A54SX16P-2VQG100I - 16K Gate SX FPGA, 320MHz, TQFP-100 | Microsemi
MPN: A54SX16P-2VQG100I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68 | $68.00 |
| 10 | $62.5 | $625.00 |
| 100 | $55 | $5,500.00 |
| 500 | $49 | $24,500.00 |
| 1,000 | $44 | $44,000.00 |
Drop-in alternatives for A54SX16P-2VQG100I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-2VQG100
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View Datasheet →A54SX16P-VQG100I
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View Datasheet →A54SX16P-VQG100
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View Datasheet →A54SX16P-1VQG100
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View Datasheet →A54SX16P-2VQG100I Maximum Ratings & Electrical Characteristics
| Family | SX (Actel/Microsemi antifuse FPGA) |
| Equivalent Gates | 16000 gates |
| Logic Modules (Cells) | 924 |
| Configurable Logic Blocks | 1452 CLBs |
| User I/O | 81 |
| Speed Grade | -2 (320 MHz) |
| Maximum System Clock Frequency | 320 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage | 3.3 V / 5 V |
| Programmability Type | Antifuse, one-time programmable (OTP) |
| Package | 100-Pin VQFP (TQFP-100 / PQFP100, 0.5 mm pitch) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, I suffix) |
| Architecture | Sea-of-modules (C-cells and S-cells) |
| Configuration Storage | Non-volatile (no external boot device required) |
| RoHS Status | RoHS Compliant (per distributor listing for VQFP-100 family) |
| Terminal Pitch | 0.5 mm |
A54SX16P-2VQG100I 100-pin vqfp (tqfp-100 / pqfp100, 0.5 mm pitch) Pin Configuration Guide
Complete pinout information for A54SX16P-2VQG100I (100-pin vqfp (tqfp-100 / pqfp100, 0.5 mm pitch) 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-2VQG100I.
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-2VQG100I is suitable for 6 applications: Glue Logic and ASIC Prototype Consolidation, Industrial Control and Automation, Communications Interface Bridging, Secure / Instant-On Control Logic, Avionics-Adjacent and High-Reliability Industrial Systems, Test and Measurement Instrumentation.
Glue Logic and ASIC Prototype Consolidation
The A54SX16P-2VQG100I fits board-level glue-logic consolidation where 16,000 gates of address decoding, bus matching, and state machines previously occupied multiple SSI/MSI devices. Its 81 user I/O and 3.3V/5V dual-voltage I/O let a single device bridge legacy 5V microprocessor buses to 3.3V peripherals without level shifters. The 320 MHz -2 speed grade keeps decode and acknowledge paths well within typical microprocessor-cycle budgets, and the antifuse fabric provides deterministic pin-to-pin delays that simplify setup-and-hold analysis in timing-critical decode chains. Because configuration is non-volatile, the logic is active at the first clock edge after power application - important for systems whose reset sequencing depends on early decode. The main trade-off is OTP: any decode-map change requires a newly programmed device, so freeze the logic map before production programming.
Recommended
Industrial Control and Automation
In industrial controllers and automation backplanes, the A54SX16P-2VQG100I provides instant-on supervisory and interface logic in the -40C to +85C industrial temperature range required by factory-floor equipment. The sea-of-modules architecture delivers stable, temperature-predictable timing without configuration-upset risk, and the antifuse fabric draws no configuration current - reducing idle power in always-on control cabinets. The 0.35 um CMOS process and 3.3V/5V I/O support direct connection to legacy 24V-adjacent 5V PLC signaling through appropriate buffering. Its 320 MHz capability comfortably covers counter, encoder-interfacing, and PWM-assist functions running at tens of megahertz with wide margin. Design consideration: verify junction temperature at worst-case switching activity, and place 0.1 uF decoupling capacitors at each of the multiple VCC pins of the 100-pin VQFP to control ground bounce on simultaneously switching I/O.
Recommended
Communications Interface Bridging
The A54SX16P-2VQG100I suits line-card and communications-equipment bridging functions where standard-speed interfaces must be translated or packetized at moderate rates. The -2 speed grade supports internal logic up to 320 MHz, providing ample margin for 8-bit bus translation, framing, and CRC assist functions running at 25-100 MHz. The 81 user I/O in the 100-pin VQFP accommodate parallel data buses, status, and control signals in a compact 14x14 mm-class footprint, and 0.5 mm pitch eases assembly. Antifuse determinism benefits clock-domain-crossing synchronizers, whose timing must not drift across lots - a known weakness of SRAM-FPGA timing variation after reconfiguration. Because the device powers up configured instantly, hot-swap line cards resume bridging without a configuration-load window. Budget I/O ring power carefully when driving heavily loaded backplane buses at 5V-compatible levels.
Recommended
Secure / Instant-On Control Logic
For systems where configuration IP must not be read out and logic must be active at power-up, the A54SX16P-2VQG100I is a strong fit. The antifuse programming pattern cannot be interrogated like SRAM bitstreams, eliminating the configuration-readout attack vector inherent to SRAM FPGAs, and there is no external flash to clone. Instant-on behavior guarantees that reset arbitration and boot-control logic are functioning from the first cycle - valuable in security supervisory, key-management plumbing, and secure-boot companion logic. The industrial temperature I-suffix extends deployment to environmentally exposed equipment. The constraint to plan for is OTP lifecycle: allocate programmed spare devices for field service, since units cannot be erased and reused. Antifuse programming should be done with verified programming files and a controlled bitstream-generation flow to guarantee programming yield.
Recommended
Avionics-Adjacent and High-Reliability Industrial Systems
The A54SX16P-2VQG100I addresses high-reliability industrial and avionics-adjacent applications that value single-event-upset-immune configuration storage. Unlike SRAM FPGAs, whose configuration cells can flip under radiation, the antifuse fabric of the SX family is inherently configuration-robust, and the Metal-to-Metal antifuse links add no pass-transistor delay variation. Designers use the device for 1553/ARINC-adjacent interface assist, built-in-test controllers, and power-sequencing supervisors where deterministic, unchanging behavior over a -40C to +85C range is mandatory. The 320 MHz -2 speed grade supports fast counter and compare functions, while the 16K gate capacity holds protocol assist blocks with margin. For radiation-tolerant programs, Microchip's RTAX family (e.g., RTAX1000SL) is the designated upgrade path, offering higher density in a hardened flow while retaining the Actel antifuse design methodology.
Recommended
Test and Measurement Instrumentation
In test and measurement hardware, the A54SX16P-2VQG100I implements timing generators, trigger logic, and bus-interface controllers that demand deterministic delays for measurement repeatability. The antifuse interconnect's fixed delays mean trigger-skew specifications remain stable over the product's life - an advantage over SRAM FPGAs whose timing can shift with recompiles and reconfiguration. The -2 speed grade supports state-machine and comparison logic up to 320 MHz internally, comfortably covering 100 MHz-class event counting with synchronization margin. Its 81 I/O in a compact VQFP-100 suit front-panel interface and acquisition-bus connectivity, and 3.3V/5V I/O compatibility eases integration into mixed-voltage instruments. Because programming is one-time, fix the instrument's timing firmware before production programming and maintain programmed spares for service and calibration support throughout the instrument lifecycle.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-2VQG100I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-2VQG100 | A54SX16P-VQG100I | A54SX16P-VQG100 | A54SX16P-1VQG100 |
|---|---|---|---|---|---|
| Package | 100-Pin VQFP (TQFP-100) | 100-Pin VQFP - same | 100-Pin VQFP - same | 100-Pin VQFP - same | 100-Pin VQFP - same |
| Brand | Microsemi (Actel / Microchip Technology) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| Equivalent Gates | 16,000 | 16,000 | 16,000 | 16,000 | 16,000 |
| Maximum Clock Frequency | 320 MHz | 320 MHz | 240 MHz | 240 MHz | [DATA_NEEDED] |
| User I/O | 81 | 81 | 81 | 81 | 81 |
| Operating Temperature | -40C to +85C (Industrial) | Commercial (0C to +70C) | -40C to +85C (Industrial) | Commercial (0C to +70C) | Commercial (0C to +70C) |
| 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 |
| Speed Grade | -2 | -2 | Standard | Standard | -1 |
Key Differentiators
- Highest speed grade available in the 100-pin VQFP package (vs A54SX16P-VQG100I)
- Industrial temperature rating (vs A54SX16P-2VQG100)
- Antifuse OTP security and instant-on (vs SRAM-based FPGAs (cross-arch))
Design Notes
The A54SX16P-2VQG100I uses separate analog (VCCA) and I/O (VCCI) supplies in the 3.3V/5V system. Apply 0.1 uF ceramic decoupling to every VCC pin of the VQFP-100 plus one bulk 10 uF per rail, placed within 5 mm of the package. Antifuse FPGA dynamic power scales with toggle rate - compute worst-case power at maximum switching activity using the Microchip (Actel) power calculator rather than typical lab measurements, which routinely underestimate simultaneous-switching I/O current on 81 loaded outputs.
This is a one-time-programmable (OTP) antifuse device: there is no erase or rework path. Freeze the netlist, complete full functional simulation and static timing analysis with the -2 speed-grade timing models at industrial temperature corners, and validate the programming file on a sample device before releasing production programming. Also remember that substituting a slower speed-grade variant (e.g., A54SX16P-VQG100I at 240 MHz) invalidates all previously closed timing paths.
The VQFP-100 has a 0.5 mm pitch with gull-wing leads; specify a solder-mask-defined land pattern per the package drawing in the 54SX datasheet and use a no-clean flux profile compatible with 0.5 mm pitch reflow. Route the VCCA supply as a quiet island separate from high-switching VCCI I/O returns, and avoid routing fast signals under the die area to reduce ground-bounce coupling into the antifuse fabric. The exposed center area under the package is not a thermal pad - do not connect it to any net.
With 81 user I/O in a compact 100-pin VQFP, ground bounce is the dominant signal-integrity risk when many outputs switch simultaneously in 5V-compatible mode. Limit simultaneous-switching groups, use the lowest drive-strength setting that meets timing, and assign a GND pin return for every 4-6 high-activity outputs in floorplanning. Series-terminate long backplane traces (22-33 ohm) at the FPGA to control reflections, and verify setup/hold at the receiving device with IBIS-class simulation of the -2 grade output models.
Compliance Information
Distributor listings describe the VQFP-100 family as RoHS compliant. AEC-Q100 qualification is not claimed for the SX family. REACH, halogen-free, and conflict-minerals status not stated in provided data.
