A54SX32-2BGG329 - SX FPGA 48K Gates 329-BGA | Microchip
MPN: A54SX32-2BGG329 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1 | $1.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for A54SX32-2BGG329 — 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:
A54SX32-2BGG329I
✅ Drop-In✓ In Stock
$88.9 / Unit
View Datasheet →A54SX32-1BGG329I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$47.8 / Unit
View Datasheet →A54SX32-1BGG329
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$544.99 / Unit
View Datasheet →A54SX32-BGG329
✅ Drop-In✓ In Stock
$515.58 / Unit
View Datasheet →A54SX32A-2BGG329
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-1BGG329
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-2BGG329 Maximum Ratings & Electrical Characteristics
| Family | SX (Actel antifuse FPGA) |
| System Gates | 48000 |
| Logic Blocks (CLBs) | 2880 |
| User I/O | 249 |
| Speed Grade | -2 |
| Technology | 0.35 um CMOS antifuse |
| Supply Voltage | 3.3 V |
| I/O Voltage Support | 3.3 V / 5 V tolerant |
| Programmability Type | One-time programmable (antifuse) |
| Package | 329-BBGA (PBGA-329, 1.27 mm pitch) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Configuration Storage | On-chip (nonvolatile antifuse), instant-on |
| External Config Device | Not required |
A54SX32-2BGG329 329-bbga (pbga-329, 1.27 mm pitch) Pin Configuration Guide
Complete pinout information for A54SX32-2BGG329 (329-bbga (pbga-329, 1.27 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 A54SX32-2BGG329.
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
A54SX32-2BGG329 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Equipment, Data Acquisition Systems, Glue Logic Consolidation, Aerospace-Adjacent Industrial and Defense Support Systems, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX32-2BGG329 fits industrial control systems where deterministic, instant-on logic is mandatory. Its antifuse configuration means the 48K-gate design is active at the moment power is applied, with no configuration readout delay or boot-flash corruption risk on electrically noisy factory floors. With 249 user I/O it can absorb motor-interface handshaking, sensor aggregation, and PLC backplane glue logic that would otherwise require several discrete devices, cutting board area and cost. The 329-BBGA at 1.27 mm pitch assembles reliably on standard industrial SMT lines. Engineers should select the industrial-temperature A54SX32-2BGG329I variant for cabinets that exceed commercial ambient limits, keeping the same PCB footprint.
Recommended
Communications and Networking Equipment
In telecommunications line cards and networking backplanes, the A54SX32-2BGG329 implements bus bridging, framing, and control-plane logic at speed grade -2 timing using the SX sea-of-modules architecture, which Microchip designed specifically for performance-intensive applications. Its 5V-tolerant I/O support simplifies interfacing with legacy 5V signaling common in older telecom shelves, while the 3.3V core keeps dynamic power manageable. Because the design bitstream is fused on-chip and cannot be read out, the SX family also addresses the IP-security concerns of networking OEMs. The 329-ball BGA supports the high I/O fan-out of line-card connectors and PHY devices in a single package.
Recommended
Data Acquisition Systems
For high-channel-count data acquisition, the A54SX32-2BGG329 serves as the sequencing, timing, and interface controller around precision converters. Its 249 user I/O comfortably drive multiple converter serial interfaces, calibration multiplexers, and system status lines, while speed grade -2 fabric handles the tight trigger-to-sample timing skews that DAQ front ends demand. The instant-on antifuse configuration ensures that acquisition logic is ready before analog settle completes at power-up, an advantage over SRAM FPGAs that require boot time. Designers typically pair the FPGA with 24-bit delta-sigma ADCs and isolated digital interfaces to build complete measurement chains on one board.
Recommended
Glue Logic Consolidation
A primary cost-driven use of the A54SX32-2BGG329 is replacing dozens of 74-series devices, PALs, and CPLDs with one 48K-gate chip. Microchip positions the SX family for 'dramatic reductions in design costs and power consumption' through this integration. The 249 I/O cover address/data bus transactions, memory chip-select decoding, interrupt aggregation, and interface translation in a single reprogrammable-in-design device, reducing BOM lines, assembly steps, and board failure points. Because the device is one-time programmable, consolidations are best performed when the system logic is stable; the resulting single-chip solution then provides permanent, secure, boot-free operation for the product lifetime.
Recommended
Aerospace-Adjacent Industrial and Defense Support Systems
The Actel SX family has a long heritage in high-reliability applications, and the A54SX32-2BGG329 remains a preferred choice for ground-support equipment, test rigs, and non-flight defense-industrial electronics that inherit antifuse FPGA design practices. Its configuration cannot be disturbed by radiation-induced configuration upsets in the way SRAM bitstreams can, and it contains no external configuration memory to corrupt - properties valued in systems where unattended reliability matters. The 329-BBGA package with 1.27 mm pitch supports board-level inspection and rework, and 48K gates accommodate interface bridges, telemetry formatters, and safety interlock logic in a single qualified footprint.
Recommended
Test and Measurement Instrumentation
Bench and rack instruments use the A54SX32-2BGG329 as the timing and control fabric coordinating stimulus generation, digitizer control, and host interfaces. Speed grade -2 fabric delivers the deterministic sub-microsecond trigger response that instrument state machines require, and the 249 I/O drive front-panel indicators, relay control arrays, and multiple peripheral buses concurrently. Instant-on antifuse configuration lets the instrument become operational during its own power-up self-test sequence without waiting for logic download, shortening perceived startup time. The device integrates cleanly with precision ADCs, digital isolators, and temperature monitors to form complete instrument control subsystems.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-2BGG329 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-2BGG329I | A54SX32-1BGG329I | A54SX32A-2BGG329 | A54SX32A-1BGG329 |
|---|---|---|---|---|---|
| Package | 329-BBGA (1.27 mm pitch) | 329-BBGA - same | 329-BBGA - same | 329-BBGA - same | 329-BBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48,000 | 48,000 | 48,000 | 48,000 | 48,000 |
| User I/O | 249 | 249 | 249 | 249 | 249 |
| Speed Grade | -2 | -2 | -1 | -2 | -1 |
| Family | SX | SX | SX | SX-A | SX-A |
| Temperature Grade | Commercial | Industrial | Industrial | [DATA_NEEDED] | [DATA_NEEDED] |
| Configuration Type | Antifuse (OTP), instant-on | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Highest speed grade in same package (-2) (vs A54SX32-1BGG329I)
- Nonvolatile instant-on antifuse configuration (vs A54SX32A-2BGG329)
- Commercial grade cost advantage (vs A54SX32-2BGG329I)
Design Notes
The 329-BBGA uses a 1.27 mm ball pitch, which is generous by BGA standards and allows conventional via-in-pad or dog-bone escape routing on 4-6 layer boards. Fan out power and ground balls to dedicated planes and place 0.1 uF decoupling capacitors within 3 mm of the supply ball pairs. Verify the footprint against the Microchip 54SX datasheet package drawing rather than third-party footprints, since some brokers ship legacy Actel-era land patterns that differ in mask expansion.
The A54SX32 is one-time programmable: after programming, the logic cannot be erased or changed. Complete full functional verification in Microchip Libero/Designer with timing simulation before submitting the design for programming, and always reserve a small number of spare I/O and spare logic capacity for post-silicon fixes. Ordering commercial-grade parts for industrial temperature environments is a common sourcing mistake - use the A54SX32-2BGG329I suffix for extended temperature requirements.
Estimated: the SX family core runs at 3.3 V and dynamic power scales with toggle rate and I/O count. With 249 I/O at moderate switching rates, budget supply current per the datasheet power calculator in Microchip Designer rather than a single typical figure. Provide 5V-tolerant I/O compliance by respecting per-bank current limits when interfacing legacy 5V systems, and decouple the core supply independently from the I/O supply to prevent ground bounce on simultaneously switching outputs.
Compliance Information
FindIC lists the PBGA-329 package as RoHS compliant. Other compliance attributes not stated in provided data.
