A54SX16P-1TQG144I - SX FPGA 16K Gates 113 I/O | Microsemi
MPN: A54SX16P-1TQG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.2 | $632.00 |
| 100 | $57.8 | $5,780.00 |
| 500 | $52.4 | $26,200.00 |
| 1,000 | $47.9 | $47,900.00 |
Drop-in alternatives for A54SX16P-1TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-2TQG144I
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View Datasheet →A54SX16P-2TQG144
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View Datasheet →A54SX16P-1TQG144
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View Datasheet →A54SX32-TQG144I
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$32.3 / Unit
View Datasheet →A54SX32-2TQG144I
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View Datasheet →A54SX16P-1TQG144I Maximum Ratings & Electrical Characteristics
| Family | Actel SX |
| System Gates | 16000 gates |
| Logic Cells (Modules) | 924 cells |
| Number of I/O | 113 |
| Maximum Operating Frequency | 280 MHz |
| Process Technology | 0.35 um |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| Programming Technology | Antifuse (one-time programmable) |
| Speed Grade | -1 |
| Package | 144-TQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| Architecture | Sea-of-modules |
| Series | SX |
| RoHS Status | unknown |
| Configuration Storage | Non-volatile (antifuse), no boot PROM required |
A54SX16P-1TQG144I 144-tqfp (20x20 mm) Pin Configuration Guide
Complete pinout information for A54SX16P-1TQG144I (144-tqfp (20x20 mm) 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 A54SX16P-1TQG144I.
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
A54SX16P-1TQG144I is suitable for 6 applications: Industrial Automation and Motor Control, 5V Legacy Board Redesign and Obsolescence Management, Processor Bridge and Interface Logic, High-Reliability Control Systems, Test and Measurement Instrumentation, Telecom and Networking Line-Card Glue.
Industrial Automation and Motor Control
The A54SX16P-1TQG144I fits industrial control boards that must merge 5V-tolerant field I/O with 3.3V controller logic. Its dual-rail operation (3.0V-3.6V core, 4.75V-5.25V I/O) allows direct connection to legacy 5V TTL sensors, encoders, and PLC backplanes without external level translators, while the -1 speed grade's 280 MHz capability easily covers PWM generation, quadrature decoding, and interlock logic. The antifuse fabric is instant-on at power-up, so safety interlocks and watchdog logic are active within nanoseconds - important for machinery that must not wait for a configuration load. With 924 logic cells and 113 I/O, one device typically absorbs counters, state machines, and bus glue that would otherwise occupy several PLDs, cutting BOM count and board area in the 20x20 mm TQFP footprint.
Recommended
5V Legacy Board Redesign and Obsolescence Management
When an obsolete programmable logic device must be replaced on a 5V industrial or telecom board, the A54SX16P-1TQG144I is a strong candidate because the 'P' variant tolerates a 4.75V-5.25V I/O rail directly - most modern SRAM FPGAs cannot. Designers consolidate retired 22V10, PAL, or CPLD functions into the 16K-gate SX fabric, reusing the existing 144-TQFP land pattern where the footprint matches. The antifuse configuration is stored in silicon, so no boot flash replacement is needed and there is no configuration readback path that could expose legacy IP. The industrial -40C to +85C rating covers unconditioned factory environments. The main constraint is one-time programmability: retargeted logic must be fully verified in Libero before programming, since no field rework is possible after the antifuses are burned.
Recommended
Processor Bridge and Interface Logic
The A54SX16P-1TQG144I is widely used as bridge logic between microprocessors and peripherals: bus arbitration, address decoding, wait-state generation, and parallel-to-serial adaptation. The fine-grained sea-of-modules architecture gives predictable, ASIC-like routing delays, which simplifies meeting setup and hold windows on wide parallel buses, and the 113 I/O accommodates 32-bit or wider data paths plus control strobes. Because the fabric is non-volatile, the bridge is functional before the processor finishes reset, satisfying systems that sample straps or execute early boot code. The -1 speed grade supports toggle rates to 280 MHz, far above typical legacy bus frequencies (25-66 MHz), providing large timing margin. In mixed 3.3V/5V backplanes, the dual supply rails let one device interface to both voltage domains without translation buffers.
Recommended
High-Reliability Control Systems
Antifuse FPGAs such as the A54SX16P-1TQG144I have historically been favored in high-reliability and long-lifecycle systems: avionics-adjacent instrumentation, railway signaling, energy metering, and medical equipment control. Two properties drive this choice. First, the non-volatile antifuse configuration has no configuration-memory upset mode and no bitstream reload at power-up, so the device behaves deterministically from the first microsecond. Second, Actel/Microchip supports long product lifecycles for industrial-programmed parts, easing 10-20 year sustainment programs. The industrial temperature range of -40C to +85C suits sealed enclosures without forced air. Designers should complement the hardware choice with rigorous up-front simulation because the one-time-programmable fabric prevents in-field firmware updates; for designs needing refresh capability, a same-capacity SRAM FPGA with a redundancy scheme is the alternative.
Recommended
Test and Measurement Instrumentation
Bench instruments, ATE boards, and data-acquisition backplanes use the A54SX16P-1TQG144I as timing-controller and capture-logic fabric. The 280 MHz toggle capability supports fast state machines for strobe generation and edge-detection pipelines, while 924 logic cells hold counters, comparators, and trigger engines. The 113 user I/O pins interface to ADC parallel buses, relay matrices, and front-panel logic across both 3.3V and 5V domains thanks to the dual supply operation of the P-variant. Instant-on antifuse configuration means measurement sequencing logic is ready before host software loads, simplifying self-test at power-up. The 20x20 mm TQFP with surface-mount leads also eases rework on instrument prototypes. Where deterministic trigger latency matters, the ASIC-like predictable routing of the SX fabric gives more repeatable delays than fine-pitch SRAM FPGA routing.
Recommended
Telecom and Networking Line-Card Glue
Legacy telecom line cards and network interface boards frequently pair the A54SX16P-1TQG144I with 5V-tolerant line-side circuitry: the P-variant's 4.75V-5.25V I/O rail connects directly to E1/T1 framers, relays, and alarms, while the 3.0V-3.6V core domain talks to 3.3V backplane ASICs. Typical HDL content includes framer interfacing, HDLC-lite framing, clock-divide chains, and LED/alarm multiplexing, all comfortably within 16K gates and 924 cells. The antifuse fabric's low dynamic power helps in cards with high channel density, and its non-volatile configuration guarantees the card reports ready state immediately upon shelf insertion, meeting hot-swap presentation requirements. The industrial temperature rating covers outside-plant cabinets. Designs exceeding 924 cells can drop in the footprint-compatible A54SX32-TQG144I without PCB change.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-1TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-2TQG144I | A54SX16P-1TQG144 | A54SX32-TQG144I | A54SX32-2TQG144I |
|---|---|---|---|---|---|
| Brand | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| Package | 144-TQFP (TQG144, 20x20 mm) | 144-TQFP - same footprint | 144-TQFP - same footprint | 144-TQFP - same footprint | 144-TQFP - same footprint |
| System Gates | 16000 gates | 16000 gates | 16000 gates | 32000 gates | 32000 gates |
| Logic Cells | 924 cells | 924 cells | 924 cells | ~1800 cells | ~1800 cells |
| Speed Grade | -1 | -2 (faster) | -1 (same) | standard | -2 (faster) |
| User I/O | 113 | 113 | 113 | 113 (TQG144) | 113 (TQG144) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Supply Voltage | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | [DATA_NEEDED] | [DATA_NEEDED] |
| Programming Technology | Antifuse (one-time programmable) | Antifuse | Antifuse | Antifuse | Antifuse |
Key Differentiators
- 5V-tolerant dual-rail I/O (vs A54SX16-1TQG176I)
- Lower cost at adequate speed (vs A54SX16P-2TQG144I)
- Smallest same-footprint option for lowest power and cost (vs A54SX32-TQG144I)
- Non-volatile instant-on configuration (vs Cross-brand SRAM FPGAs (e.g., Xilinx XC4000XL class))
Design Notes
Antifuse FPGAs are one-time programmable. Complete all functional simulation, static timing analysis, and board-level verification in Libero/Designer before generating the fuse file and programming. A design bug discovered after programming cannot be patched - the device must be scrapped. Maintain version control of the fuse files just like firmware. Budget spare logic capacity: target no more than about 70 percent utilization of the 924 cells so late design changes still fit in the same device.
The A54SX16P-1TQG144I uses two supply domains: 3.0V-3.6V and 4.75V-5.25V (the 5V-tolerant P-variant I/O rail). Decouple each domain with at least 0.1 uF ceramic per supply pin group plus 10 uF bulk per rail, placed close to the TQFP power pins. Follow the SX datasheet power-up sequencing guidance between rails; exercising I/O before the core rail is stable can violate input structure ratings. Estimated: at 280 MHz toggle the core current is modest, but verify with Designer power estimation for your actual design.
The 144-TQFP (20x20 mm) has 0.5 mm-pitch leads - use a standard TQFP-144 land pattern per the datasheet mechanical drawing, with solder-mask-defined or non-solder-mask-defined pads per your assembler's capability. Route the 113 I/O with controlled impedance where buses exceed roughly 50 MHz; keep 5V-domain traces physically separated from 3.3V core-domain routing where practical, and place series termination (22-33 ohm) on fast output drivers to control ringing on legacy 5V buses.
The -1 speed grade toggles up to 280 MHz internally, so even modest design clocks can produce fast output edges. On 5V TTL interfaces, the higher swing increases crosstalk and overshoot risk: add series resistors on outputs driving long backplane traces and verify undershoot on 5V receivers stays within datasheet limits. For clocks above 66 MHz, use the SX global clock resources and keep clock routing short; refer to Actel/Microchip application notes on SX timing-driven design in Libero.
Compliance Information
Compliance data not present in the retrieved web data. Verify RoHS/REACH status on the official Microchip product page for A54SX16P before procurement.
