A54SX08-1PQG208 - 8K Gate SX FPGA, 280MHz, PQFP-208 | Microsemi
MPN: A54SX08-1PQG208 ✓ Active| 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 A54SX08-1PQG208 — 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:
A54SX08-2PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
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View Datasheet →A54SX32-1PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$37.7 / Unit
View Datasheet →A54SX32-1PQG208I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$44.9 / Unit
View Datasheet →A54SX32-2PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$45.4 / Unit
View Datasheet →A54SX32-PQG208I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$362.79 / Unit
View Datasheet →A54SX16P-PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$47.95 / Unit
View Datasheet →A54SX08-1PQG208 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| Logic Gates | 8,000 equivalent gates |
| Logic Cells | 512 cells |
| Logic Array Blocks | 768 LABs / CLBs |
| Maximum System Frequency | 280 MHz |
| User I/O | 130 I/O |
| Core Supply Voltage | 3.3 V (3.0 V to 3.6 V) |
| I/O Supply Voltage | 5 V (4.75 V to 5.25 V) / 3.3 V |
| Technology | 0.35 um CMOS, antifuse OTP |
| Programmability | One-Time Programmable (antifuse) |
| Package | 208-BFQFP / PQFP-208, 0.5 mm lead pitch |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +70C (commercial grade) |
| Speed Grade | -1 |
| Configuration Storage | Non-volatile (no external boot memory) |
A54SX08-1PQG208 208-bfqfp / pqfp-208, 0.5 mm lead pitch Pin Configuration Guide
Complete pinout information for A54SX08-1PQG208 (208-bfqfp / pqfp-208, 0.5 mm lead 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 A54SX08-1PQG208.
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
A54SX08-1PQG208 is suitable for 6 applications: Industrial Control and Automation Glue Logic, 5V Legacy System Interface and Bus Bridging, High-Reliability and Aerospace Heritage Boards, Communications and Networking Line-Card Logic, Test and Measurement Instrument Interconnect, Security-Sensitive Fixed-Function Logic.
Industrial Control and Automation Glue Logic
The A54SX08-1PQG208 fits industrial control boards that need deterministic, non-volatile logic between microcontrollers, PLC I/O modules, and field buses. Its 512 logic cells and 130 user I/O absorb address decoding, interrupt merging, handshake generation, and bus arbitration that would otherwise require many discrete devices. The antifuse fabric is configuration-immune: after power loss the FPGA resumes operation with no boot flash and no configuration corruption risk from industrial power transients. Because the device supports a 3.3V core with 5V I/O supply (4.75-5.25V), it connects directly to legacy 5V TTL-level sensors and backplane signals common on factory floors. The 280 MHz family timing ceiling far exceeds the sub-100 MHz clock rates typical of industrial controllers, leaving generous timing margin across -1 speed-grade routing. Design the I/O constraints once in the Libero/Designer flow and the resulting programmed part behaves like a fixed gate array.
Recommended
5V Legacy System Interface and Bus Bridging
Many retrofit programs must connect modern 3.3V electronics to 5V TTL backplanes, VME-style boards, or legacy test equipment. The A54SX08-1PQG208 is one of the few active FPGAs offering native 5V I/O operation, with the I/O rail specified at 4.75V to 5.25V and the core at 3.3V per the SX family datasheet. This eliminates level-shifter networks that would otherwise add propagation delay and board area across 130 channels. Use the 512 logic cells for bus width conversion, parity generation, byte swapping, and handshake translation between 5V and 3.3V domains. The antifuse, one-time-programmable nature suits long-life fielded equipment where firmware updates are impractical and configuration integrity over decades matters. Verify 5V drive strength in the datasheet I/O tables and budget the 0.5 mm pitch PQFP land pattern against your existing board's routing density before committing the footprint.
Recommended
High-Reliability and Aerospace Heritage Boards
The Actel SX antifuse family has a long heritage in high-reliability and aerospace programs because OTP antifuse configuration cannot be flipped by single-event upsets in the configuration memory - there is no configuration memory to corrupt. The A54SX08-1PQG208 suits fixed-function mission logic, telemetry encoders, and decoder glue logic on heritage boards being re-spun. Its sea-of-modules architecture gives deterministic per-module timing that simplifies worst-case timing sign-off required in safety reviews, and the absence of an external configuration device removes a common single point of failure. For extended-temperature environments, pair this commercial 0C to +70C part selection process with the -I industrial variants of the family listed on this site. Note that radiation-tolerant derivatives such as the RTAX family exist in Microchip's lineup when program requirements exceed commercial antifuse qualification.
Recommended
Communications and Networking Line-Card Logic
Line cards and communication adapters frequently need fast fixed-function logic for framing, CRC checking, address filtering, and clock-domain bridging. The A54SX08-1PQG208's 280 MHz maximum frequency and low-capacitance antifuse interconnect give predictable propagation per logic module, which matters for pipeline stages operating at 100 MHz-class line rates. The 130 I/O in the 208-pin PQFP provide enough parallel interface width for 32/64-bit data buses plus control and status signals in a 0.5 mm pitch surface-mount footprint. Because configuration is one-time-programmable, deployed cards cannot be reconfigured maliciously - a security plus for infrastructure equipment. Design caution: the -1 speed grade is the slowest bin, so close timing on your critical pipeline path in the Designer static timing report before release, and consider A54SX08-2PQG208 if your compiled design shows negative slack.
Recommended
Test and Measurement Instrument Interconnect
Bench instruments, rack-based acquisition systems, and custom testers rely on FPGA fabric for trigger generation, timing-strobe distribution, and scan-chain control. The A54SX08-1PQG208 provides 512 deterministic logic cells with the SX family's 280 MHz timing ceiling, ample for trigger state machines and time-stamp counters that must not exhibit configuration-dependent jitter. The 130 I/O support wide parallel probe interfaces, and the 5V-compatible I/O supply lets the FPGA speak directly to legacy instrument buses at TTL levels. Non-volatile antifuse configuration means the tester is functional the instant power is applied - no boot sequencing, which shortens test-cycle start-up compared with SRAM FPGAs that need configuration loading. Place the PQFP with short, length-matched traces to timing-critical I/O and follow the datasheet decoupling guidance to keep supply bounce within budget on simultaneous-switching outputs.
Recommended
Security-Sensitive Fixed-Function Logic
Applications with design-confidentiality requirements - payment terminals, licensed media devices, proprietary controllers - benefit from antifuse FPGAs because there is no bitstream to extract: the configuration physically exists as programmed antifuse links. The A54SX08-1PQG208's 8K gates accommodate encryption wrappers, key-handling state machines, and access-control decode logic whose structure must remain opaque. Unlike flash or SRAM devices, no readback mechanism exposes the design, and power-up behavior is immediate with no vulnerable configuration-load window during which an attacker could force alternate content. Implement critical functions with redundant routing within the 512 cells and verify the compiled netlist in the Microchip Designer flow. For deployments needing more logic or harsher temperature ranges, the same-package A54SX32-1PQG208I listed on this site keeps the footprint while raising capacity and extending rating to -40C to +85C.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-2PQG208 | A54SX32-1PQG208 | A54SX32-1PQG208I | A54SX16P-PQG208 |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQG208) | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same |
| Brand | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) |
| Logic Gates | 8,000 | 8,000 | ~30,000 | ~30,000 | ~16,000 |
| Speed Grade | -1 | -2 (faster) | -1 | -1 | [DATA_NEEDED] |
| Operating Temperature | 0C to +70C | 0C to +70C | 0C to +70C | -40C to +85C (industrial) | 0C to +70C |
| Supply Voltage | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O |
| Recompilation Needed for Substitution | N/A | Timing re-verify only (same die) | Yes - full recompile and pin review | Yes - full recompile and pin review | Yes - full recompile and pin review |
| Price (qty 1) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Identical die, faster timing available (vs A54SX08-2PQG208)
- Density upgrade without board respin (vs A54SX32-1PQG208)
- Extended temperature for harsh environments (vs A54SX32-1PQG208I)
- Non-volatile OTP configuration security (vs SRAM FPGAs (Xilinx/Intel))
Design Notes
The A54SX08 is one-time-programmable. Never release a programming file before completing simulation and static timing closure in the Microchip Designer/Libero flow; a mistake cannot be patched. For prototypes, order blank devices and program in-house, or use a socketed PQFP to protect against rework costs. Also verify your Libero/Designer release still supports the legacy SX family before starting a new design.
The 208-lead PQFP has a 0.500 mm lead pitch - inspect solder joints with X-ray or AOI since fine-pitch QFP bridging is a common assembly defect. Keep a solid ground plane under the device, place 0.1uF decoupling capacitors within 2-3 mm of each supply pin pair, and match trace lengths for timing-critical parallel buses. Confirm land pattern against the Microchip SX datasheet package drawing before layout release.
The dual-supply architecture needs correct power sequencing discussion: power the I/O rail (5V or 3.3V) and core (3.0-3.6V) per the SX family datasheet power-up recommendations to avoid latch-up through the I/O structures. Budget current for simultaneous-switching outputs - with 130 I/O, ground bounce can corrupt margins; limit the number of outputs switching in the same nanosecond window in the Designer I/O timing report.
Compliance Information
Compliance status was not stated in the verified web data. Actel-era PQFP parts exist in both tin-lead and lead-free finishes; confirm the exact ordering suffix on the Microchip product page or DigiKey listing (part 2858302) before assuming RoHS status.
