A54SX32-TQG144M - SX FPGA 48K Gates 113 I/O | Microchip
MPN: A54SX32-TQG144M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1703.75 | $1,703.75 |
| 10 | $1703.75 | $17,037.50 |
| 100 | $1703.75 | $170,375.00 |
| 500 | $1703.75 | $851,875.00 |
| 1,000 | $1703.75 | $1,703,750.00 |
Drop-in alternatives for A54SX32-TQG144M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32A-TQG144M
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A54SX32-TQG144I
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$32.3 / Unit
View Datasheet →A54SX32-2TQG144I
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$45.6 / Unit
View Datasheet →A54SX32-1TQG144I
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View Datasheet →A54SX32-TQG144
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$1387.71 / Unit
View Datasheet →A54SX32-1TQG144
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View Datasheet →A54SX32-TQG144M Maximum Ratings & Electrical Characteristics
| Family | Actel SX (SX-A compatible family) |
| System Gates | 48K |
| Logic Cells | 1800 |
| Number of I/O | 113 |
| Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| Maximum Toggle Frequency | 238 MHz |
| Package | 144-TQFP (LFQFP), square, gull-wing |
| Mounting Type | Surface Mount |
| Temperature Grade | Military (M suffix) |
| Programming Technology | Antifuse (one-time programmable) |
| Lead Free | Yes (G suffix, lead-free per Mouser listing) |
| Terminal Form | Gull Wing |
| Number of Terminals | 144 |
| RoHS Status | Compliant (LEAD FREE per distributor listings) |
| Configuration | Non-volatile, no external configuration PROM required |
A54SX32-TQG144M 144-tqfp (lfqfp), square, gull-wing Pin Configuration Guide
Complete pinout information for A54SX32-TQG144M (144-tqfp (lfqfp), square, gull-wing 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-TQG144M.
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-TQG144M is suitable for 6 applications: Military and Aerospace Embedded Control, Industrial Automation and Motion Control, Communications Interface Bridging, ASIC Prototyping and Low-Volume Emulation, Secure Boot and Design Protection, Avionics and Instrumentation Data Acquisition.
Military and Aerospace Embedded Control
The A54SX32-TQG144M fits military embedded control because its M-suffix military temperature screening, antifuse instant-on boot, and non-readable non-volatile fabric directly address harsh-environment reliability and anti-tamper requirements. With 48K system gates and 113 user I/O in a 144-TQFP, it integrates MIL-STD-style bus interfaces, discrete I/O conditioning, and state-machine control that would otherwise need multiple SSI/MSI devices. How it is used: designers implement the control fabric between a processor and mission interfaces, with the FPGA initializing instantly at power-up (no configuration PROM) and holding no readable bitstream, reducing reverse-engineering risk. The 2.5V core and 0.25 um CMOS process keep static power low for battery- or conduction-cooled platforms. Trade-off: one-time programming requires locked-down, fully verified designs before production assembly.
Recommended
Industrial Automation and Motion Control
For industrial automation, the A54SX32-TQG144M provides glueless integration of encoder interfaces, PWM generators, and safety interlock logic at deterministic speeds up to the SX family's 238 MHz class toggle performance. The 113 user I/O accommodate multi-axis encoder inputs, limit switches, and actuator drives without external fanout logic, and the 144-TQFP gull-wing package assembles on standard SMT lines. How it is used: the antifuse fabric implements fixed, verified control logic that boots instantly at machine power-up, eliminating configuration-loading delays that cause conveyor or robot start-up latency. The 2.5V core keeps cabinet power budgets modest. Trade-off: industrial users not needing military screening can select the pin-identical A54SX32-TQG144I for lower cost with the same 48K-gate capacity and footprint.
Recommended
Communications Interface Bridging
The A54SX32-TQG144M suits communications bridge designs where multiple protocol interfaces - serial links, backplane buses, and timing strobes - must be interconnected with predictable, low-skew timing. The SX sea-of-modules architecture delivers ASIC-like routing delays, supporting timing-critical protocol translation at speeds approaching the family's 238 MHz performance class, while 113 I/O cover multi-port implementations in a single 144-TQFP. How it is used: placed between line cards and a backplane controller, the FPGA performs data-path multiplexing, framing, and error checking; the antifuse fabric's fixed delays simplify static timing closure versus SRAM FPGAs whose routing varies with configuration. Trade-off: capacity is fixed at 48K system gates, so protocol additions after programming require new silicon.
Recommended
ASIC Prototyping and Low-Volume Emulation
The A54SX32-TQG144M serves ASIC prototyping where a gate-array-class 48K system gates of fixed logic must be emulated with production-like timing. Antifuse routing delays are deterministic and resemble gate-array characteristics more closely than SRAM FPGA delays, giving timing estimates closer to final ASIC behavior. How it is used: a verified RTL design is mapped into the 1800-cell fabric, and the programmed device stands in for the ASIC in system benches; the 144-TQFP socket-friendly footprint supports swap-based iteration using multiple pre-programmed parts. The 2.5V operation matches legacy core-logic voltages in older design flows. Trade-off: each iteration consumes a new device (one-time programmable), so development economics favor debugging in simulation before any burn.
Recommended
Secure Boot and Design Protection
Design security is a primary reason to select the A54SX32-TQG144M: antifuse programming creates permanent, non-readable connections, and there is no bitstream to intercept, clone, or modify - unlike SRAM FPGAs whose configuration image is exposed at every boot. How it is used: proprietary IP such as encryption keys in logic, authentication state machines, or copy-protection logic is implemented in the 48K-gate fabric; the device powers up instantly in a secure state with no external configuration PROM that could be probed. The military-grade screening of the TQG144M adds supply-chain assurance for defense programs. Trade-off: lost or damaged programmed devices cannot be reprogrammed, so spare programmed inventory must be budgeted.
Recommended
Avionics and Instrumentation Data Acquisition
In avionics and test instrumentation, the A54SX32-TQG144M implements deterministic data-acquisition sequencers, ADC/DAC interface timing, and trigger logic where jitter and boot behavior are critical. The sea-of-modules fabric provides consistent routing delays across units, supporting channel-to-channel timing match in multi-card systems, and the instant-on antifuse boot means the acquisition system is armed the moment power arrives - no configuration load window that could miss transients. How it is used: the 113 I/O drive converter buses, sample clocks, and status lines within one 144-TQFP, while 2.5V core operation limits card-level power. Trade-off: verify that the fixed 48K-gate capacity covers all instrumentation modes before committing to production programming.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-TQG144M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-TQG144M | A54SX32-TQG144I | A54SX32-2TQG144I | A54SX32-TQG144 |
|---|---|---|---|---|---|
| Package | 144-TQFP (LFQFP, gull wing) | 144-LQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48K | 48K (32K gates / 1800 cells) | 48K | 48K | 48K |
| User I/O | 113 | 113 | 113 | 113 | 113 |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Military (M) | Military (M) | Industrial (I) | Industrial (I) | Commercial/standard |
| Speed Grade | Standard | SX-A speed grades (faster) | Standard | Speed grade 2 (faster) | Standard |
| Lead Finish | Lead free (G suffix) | Lead free (G suffix) | Lead free (G suffix) | Lead free (G suffix) | Standard finish |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Military temperature screening with antifuse security (vs A54SX32-TQG144I)
- Migration path to faster SX-A silicon on identical footprint (vs A54SX32A-TQG144M)
- Instant-on boot versus SRAM FPGAs (vs A54SX32-TQG144I)
Design Notes
The A54SX32-TQG144M is one-time programmable: antifuse links cannot be erased, reworked, or verified after burn. Complete full functional simulation, static timing closure, and hardware bench validation of the design (using the same-die industrial variants such as A54SX32-TQG144I for development) before committing military-grade parts to programming. Reserve at least one unprogrammed spare per production lot for field-failure forensics, since programmed devices are unreadable and unrecoverable.
The 144-TQFP (0.5 mm-pitch LFQFP class) requires careful land-pattern design per Microchip's package mechanical drawing in the 54SX datasheet. Place 0.1 uF ceramic decoupling capacitors at all VCC/VCCA pins, as close to each supply pin as routing allows, plus bulk 10 uF capacitance at the board entry point. The gull-wing leads support standard SMT reflow; inspect with X-ray or AOI given the fine pitch. Thermal relief is generally adequate for the low static power of the antifuse fabric at 2.5 V.
The SX family operates from a 2.5 V core, a legacy low-voltage rail; ensure your board's power supply provides a clean, well-regulated 2.5 V with sequencing compatible with surrounding legacy 3.3 V and 5 V-tolerant interface circuitry. Verify I/O bank voltage requirements against the datasheet before connecting 5 V-era peripherals. Because antifuse FPGAs draw negligible static configuration power and no boot current surge (no configuration load), supply sizing is driven mainly by dynamic switching activity at up to the 238 MHz performance class.
The SX sea-of-modules fabric offers deterministic, ASIC-like routing delays, which simplifies timing closure, but the 113 available I/O should be assigned early with input register placement to minimize setup/hold issues on high-speed interfaces. Match trace lengths for clocked bus groups leaving the TQFP-144, and series-terminate lines driving long backplane runs. Source-synchronous interfaces benefit from using the R-cell (sequential) registers near the I/O modules.
Compliance Information
Mouser listings identify A54SX32-TQG144M as LEAD FREE. Military-grade part (M suffix); AEC-Q100 not applicable. Obtain formal REACH/halogen-free/conflict-minerals statements from Microchip compliance documentation.
