A54SX08-VQG100 - SX FPGA 8K Gates 81 I/O TQFP-100 | Microsemi
MPN: A54SX08-VQG100 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $43.8 | $438.00 |
| 100 | $39.2 | $3,920.00 |
| 500 | $35.6 | $17,800.00 |
| 1,000 | $32.1 | $32,100.00 |
Drop-in alternatives for A54SX08-VQG100 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
A54SX08-VQ100
β Drop-Inπ Reference alternative (not in catalog)
A54SX08-VQG100I
β Drop-Inπ Reference alternative (not in catalog)
A54SX08-1VQG100
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
A54SX08A-2TQ100
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
A54SX08-TQ144I
β Drop-Inπ Reference alternative (not in catalog)
A54SX08-VQG100 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| System Gates | 8,000 gates |
| Logic Cells (Modules) | 512 |
| User I/O | 81 |
| Maximum System Frequency | 240 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 |
| I/O Voltage Class | 3.3 V / 5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Package / Case | 100-TQFP (VQFP 14x14 mm) |
| Supplier Device Package | 100-VQFP (14x14) |
| Mounting Type | Surface Mount |
| Number of Pins | 100 |
A54SX08-VQG100 100-vqfp (14x14) Pin Configuration Guide
Complete pinout information for A54SX08-VQG100 (100-vqfp (14x14) package) with 100 pins. 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-VQG100.
Refer to the datasheet for full pin configuration.
Estimated pin count: 100 pins (digital package)
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-VQG100 is suitable for 6 applications: 5V Legacy System Migration, Industrial Control and Automation, Communication Equipment Line Cards, Aerospace and Defense Board Redesigns, Bus Interface Bridging and Glue Logic, Test and Measurement Instrument Logic.
5V Legacy System Migration
The A54SX08-VQG100 fits legacy board redesigns where the I/O rail must tolerate 4.75 V to 5.25 V while the core runs at 3.0-3.6 V. Its 81 user I/O with native 5 V-class signaling eliminates the level shifters that 3.3 V-only FPGAs would require, reducing BOM count and board area in the 14x14 mm TQFP footprint. Placed as a glue-logic bridge between a 5 V microprocessor bus and modern peripherals, the antifuse fabric provides fixed, deterministic routing delays with no configuration boot time - important for systems that must be active within milliseconds of power-on. Designers should budget the dual-rail power sequencing and verify I/O drive current against bus loading in the SX datasheet I/O model.
Recommended
Industrial Control and Automation
In PLC I/O cards, motor control interfaces, and sensor aggregation boards, the A54SX08-VQG100 consolidates address decoding, handshaking, and timing logic that would otherwise occupy several 74-series devices. The 8K-gate / 512-cell capacity covers typical industrial glue logic with margin, and the 240 MHz-class fabric speed comfortably exceeds industrial timing requirements, so designers gain slack for conservative synthesis constraints. Because the antifuse configuration is immune to configuration upset and requires no external flash, the design survives noisy industrial power environments without boot glitches. For extended ambient temperatures beyond commercial limits, the pin-compatible industrial-grade A54SX08-VQG100I should be specified instead, keeping the identical 100-TQFP footprint and PCB unchanged.
Recommended
Communication Equipment Line Cards
Telecom and datacom line cards use the A54SX08-VQG100 for backplane interface framing, status multiplexing, and clock-domain bridging. The sea-of-modules antifuse architecture delivers short, deterministic interconnect delays, simplifying timing closure for backplane clock rates, and the 0.35 um process provides mature, well-characterized I/O behavior for 5 V and 3.3 V mixed backplane environments. With 81 user I/O in 14x14 mm, the device concentrates fan-out buffering that would otherwise spread across the card. Because the configuration is burned in at programming, line cards power up functional immediately with no bitstream load, reducing bring-up fault handling in chassis systems. Verify per-bank I/O loading in the SX datasheet when driving heavily loaded backplane nets.
Recommended
Aerospace and Defense Board Redesigns
Antifuse FPGAs have historically been favored in aerospace and defense for their resistance to configuration memory upset, and the SX family carries that heritage into board refresh programs. The A54SX08-VQG100 lets engineers re-populate obsolete 5 V logic boards with a single 14x14 mm device while preserving the original timing behavior, since the fixed antifuse interconnect gives repeatable delays unaffected by temperature-induced configuration changes. The non-volatile single-chip configuration also removes the radiation and reliability concerns of external configuration flash. For new high-reliability designs, Microchip's RTAX radiation-hardened family (e.g., RTAX1000SL) shares design methodology, allowing design migration within the Libero flow.
Recommended
Bus Interface Bridging and Glue Logic
As a general bus bridge, the A54SX08-VQG100 connects incompatible buses - for example a 5 V ISA/VME-style parallel bus to a 3.3 V peripheral bus - using its dual-rail I/O capability (4.75-5.25 V and 3.0-3.6 V supplies). The 8K gates implement wait-state generators, byte-lane steering, interrupt controllers, and address decoders in one TQFP-100, replacing dozens of SSI/MSI packages and cutting board area and assembly cost. Antifuse determinism means bridge timing does not depend on software configuration loading, so reset behavior is fully predictable. Designers should simulate bus turnaround and hold-time corners in the Libero timing model and reserve pins for JTAG boundary access during board debug.
Recommended
Test and Measurement Instrument Logic
Bench instruments and ATE fixtures use the A54SX08-VQG100 for trigger distribution, counter/timer front-end logic, and fixture-specific adaptation. The 240 MHz-class fabric supports fast trigger paths, while deterministic antifuse routing guarantees that measured trigger skew does not drift between units - a benefit over SRAM FPGA routing variation for calibration-sensitive instruments. The 81 I/O pins handle parallel fixture interfaces in the compact 14x14 mm TQFP, and 5 V-tolerant I/O connects directly to legacy test hardware. Because the device programs once at production, instrument firmware versioning reduces to serialized hardware revisions; teams typically manage this by marking the fuse-file version on the board label and archiving the source with each build.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-VQG100 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-VQ100 | A54SX08-VQG100I | A54SX08-1VQG100 | A54SX08-TQ144I |
|---|---|---|---|---|---|
| Package | 100-TQFP (VQFP 14x14 mm) | 100-TQFP (VQFP 14x14 mm) - same | 100-TQFP (VQFP 14x14 mm) - same | 100-TQFP (VQFP 14x14 mm) - same | TQFP-144 - larger footprint |
| Brand | Microsemi (Microchip) | Microsemi | Microsemi | Microchip Technology | Microchip Technology |
| System Gates | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 |
| Logic Cells | 512 | 512 | 512 | 512 | 512 |
| User I/O | 81 | 81 | 81 | 81 | [DATA_NEEDED] |
| Max System Frequency | 240 MHz | 240 MHz | 240 MHz | Lower (speed grade -1) | [DATA_NEEDED] |
| Supply Voltage | 3 V to 3.6 V, 4.75 V to 5.25 V | 3 V to 3.6 V, 4.75 V to 5.25 V | 3 V to 3.6 V, 4.75 V to 5.25 V | 3.3 V / 5 V | [DATA_NEEDED] |
| Temperature Grade | [DATA_NEEDED: operating temperature range] | Commercial | Industrial | [DATA_NEEDED] | Industrial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- 5 V-tolerant dual-rail I/O system (vs A54SX16P-VQG100)
- Non-volatile antifuse with zero boot time (vs A54SX08-VQ100)
- Green lead-free package variant availability (vs A54SX08-VQ100)
Design Notes
The A54SX08-VQG100 requires two supply rails: core at 3.0-3.6 V and I/O at 4.75-5.25 V. Decouple each rail with at least 0.1 uF ceramic capacitors placed within a few millimeters of the corresponding VDD pins on the 100-TQFP, plus bulk 10 uF per rail. Because antifuse FPGAs draw static current determined by routing rather than clock activity, estimate power using the Microchip Designer power calculator with your post-route netlist. Do not power the I/O bank above 5.25 V - 5 V tolerant does not mean over-voltage tolerant.
Antifuse devices are one-time programmable: a design error after programming means discarding the device. Complete functional simulation, static timing analysis, and pin-assignment review before releasing the fuse file. Reserve at least one engineering lot of devices for iterations, and archive the exact fuse file per board revision. Also note the difference between the standard and -1 speed grades - swapping speed grades silently can break timing closure on 240 MHz-class paths even though the parts are pin-identical.
The 14x14 mm 100-pin TQFP has 0.5 mm-pitch leads; design the land pattern per the Microchip SX datasheet mechanical drawing and inspect solder joints under magnification since fine-pitch QFP bridges are common in hand assembly. Route JTAG (TDI, TDO, TMS, TCK) to a header for programming and diagnostics even if unused in final application. Keep clock inputs short and matched, and use a solid ground plane to control return paths for the 240 MHz-class internal switching nodes.
Compliance Information
The G suffix in A54SX08-VQG100 denotes the lead-free/green package variant per Microsemi naming convention and FindIC comparison data. Formal RoHS/REACH certificates should be confirmed on the Microchip compliance portal for the specific date code.
