A54SX16P-1TQG176 - 24K Gate SX FPGA 147 I/O TQFP-176 | Microchip
MPN: A54SX16P-1TQG176 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $38.9 | $389.00 |
| 100 | $35.2 | $3,520.00 |
| 500 | $31.8 | $15,900.00 |
| 1,000 | $28.6 | $28,600.00 |
Drop-in alternatives for A54SX16P-1TQG176 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-1TQG176I
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$30.4 / Unit
View Datasheet →A54SX16P-2TQG176
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$44.2 / Unit
View Datasheet →A54SX16P-TQG176
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$47.2 / Unit
View Datasheet →A54SX16-1TQG176
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View Datasheet →A54SX16-2TQG176
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$339.14 / Unit
View Datasheet →A54SX16-1TQG176I
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View Datasheet →A54SX16P-1TQG176 Maximum Ratings & Electrical Characteristics
| Family | SX FPGA |
| System Gates | 24K |
| Logic Cells | 1452 |
| Cells | 924 |
| Number of User I/O | 147 |
| Maximum Frequency | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage | 3.3 V / 5 V |
| Speed Grade | -1 |
| Package | 176-TQFP (24x24 mm) |
| Mounting Type | Surface Mount |
| Architecture | Sea-of-modules |
| Lead-Free (G suffix) | Yes |
| Programmability Type | In-System Reprogrammable |
| Design Software | Microchip Libero SoC |
A54SX16P-1TQG176 176-tqfp (24x24 mm) Pin Configuration Guide
Complete pinout information for A54SX16P-1TQG176 (176-tqfp (24x24 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-1TQG176.
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-1TQG176 is suitable for 6 applications: Industrial Control Glue Logic, Legacy 5V Bus Bridging, Telecommunications Line-Card Control, Military and Aerospace Support Electronics, Test and Measurement Instrumentation, Embedded System Prototyping and NRE Reduction.
Industrial Control Glue Logic
The A54SX16P-1TQG176 fits industrial PLC and motor-control backplane designs that need deterministic, wide parallel glue logic with 5V-tolerant I/O. Its 147 user I/O in a 24x24 mm TQFP-176 lets one device absorb dozens of 74-series bus-transceiver and decoder functions, while 3.3V/5V dual-supply operation interfaces directly with legacy 5V TTL sensor and actuator buses that 3.3V-only FPGAs cannot tolerate. The 280 MHz maximum toggle rate is far above industrial control timing needs, so timing closure is straightforward even on the -1 speed grade. Implement address decoding, interrupt aggregation, and status-bus buffering in Verilog/VHDL within Libero; the sea-of-modules fabric delivers predictable propagation delays that simplify settling-time analysis for the surrounding microprocessor bus.
Recommended
Legacy 5V Bus Bridging
Systems retrofitting modern processors into legacy VME, ISA-style, or proprietary 5V backplanes benefit directly from the SX16P's 5V-capable I/O. The A54SX16P-1TQG176 sits between the new 3.3V host and the 5V backplane, translating levels and regenerating bus timing without external level shifters, which reduces BOM count and board area. With 147 I/O, wide 16/32-bit data paths plus full address and control buses fit in a single device, and the 280 MHz fabric margin easily covers backplane propagation budgets. Designers should decouple the VDD5 and VCC33 rails separately and check the SX family datasheet input-threshold tables per I/O standard; the 'P' enhanced-speed process also gives extra setup/hold margin at low cost versus the standard A54SX16.
Recommended
Telecommunications Line-Card Control
Telecom line cards and network-element supervisory logic traditionally used Actel (now Microchip) SX FPGAs for their reliability and predictable timing. The A54SX16P-1TQG176 implements framers' sideband control, LED/relay drivers, backplane alarms, and JTAG boundary chaining at the 280 MHz-class fabric speed with ample margin. The 176-pin TQFP provides the high I/O count that alarm and status aggregation demands, while 3.3V core operation keeps dynamic power low enough for always-on card slots. Because the device is reprogrammable during development, firmware-style iteration of the control state machine is possible without board respins. Place 100 nF decoupling at each supply pin pair and route configuration pins away from switching line-card clocks to protect configuration integrity.
Recommended
Military and Aerospace Support Electronics
The SX family has a long heritage in defense programs where qualified, stable, single-vendor FPGA supply matters. The A54SX16P-1TQG176 (and its I-suffix industrial variant) serves in ground-based military electronics, test sets, and satellite ground equipment for address decoding, arming/disarm interlocks, and telemetry formatting. The 0.35 um CMOS process is mature and well characterized, the sea-of-modules fabric gives timing behavior that is easy to document for safety reviews, and 5V I/O directly supports MIL-STD-style legacy interfaces. For radiation-critical flight paths, designers graduate to the related RTAX antifuse families (e.g., RTAX2000S), which share tooling concepts but are one-time programmable; the SX16P remains ideal for reprogrammable ground and lab equipment in the same program.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment uses the A54SX16P-1TQG176 as a pattern generator, timing controller, and bus-interface device. The 147 user I/O drive fixture relays, comparator banks, and DUT interface headers directly, and 5V-tolerant outputs match TTL-level fixtures common in production test. Deterministic sea-of-modules routing means generated strobe-to-strobe skew is small and repeatable across units, which matters for calibrated measurements. Designers typically pair the SX16P with a fast clock source and implement programmable delay lines in fabric; the 280 MHz fabric ceiling supports sub-10 ns edge placement with the -1 grade. The reprogrammable fabric also allows fixture personalities to be updated per product revision without hardware changes.
Recommended
Embedded System Prototyping and NRE Reduction
For prototyping ASIC interfaces or validating RTL before tape-out, the A54SX16P-1TQG176 offers 24K system gates of reprogrammable fabric in a low-cost TQFP that can be socketed or fitted to evaluation boards. Its 3.3V/5V operation matches breadboard-level legacy peripherals, and Libero SoC gives a complete synthesis-to-bitstream flow. Compared with modern dense FPGAs, the SX16P lacks block RAM and DSP blocks, so it is best used for control-path and bus-protocol prototyping rather than datapath-heavy designs; but its simplicity makes timing behavior highly predictable for education and interface bring-up. Teams migrating to Microchip PolarFire or RTAX later retain Verilog/VHDL sources and verification methodology built on this device.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-1TQG176 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-1TQG176I | A54SX16P-2TQG176 | A54SX16P-TQG176 | A54SX16-1TQG176 |
|---|---|---|---|---|---|
| Package | 176-TQFP | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24K | 24K | 24K | 24K | 24K (same die, standard process) |
| User I/O | 147 | 147 | 147 | 147 | 147 |
| Max Frequency | 280 MHz | 280 MHz | 320 MHz | 280 MHz | [DATA_NEEDED] |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Temperature Range | Commercial ([DATA_NEEDED: exact range]) | Industrial (-40C to +85C) | Commercial | Commercial | Commercial |
| Lead-Free / Plating | Lead-free (G suffix) | Lead-free (G suffix) | Lead-free (G suffix) | Tin-lead (non-G) | Lead-free (G suffix) |
| RoHS Status | Compliant | Compliant | Compliant | Non-compliant (leaded) | Compliant |
Key Differentiators
- Enhanced-speed P-process at standard grade price/performance (vs A54SX16-1TQG176)
- 5V-tolerant I/O support (vs Modern 3.3V-only FPGAs)
- Higher speed grade drop-in available (vs A54SX16P-2TQG176)
Design Notes
The SX16P supports dual 3.3V/5V operation; decouple VCC33 and VDD5 rails independently with 100 nF ceramic capacitors at each supply pin pair plus one bulk capacitor (10 uF) per rail. Estimated: at 3.3V with moderate logic utilization, dynamic current typically dominates; run Libero power analysis with your actual toggle rates before sizing the 3.3V regulator, since published single-figure power data is not available for this device in verified sources.
The 176-TQFP (24x24 mm, 0.5 mm pitch) requires fine-pitch soldering: specify an NSMD pad pattern per the SX family datasheet package drawing, a 4-mil stencil with 60-70% aperture reduction on the center rows if reflow voiding occurs, and inspect with X-ray or AOI. Pin re-assignment after routing is disruptive, so freeze the Libero pin report before PCB layout and reserve spare I/O near connectors for debug.
Three recurring pitfalls with mature SX designs: (1) confusing the P and non-P die - timing files differ and the non-P part may fail 280 MHz timing closure, so always re-run static timing when substituting A54SX16-1TQG176; (2) using the leaded TQG176 in RoHS-restricted products when the G-suffix version is available; (3) assuming industrial temperature on the non-I suffix - only the 'I' variants are rated for -40C to +85C, so outdoor or automotive-adjacent systems must order A54SX16P-1TQG176I.
Compliance Information
G suffix denotes lead-free/RoHS-friendly construction per Mouser LEAD FREE listing. REACH, halogen-free, and conflict-minerals status not stated in verified data.
