A54SX32-TQG144 - 48K-Gate Antifuse FPGA, 144-TQFP | Microchip
MPN: A54SX32-TQG144 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1703.75 | $1,703.75 |
| 10 | $1618.56 | $16,185.60 |
| 100 | $1537.63 | $153,763.00 |
| 500 | $1460.75 | $730,375.00 |
| 1,000 | $1387.71 | $1,387,710.00 |
Drop-in alternatives for A54SX32-TQG144 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-1TQG144
β Drop-Inβ In Stock
$48.1 / Unit
View Datasheet βA54SX32-2TQG144I
β Drop-Inβ In Stock
$45.6 / Unit
View Datasheet βA54SX32-TQG144I
β Drop-Inβ In Stock
$32.3 / Unit
View Datasheet βA54SX32A-TQG144M
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-1TQG144M
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-2TQG144I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32-TQG144 Maximum Ratings & Electrical Characteristics
| System Gates | 48000 gates |
| Logic Modules | 2880 |
| User I/O | 113 |
| Family | Actel SX (antifuse FPGA) |
| Supply Voltage | 3.3 V |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Program Type | One-Time Programmable (antifuse) |
| Architecture | Sea-of-modules |
| Package | 144-LQFP (TQFP) |
| Mounting Type | Surface Mount |
| Configuration Memory | None required (non-volatile antifuse) |
| Maximum User I/O Count | 113 |
| RoHS Status | unknown |
| Maturity | Mature / Not recommended for new designs |
A54SX32-TQG144 144-lqfp (tqfp) Pin Configuration Guide
Complete pinout information for A54SX32-TQG144 (144-lqfp (tqfp) 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-TQG144.
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-TQG144 is suitable for 6 applications: High-Speed Glue Logic Integration, Defense and Aerospace Electronics, Telecom Line-Card Control, Industrial Control and Automation, Test and Measurement Instrumentation, Coprocessor and Algorithm Acceleration.
High-Speed Glue Logic Integration
The A54SX32-TQG144 fits bus-bridging and glue-logic consolidation because its antifuse fabric provides gate-level routing delays far below SRAM FPGA segmented interconnect. The 48K-gate capacity and 113 user I/O let engineers replace dozens of 74-series devices with a single 144-TQFP chip, cutting board area and power. Because configuration is hard-wired, the logic is active within nanoseconds of power application - an advantage over configuration-loading SRAM FPGAs in systems with tight reset timing. Designers should reserve routing headroom for late changes since the device is one-time programmable.
Recommended
Defense and Aerospace Electronics
Antifuse FPGAs like the A54SX32-TQG144 are a classic choice for defense systems because the programmed configuration cannot be read out or disturbed by single-event upsets, and no configuration bit-stream exists to intercept. The instant-on behavior matters in fuze, telemetry, and payload-control circuits that must be functional immediately at power-up. The 3.3V, low-routing-capacitance sea-of-modules fabric supports high clock rates in compact 144-TQFP packaging. Microchip's radiation-tolerant RTAX lines (e.g., RTAX2000S) extend this philosophy for higher-assurance programs.
Recommended
Telecom Line-Card Control
Telecom line cards need deterministic, low-latency control logic for framing, alarm aggregation, and backplane handshaking - tasks where the A54SX32-TQG144's 48K gates and 113 I/O map naturally. The antifuse architecture eliminates configuration time at hot-swap events, and its low dynamic power reduces thermal load in high-density shelves. The 3.0V-3.6V supply range tolerates backplane 3.3V rail tolerance. Legacy central-office equipment sustaining programs rely on this exact device class; verify remaining stock before scheduling board respins.
Recommended
Industrial Control and Automation
In industrial controllers, the A54SX32-TQG144 consolidates state machines, encoders/decoders, and interface logic that previously occupied multiple PAL/GAL devices. Instant-on operation means the control plane is live before any processor boots, improving safety and watchdog behavior. The 3.3V TQFP-144 device withstands the 3.0V-3.6V industrial supply variation, and one-time programmability prevents field tampering of control logic. Because the SX family is EOL, new industrial designs should consider pin-compatible SX-A stock or modern Microchip FPGA families while existing systems sustain on remaining inventory.
Recommended
Test and Measurement Instrumentation
Test instruments use high-speed sequencing, trigger, and timing-generation logic where deterministic sub-ns delays matter; the A54SX32-TQG144's antifuse fabric delivers that determinism because routing is fixed at programming time. The 48K-gate capacity hosts counters, trigger comparators, and bus interfaces around a 113-I/O perimeter for probe and display connections. Permanent configuration also ensures instruments behave identically unit-to-unit - valuable for calibration traceability. Estimate timing margins with the manufacturer timing model before fixing the design, since no post-programming changes are possible.
Recommended
Coprocessor and Algorithm Acceleration
Embedded systems offload compute-intensive fixed-function kernels - CRC engines, filters, address generators - to the A54SX32-TQG144, whose gate-level paths outperform contemporary SRAM FPGAs of similar gate count. The device runs entirely from a 3.3V rail with low quiescent overhead, suiting embedded boards without dedicated power sequencing. As a coprocessor beside a microcontroller such as the MSP430FR5994, it handles the high-rate datapath while firmware manages configuration-independent supervisory tasks. Reserve I/O and logic headroom because the antifuse fabric cannot be reprogrammed in the field.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-TQG144 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-1TQG144 | A54SX32-2TQG144I | A54SX32A-TQG144M | A54SX32A-1TQG144M |
|---|---|---|---|---|---|
| Package | 144-LQFP (TQFP) | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 32000 (SX-A class) | 32000 (SX-A class) |
| Logic Modules / Cells | 2880 | 2880 | 2880 | 1800 cells | 1800 cells |
| User I/O | 113 | 113 | 113 | [DATA_NEEDED] | [DATA_NEEDED] |
| Supply Voltage | 3.3 V (3.0-3.6 V) | 3.3 V | 3.3 V | 2.5 V class | 2.5 V class |
| Speed Grade | Standard (commercial) | -1 | -2 (faster) | standard SX-A | -1 |
| Temperature Range | Commercial | Commercial | Industrial | Commercial | Commercial |
| Family / Lifecycle | SX - EOL | SX - EOL | SX - EOL | SX-A - mature | SX-A - mature |
Key Differentiators
- Highest-speed logic fabric among SX/TQFP-144 same-footprint options (vs A54SX32A-1TQG144M)
- Industrial temperature availability in the same footprint (vs A54SX32-1TQG144)
- No configuration device required (vs A54SX32A-TQG144M)
- Honest trade-off: EOL status raises sourcing risk (vs A54SX32-2TQG144I)
Design Notes
The A54SX32-TQG144 is one-time programmable. Once the antifuse array is programmed, the device cannot be erased or updated - there is no field upgrade path. Complete full functional simulation, timing closure with the manufacturer's timing-driven place-and-route (Designer software) reports, and hardware prototype verification on an engineering device before programming production units. Always reserve 15-20% spare logic and I/O capacity for late engineering changes, because a design revision on a programmed part requires a new device.
Power the device from a 3.3V rail held within the 3.0V to 3.6V range. Estimated: dynamic power in antifuse FPGAs scales with f * C * V^2, and the low routing capacitance of the sea-of-modules fabric keeps C small, but decouple each VCC/GND pair with 0.1uF ceramics placed within 2 mm of the package pins, plus bulk 10uF per supply rail. Because the part is instant-on, ensure the supply rail is clean at first power application - the logic is active before processors release reset.
The 144-LQFP (0.5 mm lead pitch typical for this package family) requires a fine-pitch QFP land pattern per the datasheet package drawing; verify the exact body and pitch dimensions against the package section of the 54SX datasheet before generating the footprint. Keep high-speed I/O routed short with controlled impedance where buses exceed roughly 50 MHz, and distribute ground vias around the package perimeter for return-current paths. Program pins must be wired per the datasheet programming circuit.
Migration between the SX and SX-A families on the same TQFP-144 footprint is footprint-compatible but NOT electrically identical: SX-A uses a 0.25um process with different DC/AC parameters and 2.5V-class characteristics per FindIC data. Re-run timing analysis with the destination family's library, re-check I/O standards and voltage tolerance, and re-verify power budgets before any substitution in an existing PCB assembly.
Compliance Information
Compliance data was not present in the retrieved web data for this EOL part. The SX family predates modern lead-free conversion in some speed/package combos; request compliance certificates from the distributor at order time.
