A54SX16-TQG176 - 24K Gate SX FPGA, 147 I/O TQFP-176 | Microchip
MPN: A54SX16-TQG176 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $253.92 | $253.92 |
| 10 | $241.22 | $2,412.20 |
| 100 | $228.53 | $22,853.00 |
| 500 | $215.83 | $107,915.00 |
| 1,000 | $203.14 | $203,140.00 |
Drop-in alternatives for A54SX16-TQG176 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-TQG176
✅ Drop-In✓ In Stock
$47.2 / Unit
View Datasheet →A54SX16P-2TQG176I
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$42 / Unit
View Datasheet →A54SX16-2TQG176
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$339.14 / Unit
View Datasheet →A54SX16-1TQG176
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View Datasheet →A54SX16-2TQG176I
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$20.8 / Unit
View Datasheet →A54SX16P-1TQG176I
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$30.4 / Unit
View Datasheet →A54SX16-TQG176 Maximum Ratings & Electrical Characteristics
| Series | SX |
| Number of System Gates | 24000 |
| Number of Gates | 16000 |
| Number of Cells | 924 |
| Number of LABs/CLBs | 1452 |
| Number of I/O | 147 |
| Supply Voltage | 3V ~ 3.6V, 4.75V ~ 5.25V |
| Technology | 0.35 um antifuse |
| Programming Type | One-time programmable (antifuse) |
| Operating Temperature | 0C ~ 70C (TA) |
| Package / Case | 176-LQFP (176-TQFP, 24x24 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Yes |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
A54SX16-TQG176 176-lqfp (176-tqfp, 24x24 mm) Pin Configuration Guide
Complete pinout information for A54SX16-TQG176 (176-lqfp (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 A54SX16-TQG176.
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
A54SX16-TQG176 is suitable for 6 applications: Industrial Control Glue Logic, Telecommunications Line Cards, Legacy ASIC Redesign and Bridging, Test and Measurement Equipment, Avionics-Adjacent Commercial Systems, Security and Surveillance System Controllers.
Industrial Control Glue Logic
The A54SX16-TQG176 consolidates address decoders, bus transceivers, state machines, and interface adapters that would otherwise occupy multiple 74-series devices in PLCs, motor controllers, and factory automation boards. Its 24000 system gates and 147 user I/O provide ample capacity for mixed 5V and 3.3V interfaces via the dual 3V~3.6V and 4.75V~5.25V supply scheme. The antifuse fabric powers up instantly with no configuration latency, which matters for safety interlocks and machine-reset sequences that must assert correct logic levels immediately. Because the design is permanently programmed, field firmware updates are impossible - reserve this part for logic that is stable and validated.
Recommended
Telecommunications Line Cards
In telecom line-card designs, the A54SX16-TQG176 implements framing logic, backplane interface multiplexing, and board-level glue functions between physical-layer devices and backplane controllers. The SX family sea-of-modules architecture gives deterministic routing delays, simplifying timing closure on synchronous backplane interfaces that run at hundreds of megahertz equivalent internal rates (family speeds of 240-320 MHz by speed grade). 5V-tolerant I/O eases integration with legacy 5V backplane signaling, and the 176-TQFP (24x24) package fits standard card assembly processes. Instant-on antifuse configuration avoids the link-down window that SRAM FPGAs incur while loading configuration from flash.
Recommended
Legacy ASIC Redesign and Bridging
The A54SX16-TQG176 is widely used to re-create discontinued ASICs or gate-array functions as a single-chip bridge on existing PCBs. Its 16000 gates and 924 cells approximate mid-1990s ASIC densities, and the one-time-programmable antifuse structure supports immediate power-up with no configuration device - matching the behavior of the original hard-wired ASIC. The dual 3.3V/5V supply interface reproduces legacy I-O signaling levels directly, and the 176-TQFP footprint can be laid out to match the replaced device. Designers should verify final timing with the Microchip Libero/Designer timing reports for the chosen speed grade before committing production programming.
Recommended
Test and Measurement Equipment
Bench instruments and automated test fixtures use the A54SX16-TQG176 for trigger generation, counter/timer logic, bus interfacing (GPIB-style parallel handshake logic), and control sequencers. The antifuse fabric's low static power and instant-on configuration let the instrument be measurement-ready within milliseconds of power application, and deterministic routing avoids run-to-run timing variation in trigger paths. The commercial 0C to +70C operating range covers typical bench and lab environments. With 147 I/O in the 176-TQFP (24x24) package, wide parallel stimulus buses to the device-under-test are easily accommodated without external fanout logic.
Recommended
Avionics-Adjacent Commercial Systems
Ground-support equipment and commercial subsystems for aerospace programs use the A54SX16-TQG176 where antifuse FPGAs are preferred for their immunity to configuration upset and no boot-time dependency. The one-time-programmable fabric cannot be corrupted in flight or on power cycling, and there is no configuration bitstream to capture - a security and reliability advantage over SRAM FPGAs. The standard commercial grade (0C to +70C) suits ground-based and sheltered equipment; for flight-temperature environments, migrate to the industrial-grade A54SX16P-2TQG176I, which shares the identical 176-TQFP footprint so the PCB design carries over unchanged.
Recommended
Security and Surveillance System Controllers
Video matrix switches, access-control panels, and DVR controller boards use the A54SX16-TQG176 for camera-interface multiplexing, keypad scan logic, and host bus bridging. The device's one-time programming means deployed units cannot be reconfigured by an attacker loading a malicious bitstream - unlike SRAM FPGAs that reload configuration at every power-up. 5V-compatible I/O directly drives legacy alarm-loop and relay-driver circuitry from the 4.75V~5.25V rail, while core logic runs at 3.3V. The 176-TQFP (24x24) package supports cost-effective, reworkable assembly in medium-volume security product manufacturing.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16-TQG176 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-TQG176 | A54SX16P-2TQG176I | A54SX16-2TQG176 | A54SX16-1TQG176 |
|---|---|---|---|---|---|
| Package | 176-TQFP (24x24) | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 24000 | 24000 |
| User I/O | 147 | 147 | 147 | 147 | 147 |
| Speed Grade | Standard | Standard (P process) | -2 (fastest) | -2 (fastest) | -1 (mid) |
| Operating Temperature | 0C ~ 70C | 0C ~ 70C | Industrial (-40C ~ +85C) | 0C ~ 70C | 0C ~ 70C |
| Supply Voltage | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V |
| Programming Type | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| RoHS | ROHS3 Compliant | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Instant-on, no configuration device required (vs A54SX16P-TQG176)
- Industrial temperature availability on identical footprint (vs A54SX16P-2TQG176I)
- Cost-effective standard speed grade (vs A54SX16-2TQG176)
Design Notes
The A54SX16-TQG176 is one-time programmable: once antifuses are blown, the configuration cannot be changed or read back for correction. Validate the complete design in simulation and, where practical, prototype on the pin-compatible SX-A family (A54SX16A) before programming production units. Always archive the programmed fusemap and use a checksum verification step after in-system or pre-reflow programming to detect incomplete programming operations.
The device requires two supply rails: 3V to 3.6V for core and I/O operation, and 4.75V to 5.25V for programming and 5V-interface functions. Sequence the 3.3V rail before or with the 5V rail and decouple each rail with at least 0.1uF ceramic per power pin plus bulk 10uF capacitance. Estimated: with antifuse fabric the static current is very low, so thermal design is dominated by I/O switching current - compute dynamic power as P = C x V^2 x f x toggling-rate for large 5V-tolerant buses.
The 176-TQFP (24x24 mm) has 0.5 mm pitch gull-wing leads. Use a standard solder-mask-defined TQFP-176 land pattern with 0.25-0.3 mm trace widths at the device, and add thermal vias under the center of the footprint tied to ground for heat spreading and signal reference. Keep length-matched routing on clock pins and read back the Microchip SX family datasheet pin table for dedicated programming pins that must remain accessible on the PCB.
Compliance Information
ROHS3 Compliant and lead free per Microchip USA product data. REACH, halogen-free, and conflict-minerals status not stated in provided data.
