package alternatives, practical design notes, and AEO-optimized FAQs not found in the manufacturer datasheet.

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A54SX32-CQ208B - 48K Gate Military FPGA 208-CQFP | Microchip
A54SX32-CQ208B

A54SX32-CQ208B - 48K Gate Military FPGA 208-CQFP | Microchip

The Microchip Technology (Microsemi) A54SX32-CQ208B is a 48,000-system-gate antifase FPGA from the SX family, offering 174 user I/O and up to 238 MHz system performance, housed in a 208-pin ceramic CQFP (BFCQFP with tie bar) package rated for military temperature ranges from -55C to +125C junction temperature. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing, sitting within the programmable logic hierarchy: FPGA -> programmable logic device -> digital integrated circuit -> semiconductor. The Actel SX family uses antifuse programming technology, meaning the configuration is one-time programmable (OTP) and retains its configuration permanently with no external configuration boot device required. Key features of the A54SX32-CQ208B include a sea-of-modules architecture that delivers high gate utilization and predictable timing, dual supply operation (3V to 3.6V core/I/O domain and 4.75V to 5.25V programming supply), 48,000 system gates equivalent to roughly 3,456 usable logic modules, and military-grade temperature qualification. The ceramic CQFP package with tie bar provides hermetic sealing, making the device suitable for high-reliability defense and aerospace environments where plastic-packaged commercial FPGAs are unacceptable. Technically, the SX architecture combines dedicated registers with combinatorial modules, enabling register-heavy pipelines at clock rates up to 238 MHz. Because antifuse interconnect has no SRAM configuration bitstream overhead, the device offers lower static power and inherent resistance to configuration upset compared with SRAM FPGAs, an important attribute in radiation-tolerant and secure system designs. Typical applications include military avionics glue logic and bus interfaces, spacecraft and missile electronics, industrial systems requiring secure one-time-programmable logic, and legacy design sustainer builds where the SX family was originally designed in. A key design consideration: this part is RoHS non-compliant due to lead-containing ceramic package terminations, so it is restricted to military and aerospace exemptions. This page synthesizes distributor availability data, drop-in family alternatives, and military-grade design notes not consolidated in the manufacturer datasheet.

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A54SX32-CQ208BX181 - SX FPGA 48K Gates 208-CQFP | Microchip
A54SX32-CQ208BX181

A54SX32-CQ208BX181 - SX FPGA 48K Gates 208-CQFP | Microchip

The Microchip Technology (Actel) A54SX32-CQ208BX181 is a member of the SX family of antifuse-based field-programmable gate arrays (FPGAs) offering 48,000 system gates in a 208-pin ceramic quad flat package (CQFP) with tie bar. The device delivers 320 MHz internal performance, 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup time, and 0.25 ns clock skew, and provides 174 usable programmable I/O pins. An FPGA (field-programmable gate array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together to implement custom digital hardware. Within the programmable logic hierarchy, the FPGA sits above CPLDs in gate count and functionality, and the SX family belongs to the broader category of one-time-programmable (OTP) antifuse FPGAs, positioned under programmable logic devices and logic ICs. Key features of the A54SX32-CQ208BX181 include the sea-of-modules architecture with 2,880 Rex modules (combinatorial and sequential logic cells), dual-voltage operation supporting core/IO supplies of 3.0 V to 3.6 V and 4.75 V to 5.25 V for mixed-voltage system integration, 100% resource utilization with 100% pin locking, and PCI compliance at 66 MHz. The antifuse fabric is inherently non-volatile and immediately active at power-up, requiring no configuration device, which improves security and simplifies the power supply design. Technically, the SX family uses a sea-of-modules architecture in which each module is a compact logic cell implementing both combinational and registered functions. Because routing is performed by sub-micron antifuse elements rather than SRAM pass gates, the device achieves ASIC-like speed and low power with very low switching noise, while remaining reprogrammable at the device level only in the sense of one-time programming at programming time. Typical applications include high-reliability and long-lifecycle systems such as industrial control, avionics and defense platforms, communications infrastructure glue logic, and bus-interface bridging where 66 MHz PCI integration and single-chip logic consolidation are required. A key design consideration is that antifuse FPGAs are one-time programmable: the design must be fully verified before programming, and engineering changes require new devices. Dual-supply systems must respect power-up sequencing between the 3.3 V and 5.0 V rails per the manufacturer datasheet. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, providing information gain for engineers evaluating the A54SX32-CQ208BX181.

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A54SX32-CQ256 - 32K-Gate SX FPGA, 256-CQFP | Microsemi
A54SX32-CQ256

A54SX32-CQ256 - 32K-Gate SX FPGA, 256-CQFP | Microsemi

The Microsemi (Microchip) A54SX32-CQ256 is a 32,000-gate SX-family FPGA built on a sea-of-modules architecture, offering 203 user I/O in a 256-pin ceramic CQFP (BFCQFP with exposed pad and tie bar) package. This antifuse-programmable FPGA delivers ASIC-like integration levels with deterministic performance for high-reliability applications. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks and programmable interconnects that the designer wires together after manufacturing, sitting in the hierarchy between fixed-function ASICs and general-purpose microcontrollers. The Actel/Microchip SX family uses a sea-of-modules architecture built around C-cells and R-cells in a patented metal-to-metal antifuse programming technology, which yields fast, predictable interconnect and non-volatile configuration without external boot memories. Key features include 32,000 system gates, 203 available user I/O, and the rugged ceramic CQFP-256 package rated for demanding environments. Antifuse programming provides instant-on configuration, immunity to configuration upsets relative to SRAM FPGAs, and no external configuration PROM, reducing BOM count and board space. The architecture simplifies timing closure, enabling dramatic reductions in design time and time to market for performance-intensive designs. The SX sea-of-modules structure places logic modules in a dense regular array with segmented routing, achieving system speeds well into the hundreds of megahertz range with short, deterministic delays. Design entry is performed in Microchip/Lattice-class synthesis flows targeting Actel SX devices, with the deterministic antifuse fabric easing timing sign-off compared to SRAM FPGA re-routing exercises. Typical applications include aerospace and defense logic integration, industrial control glue logic, communications bridge logic, and high-reliability embedded systems where configuration persistence and radiation-tolerant-adjacent packaging heritage matter. The ceramic CQFP package with exposed pad and tie bar supports socketed or soldered mounting with strong mechanical and thermal characteristics. Design consideration: verify both the 3V~3.6V core and 4.75V~5.25V I/O supply domains in your power tree, and plan for one-time programming - functional changes require a new device. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX32-CQ256B - 48K Gate Military FPGA, 203 I/O | Microsemi
A54SX32-CQ256B

A54SX32-CQ256B - 48K Gate Military FPGA, 203 I/O | Microsemi

The Microsemi Corporation A54SX32-CQ256B is a 48,000-gate SX-family FPGA delivering 203 user I/O in a 256-pin ceramic CQFP (256-BFCQFP, 75x75 mm) package with exposed pad and tie bar. An FPGA (Field Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer programs to implement custom digital circuits. In the programmable-logic hierarchy, the A54SX32 belongs to the Actel SX antifuse FPGA family, positioned as a one-time-programmable (OTP), radiation-robust alternative to SRAM-based FPGAs. Because antifuse configuration is non-volatile and stored within the silicon, SX devices require no external configuration PROM and offer inherent resistance to configuration upset - key reasons they persist in aerospace and defense platforms. Key features include 32K system gates with 2880 logic array blocks, a 0.35 um CMOS process, and system performance up to approximately 205 MHz. The dual-supply architecture operates core and I/O from 3V to 3.6V and 4.75V to 5.25V, supporting mixed 3.3V/5V system environments. The C grade (military temperature) suffix of the -CQ256B version supports a junction temperature range of -55C to +125C, making it suitable for high-reliability defense, avionics, and space-adjacent industrial applications where commercial FPGAs cannot survive. Typical applications include military avionics bus interfaces, radiation-tolerant satellite payload glue logic, secure weapons-system control logic, and industrial systems requiring 5V-tolerant I/O and OTP security. Design consideration: antifuse FPGAs are one-time programmable - fix your design before programming, and budget die access for Libero/Designer toolchain flows during prototyping. This page synthesizes distributor stock data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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