A54SX16P-2PQG208I - 24K-Gate SX FPGA 208-PQFP | Microchip
MPN: A54SX16P-2PQG208I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $58 | $58.00 |
| 10 | $52.2 | $522.00 |
| 100 | $46.4 | $4,640.00 |
| 500 | $42 | $21,000.00 |
| 1,000 | $38.5 | $38,500.00 |
Drop-in alternatives for A54SX16P-2PQG208I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-1PQG208I
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View Datasheet →A54SX16P-2PQ208I
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A54SX16P-PQG208I
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$38.75 / Unit
View Datasheet →A54SX16P-2PQG208I Maximum Ratings & Electrical Characteristics
| Family | SX (Actel/Microsemi SX FPGA) |
| System Gates | 24000 gates |
| Equivalent Gates | 16000 gates |
| Logic Array Blocks (LABs) | 1452 |
| User I/O | 175 |
| Maximum Clock Frequency | 320 MHz |
| Combinatorial Delay | 0.7 ns |
| Speed Grade | -2 |
| Supply Voltage Range | 3 V to 3.6 V |
| Technology | CMOS |
| Package | 208-PQFP (S-PQFP-G208, BFQFP), 0.50 mm pitch |
| Mounting Type | Surface Mount |
| Configuration Type | One-Time Programmable (antifuse family) |
| Terminal Pitch | 0.50 mm |
| JESD-30 Package Code | S-PQFP-G208 |
A54SX16P-2PQG208I s-pqfp-g208 Pin Configuration Guide
Complete pinout information for A54SX16P-2PQG208I (s-pqfp-g208 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-2PQG208I.
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-2PQG208I is suitable for 6 applications: Industrial Control Systems, Cloud Computing and Server Infrastructure, Communications and Networking Equipment, Test and Measurement Instrumentation, Aerospace and Defense Legacy Platforms, Board-Level Glue Logic Consolidation.
Industrial Control Systems
The A54SX16P-2PQG208I fits industrial control as a flexible glue-logic and supervisory-logic fabric: its 24,000 system gates and 1452 LABs absorb state machines, bus arbitration, and I/O expansion that would otherwise require multiple discrete logic devices. The 175 user I/O in the 208-pin PQFP allow wide parallel interfaces to PLC backplanes, motor drive controllers, and sensor racks at standard 3.3 V signaling from a 3.0 V to 3.6 V supply. The 320 MHz fabric ceiling and 0.7 ns combinatorial delay keep critical deterministic paths comfortably inside timing closure. The industrial I temperature grade supports factory-floor environments, and antifuse one-time programming provides configuration that survives power cycling without boot devices, a reliability benefit in unattended installations.
Recommended
Cloud Computing and Server Infrastructure
Server management, backplane bridging, and board-level sequencing logic in cloud-computing hardware are classic SX family roles, and distributor categorization explicitly lists cloud computing for this MPN. The A54SX16P-2PQG208I contributes 175 user I/O for SMBus/IPMI-style sideband monitoring, fan-control state machines, hot-swap handshaking, and status fan-out across a 3.3 V domain. The 24K-gate fabric implements these functions with deterministic single-event timing (0.7 ns combinatorial delay), avoiding the jitter and sequencing ambiguity of microcontroller bit-banging. Because the antifuse configuration is active the instant power is applied with no configuration load time, housekeeping logic is available during system power-up, which SRAM FPGAs cannot guarantee, making the A54SX16P-2PQG208I well suited to always-on infrastructure duties.
Recommended
Communications and Networking Equipment
In line cards, backplane adapters, and telecom transport hardware, the A54SX16P-2PQG208I serves as interconnect logic: framing, alignment, error checking, and parallel bus translation between PHY devices and higher-layer processors. The 320 MHz maximum clock frequency supports high-rate synchronous pipelines, while 175 user I/O terminate wide POS-PHY-style parallel data buses across the 208-pin PQFP footprint. The -2 speed grade provides the fastest family timing for latency-sensitive path logic, and 0.7 ns combinatorial delays enable multi-level logic between registers within a single clock period at moderate frequencies. The 3.0 V to 3.6 V dual-rail operation integrates directly with 3.3 V line-card power planes common in telecom shelves.
Recommended
Test and Measurement Instrumentation
Bench instruments, ATE fixtures, and protocol analyzers rely on the A54SX16P-2PQG208I for trigger logic, timing generators, counter chains, and stimulus fan-out. The 1452 LAB fabric builds multi-channel pattern generators and deep state machines, and the 175 user I/O route dozens of simultaneous test points from one 208-pin PQFP device, shrinking board area versus discrete TTL. Deterministic 0.7 ns combinatorial delay and the -2 speed grade give reproducible channel-to-channel skew, essential for measurement repeatability. The antifuse configuration is immune to configuration upsets during noisy switching events, a practical advantage when the FPGA sits beside relays and high-current stimulus drivers on the same PCB.
Recommended
Aerospace and Defense Legacy Platforms
The Actel/Microsemi SX family has a long heritage in defense electronics, where one-time-programmable antifuse fabric is valued for design security and configuration immunity to SEU-induced configuration loss. In avionics legacy-card maintenance, the A54SX16P-2PQG208I with its industrial I grade and 3.0 V to 3.6 V rails supports obsolescence-driven respins of processing, interface, and telemetry boards. The 175 user I/O map to MIL-STD-style parallel buses and discretes, and 24,000 system gates provide capacity for protocol bridges and built-in-test logic. Microchip's continued support of the SX product line and related RTAX space portfolio (RTAX2000S, RTAX250SL families) sustains long-lifecycle program availability for this class of device.
Recommended
Board-Level Glue Logic Consolidation
A primary A54SX16P-2PQG208I use case is replacing 74xx-class discrete logic: address decoding, wait-state generation, bus transceiving, and interrupt aggregation collapse into one 208-pin PQFP device. The 0.7 ns combinatorial delay is faster than most TTL-equivalent paths, and 24,000 system gates typically consolidate dozens of SSI/MSI packages, cutting BOM lines, assembly cost, and board area. The 3.0 V to 3.6 V supply matches 3.3 V processor I/O banks, while the 175 user I/O leave headroom for future netlist changes, an important property because antifuse devices cannot be reprogrammed in place; designers should reserve spare I/O and floorplan generously during initial layout of the 208-PQFP footprint.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-2PQG208I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-1PQG208I | A54SX16P-2PQ208I | A54SX16P-PQG208I |
|---|---|---|---|---|
| Package | 208-PQFP (S-PQFP-G208), 0.50 mm pitch | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 24000 |
| Speed Grade | -2 | -1 | -2 | [DATA_NEEDED] |
| User I/O | 175 | 175 | 175 | 175 |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Logic Array Blocks | 1452 | 1452 | 1452 | 1452 |
| Temperature Grade | Industrial (I) | Industrial (I) | Industrial (I) | [DATA_NEEDED] |
Key Differentiators
- Fastest family timing (vs A54SX16P-1PQG208I)
- Zero configuration load time (vs A3PE600-2FGG484)
- Design security and SEU-immune configuration (vs SRAM FPGAs)
Design Notes
The SX family is one-time programmable (antifuse-based). Unlike SRAM FPGAs, a programmed A54SX16P-2PQG208I cannot be erased or reconfigured - a bitstream error means a new device and, if pins changed, a possible respin. Complete gate-level timing simulation before programming, verify I/O assignments against the SX family datasheet pin table for the 208-PQFP package, and reserve spare user I/O and routing headroom in the initial floorplan for future netlist revisions.
The device operates from 3.0 V to 3.6 V supply rails per Microchip product data. Provide local 0.1 uF ceramic decoupling at multiple VDD pins around the 208-PQFP perimeter plus bulk 10 uF per supply domain. Antifuse SX devices have low static power but dynamic power scales with clock frequency and toggle rate; at the 320 MHz fabric ceiling, measure core current in-system rather than relying solely on the Designer power estimator for rail sizing.
With 175 user I/O on a 0.50 mm pitch PQFP, simultaneous switching output (SSO) noise is the main signal-integrity risk. Group high-toggle-rate outputs on I/O banks with adequate nearby ground pins, insert series termination (22-33 ohm) on fast edge-rate outputs, and keep return paths solid beneath the package. Consult Microchip SX family application notes on I/O bank grounding before finalizing breakout routing on the 208-pin footprint.
Compliance Information
Compliance data was not included in the verified web data for this MPN. G-suffix package variants in the SX family conventionally denote green packaging; confirm RoHS/REACH status from Microchip's official material declaration for A54SX16P-2PQG208I before ordering.
