A54SX32-TQG144I - 32K Gate FPGA 240MHz TQFP-144 | Microchip
MPN: A54SX32-TQG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $44.2 | $442.00 |
| 100 | $39.8 | $3,980.00 |
| 500 | $35.9 | $17,950.00 |
| 1,000 | $32.3 | $32,300.00 |
Drop-in alternatives for A54SX32-TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-1TQG144I
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View Datasheet →A54SX32-2TQG144I
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$45.6 / Unit
View Datasheet →A54SX32-TQG144
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$1387.71 / Unit
View Datasheet →A54SX32A-2TQG144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-TQ144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-TQG144I Maximum Ratings & Electrical Characteristics
| Family | Actel SX (SX-A compatible series) |
| Equivalent Gate Count | 32000 gates |
| Logic Cells / Modules | 1800 cells |
| Maximum Toggle Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| User I/O | 113 |
| Supply Voltage | 3.3 V / 5 V |
| Package | 144-pin TQFP (TQG144) |
| Terminal Pitch | 0.5 mm |
| Mounting Style | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, I suffix) |
| Programmable Type | One-Time Programmable (antifuse) |
| Architecture | Sea-of-modules |
| Lead Free | Yes (G suffix, per distributor data) |
| RoHS Status | Compliant (LEAD FREE per distributor listing) |
| Configurable Logic Blocks | 2880 (CLBs, per Microchip USA data) |
A54SX32-TQG144I 144-pin tqfp (tqg144) Pin Configuration Guide
Complete pinout information for A54SX32-TQG144I (144-pin tqfp (tqg144) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX32-TQG144I.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
A54SX32-TQG144I is suitable for 6 applications: Industrial Control and Automation, Telecommunications Line-Card Glue Logic, Aerospace and Defense Subsystems, Test and Measurement Equipment, Legacy 5V System Integration, Configuration-Secure Embedded Systems.
Industrial Control and Automation
The A54SX32-TQG144I fits industrial sequencers, PLC I/O interfaces, and motion-control glue logic because its 113 user I/O and 240 MHz toggle capability handle wide parallel buses and fast state machines in a single device. The industrial -40C to +85C rating covers unconditioned factory-floor cabinets, and the antifuse configuration cannot be disturbed by electrical noise or brownouts, a key reliability benefit over SRAM FPGAs that reload from external flash. Implemented between a microprocessor and dense TTL peripheral logic, it collapses dozens of discrete devices into the 144-pin TQFP, cutting board area and power. Designers trade away field reprogrammability, so logic must be frozen at production with verified Libero design files.
Recommended
Telecommunications Line-Card Glue Logic
Telecom line cards historically used the SX family to bridge backplane buses, implement HDLC framing assists, and manage framer-to-processor handoff. The A54SX32-TQG144I's sea-of-modules fabric gives ASIC-like routing delays, so wide parallel paths between a framer and a network processor meet line-rate timing at a fraction of ASIC NRE cost. The 3.3V/5V I/O compatibility eases integration with legacy 5V backplanes common in installed equipment, and instant-on antifuse configuration means the card is operational within microseconds of power application with no configuration-load window. The compact 0.5 mm pitch TQFP-144 suits high-density card layouts where vertical space is constrained by shelf pitch.
Recommended
Aerospace and Defense Subsystems
Actel antifuse FPGAs are a staple of defense electronics because the programmed fabric is immune to configuration upset from radiation-induced single events and cannot be read out by adversaries. The A54SX32-TQG144I implements bus interfaces, voting logic, and telemetry encoders in avionics and ground-based systems where a standard-industrial temperature part is acceptable. Its one-time-programmable nature also provides supply-chain assurance: the design is physically fixed at the authorized programmer, preventing bitstream tampering. At 32K gates the device targets medium-density control and interface functions rather than heavy DSP, which in this era was offloaded to dedicated processors; the SX-A family offers a lower-voltage migration path.
Recommended
Test and Measurement Equipment
Bench instruments and ATE modules use the A54SX32-TQG144I for timing generators, trigger logic, and counters where deterministic sub-microsecond response is required. The 240 MHz toggle rate and low routing variability of the antifuse fabric let engineers close timing on clocked measurement paths without the jitter uncertainty of reconfigurable fabrics. The 113 I/O support wide status, address, and data muxing between instrument front ends and a host CPU, replacing cables of 74-series devices. Because calibration constants live in external nonvolatile memory rather than FPGA logic, the frozen FPGA configuration is not a maintenance burden. The TQFP package also simplifies rework on prototype fixtures compared with ball-grid alternatives.
Recommended
Legacy 5V System Integration
Many installed industrial and transport systems still run 5V logic rails. The A54SX32-TQG144I's 3.3V/5V supply scheme and tolerant I/O make it one of the few current-generation-programmable options that bridges new controller boards into those environments without level-shifting banks. Designers place it between a legacy 5V backplane connector field and 3.3V processor sections, using the FPGA to absorb voltage-domain translation, bus multiplexing, and handshaking in one package. Antifuse instant-on operation matters here because legacy systems frequently lack controlled power-supply sequencing and reset supervision; the FPGA is functional immediately at power-up, avoiding configuration-load failures seen with SRAM devices on unsequenced rails.
Recommended
Configuration-Secure Embedded Systems
Anti-counterfeiting and firmware-protection designs leverage the antifuse device's inherent security: once programmed, the A54SX32-TQG144I logic cannot be read back, dumped, or rewritten, unlike SRAM FPGAs whose bitstreams sit in external flash and are vulnerable to cloning. Embedded products facing reverse-engineering risk, such as licensed peripherals and pay-per-use modules, implement authentication state machines, key comparison, and lockout logic inside the antifuse fabric. Combined with a host MCU that holds the runtime secrets, the FPGA enforces boot-time attestation with zero software attack surface. The industrial temperature grade and small 144-pin footprint allow embedding the security block on the same compact production board.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-1TQG144I | A54SX32-2TQG144I | A54SX32-TQG144 | A54SX32A-2TQG144I |
|---|---|---|---|---|---|
| Package | TQFP-144 (TQG144) | TQFP-144 (TQG144) - same | TQFP-144 (TQG144) - same | TQFP-144 (TQG144) - same | TQFP-144 (TQG144) - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent Gate Count | 32000 gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates |
| Speed Grade | Standard (-T) | -1 (slower) | -2 (faster) | Standard (-T) | -2 (SX-A faster fabric) |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | Commercial (0C to +70C class) | -40C to +85C (I) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 2.5 V |
| User I/O | 113 | 113 | 113 | 113 | 113 |
| Process Technology | 0.35 um CMOS | 0.35 um CMOS | 0.35 um CMOS | 0.35 um CMOS | 0.25 um CMOS |
Key Differentiators
- Antifuse configuration security and instant-on operation (vs A54SX32A-2TQG144I)
- Speed-grade flexibility on the same footprint (vs A54SX32-1TQG144I)
- Industrial temperature rating (vs A54SX32-TQG144)
Design Notes
The A54SX32-TQG144I operates from 3.3V/5V supplies. Estimated: antifuse FPGAs draw negligible static current since there is no configuration SRAM, but dynamic power scales with toggle rate and load capacitance per the SX family power equation. Budget decoupling with at least 0.1 uF ceramic per supply pin group plus bulk capacitance at the board entry. Verify per-rail current against the SX family datasheet DC characteristics for your specific utilization and clock frequency before finalizing the power supply.
This is a one-time-programmable antifuse device: once programmed at production, the logic cannot be changed or read back. Freeze the Libero place-and-route design, run timing sign-off on the correct speed grade (-T vs -1 vs -2), and program a pilot quantity before committing the batch. Also note that user I/O assignments are fixed at programming - last-minute pin changes require new devices, unlike SRAM FPGAs that can be reflashed.
The TQFP-144 uses a 0.5 mm lead pitch; specify a 0.25 mm-wide stencil aperture-aligned footprint per the mechanical drawing in the SX family datasheet and inspect with X-ray or AOI to catch solder bridging. Keep high-speed clock routing short with series termination near the driver to control ringing, since the fast antifuse fabric will faithfully propagate edge rates that longer SRAM-FPGA fabrics would attenuate.
With 113 user I/O and 240 MHz toggle capability, ground bounce becomes visible when many outputs switch simultaneously. Estimated: stagger output switching by distributing banks across the four package sides and assign return grounds adjacent to high-drive outputs. Use the lowest drive-strength I/O option that meets timing, and add local 0.01-0.1 uF decoupling at each package side for simultaneous-switching noise control.
Compliance Information
Distributor listings (PCB Electronics) mark A54SX32-TQG144I as LEAD FREE; G suffix indicates green/lead-free package. REACH, halogen-free, and conflict-minerals status not stated in provided data.
