A54SX08-VQ100 - SX FPGA 8K Gates 100-TQFP | Microsemi
MPN: A54SX08-VQ100 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for A54SX08-VQ100 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX08-VQG100
✅ Drop-In✓ In Stock
$32.1 / Unit
View Datasheet →A54SX08-VQ100I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX16-2VQ100
✅ Drop-In✓ In Stock
$29.75 / Unit
View Datasheet →A54SX16-VQ100
✅ Drop-In ⚠️ 参数待验证✓ In Stock
Contact for price
View Datasheet →A54SX16P-VQ100
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$111.03 / Unit
View Datasheet →A54SX16P-VQG100M
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$42 / Unit
View Datasheet →A54SX08-VQ100 Maximum Ratings & Electrical Characteristics
| Series | SX (Actel) |
| System Gates | 8000 |
| Logic Cells (Modules) | 512 |
| User I/Os | 81 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um |
| Supply Voltage (Core/IO) | 3 V ~ 3.6 V |
| Supply Voltage (VPP/Ring) | 4.75 V ~ 5.25 V |
| Program Technology | Antifuse (one-time programmable) |
| Package / Case | 100-TQFP (14x14 mm) |
| Supplier Device Package | 100-VQFP (14x14) |
| Mounting Type | Surface Mount |
| Architecture | Sea-of-modules |
A54SX08-VQ100 100-vqfp (14x14) Pin Configuration Guide
Complete pinout information for A54SX08-VQ100 (100-vqfp (14x14) 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 A54SX08-VQ100.
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
A54SX08-VQ100 is suitable for 6 applications: Glue Logic Integration, Industrial Control and Automation, Communications Line Cards, Aerospace and Defense Subsystems, Test and Measurement Equipment, Legacy Board Redesign and Obsolescence Management.
Glue Logic Integration
The A54SX08-VQ100's 8K gates and 512 cells are sized to replace dozens of discrete 74-series logic devices, PALs, and GALs on a single board. Its 240 MHz toggle capability and deterministic antifuse timing make it well suited to address decoding, bus matching, and control-logic consolidation. Because the configuration is non-volatile, the board powers up functional with no boot controller or configuration flash, simplifying power sequencing versus SRAM FPGAs. The 81 user I/Os in the 100-TQFP provide ample interface count for legacy bus widths, and dual 3.3 V/5 V supply support eases interfacing with mixed-voltage legacy logic.
Recommended
Industrial Control and Automation
In industrial controllers, PLC I/O cards, and motor-interface boards, the A54SX08-VQ100 provides deterministic, instantly-available control logic with 81 I/Os for sensors, encoders, and actuators. The antifuse fabric is immune to configuration upsets that can afflict SRAM FPGAs in electrically noisy factory environments, and the one-time-programmed design cannot be altered in the field. The 3.0-3.6 V core/IO supply integrates with modern 3.3 V logic while 5 V-tolerant interfaces bridge legacy equipment. Designers should reserve spare gates and I/Os for late feature additions, since antifuse devices cannot be reprogrammed after assembly.
Recommended
Communications Line Cards
Telecom and datacom line cards use the A54SX08-VQ100 for framing, multiplexing, and backplane interface logic where 240 MHz-class toggle rates cover T1/E1 and lower-rate SONET overhead functions. The sea-of-modules architecture gives ASIC-like routing predictability, easing static-timing closure on fixed-latency paths. Non-volatile antifuse configuration means a line card is operational the moment power is applied - valuable in hot-swap and redundant-card systems. The 100-TQFP 14x14 mm package fits standard card form factors, and the 0.35 um fabric provides stable, well-characterized I/O timing for backplane signaling.
Recommended
Aerospace and Defense Subsystems
Actel antifuse FPGAs are a traditional choice in defense electronics because the programmed configuration cannot be read back, protecting design IP, and the fabric tolerates radiation-induced configuration upsets far better than SRAM cells. The A54SX08-VQ100 suits payload interface logic, telemetry framing, and command decoding where 8K gates suffice. Instant-on behavior eliminates boot vulnerabilities during power transients, and the industrial-grade A54SX08-VQ100I variant extends the temperature envelope. For flight programs needing higher density in similar technologies, Microsemi's larger SX parts and RTAX radiation-hardened family (e.g., RTAX1000SL) offer upgrade paths.
Recommended
Test and Measurement Equipment
Bench instruments and rack modules use the A54SX08-VQ100 for trigger logic, counter/timer functions, and bus interfacing. The 240 MHz toggle capability and low, deterministic clock-to-out timing of the antifuse fabric support precision event capture, while 81 I/Os accommodate multi-channel probe interfaces. Non-volatile configuration means the instrument front panel and measurement engine are live immediately at power-on - no configuration load time delays the first measurement. The 3.3 V/5 V mixed supply support simplifies designs that bridge modern digital sections with legacy 5 V instrumentation buses.
Recommended
Legacy Board Redesign and Obsolescence Management
When maintaining long-lifecycle products, the A54SX08-VQ100 consolidates aging PAL/GAL and discrete-logic obsolescence risk into a single supported device, with the green A54SX08-VQG100 easing RoHS-driven board respins. The SX16 in the same 100-VQFP footprint (A54SX16-2VQ100, A54SX16P-VQ100) provides a guaranteed migration path if logic grows. Design teams should archive HDL sources and Libero project files, stock safety inventory, and qualify at least one same-footprint alternate in the approved-vendor list, since antifuse programming requires external programmers and mature-stock channels for ongoing production.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-VQ100 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-VQG100 | A54SX08-VQ100I | A54SX16-2VQ100 | A54SX16P-VQ100 |
|---|---|---|---|---|---|
| Package | 100-TQFP/VQFP (14x14 mm) | 100-VQFP (14x14 mm) - same | 100-VQFP (14x14 mm) - same | 100-VQFP (14x14 mm) - same | 100-VQFP (14x14 mm) - same |
| Brand | Microsemi (Actel/Microchip) | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 8000 | 8000 | 8000 | 16000-class | 16000-class |
| Logic Cells | 512 | 512 | 512 | [DATA_NEEDED] | [DATA_NEEDED] |
| Maximum System Frequency | 240 MHz | 240 MHz | 240 MHz | 240 MHz (SX family class) | Higher (SX-A performance class) |
| User I/Os | 81 | 81 | 81 | [DATA_NEEDED] | [DATA_NEEDED] |
| Temperature Grade | Commercial (standard) | Commercial (green package) | Industrial | Standard | Standard |
| Recompilation Required for Replacement | - | No (identical die) | No (identical die) | Yes (different die) | Yes (different die) |
Key Differentiators
- Identical-die green package availability (vs A54SX08-VQG100)
- In-place capacity upgrade path (vs A54SX16-2VQ100)
- Non-volatile antifuse fabric vs SRAM competitors (vs SRAM FPGAs (Xilinx/Intel equivalents))
Design Notes
The A54SX08-VQ100 uses dual supply domains per the SX family datasheet: 3.0-3.6 V for core/IO operation and a 4.75-5.25 V supply class for programming/charge-pump functions. Provide independent, well-decoupled rails (100 nF ceramic per supply pin plus 10 uF bulk per rail) and respect the specified power-up ramp. Antifuse FPGAs draw very low static current compared with SRAM FPGAs since there is no configuration bitstream being actively driven, but transient currents during high toggle-rate operation still require adequate decoupling near the package.
The device is one-time programmable: once programmed, the design is permanent. Reserve 20-30% spare gates and several spare I/Os in your floorplan to absorb late design changes without a board respin. Verify post-route timing simulation and static timing in the Libero/Designer toolchain before programming production units, and archive the programming fusemap files. Never rely on a single programmed prototype for functional sign-off - program and validate at least two units to rule out programming errors.
The 100-TQFP (14x14 mm) has 0.5 mm pin pitch; use a 4-mil trace/6-mil space fanout pattern or escape vias to route out all 100 pins on two signal layers. Keep unused I/Os configured per the SX datasheet recommendation (driven low or tristated with termination as applicable) to avoid floating inputs. For mixed 3.3 V/5 V systems, verify I/O banking assignments in the software before routing so that 5 V-tolerant signals land on appropriate banks, and follow SX-family application-note guidance on ground return paths for high toggle-rate outputs.
Compliance Information
The standard VQ100 package's RoHS status was not stated in the verified data. The green-package variant A54SX08-VQG100 is the designated RoHS/green option per FindIC cross-reference; confirm compliance certificates with Microchip for the specific orderable suffix.
