Microchip Technology

A54SX16P-1PQG208M - SX FPGA 24K Gates 208-PQFP | Microchip

MPN: A54SX16P-1PQG208M ✓ Active
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3.3 V Vdss 208-pin PQFP (BFQFP) Package 3.7 ns Speed
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Price updated: 2026-09-02
Volume Pricing
Qty Unit Price Extended
1 $42.5 $42.50
10 $38.9 $389.00
100 $34.8 $3,480.00
500 $31.2 $15,600.00
1,000 $28.5 $28,500.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX16P-1PQG208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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A54SX16P-1PQG208

✅ Drop-In
Microchip Technology
📦 208-PQFP
SX (Axcelerator predecessor antifuse FPGA) · 16000 · 924 · 1452 · 175 · -1 · 280 MHz · 320 MHz (family maximum)

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View Datasheet →

A54SX16P-1PQG208I

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Microchip Technology
📦 208-PQFP
SX (54SX) Antifuse FPGA · 24000 · 16000 · 1452 · 175 · 320 MHz · 3.7 ns · 0.1 ns

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A54SX16P-PQG208M

✅ Drop-In
Microchip Technology
📦 208-PQFP
SX-A (SX) · 24000 · 16000 · 924 · 175 · 240 MHz · 3.3 V, 5 V · 0.35 um CMOS

✓ In Stock

$66.4 / Unit

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A54SX16P-PQG208I

✅ Drop-In
Microchip Technology
📦 208-PQFP
SX (AXcelerator/SX-A related SX family, Microsemi) · 16000 · 924 · 175 · 240 MHz · 0.35 um CMOS · 3.3 V (5 V tolerant I/O) · 208-BFQFP (PQFP)

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$38.75 / Unit

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A54SX16P-2PQG208

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Microchip Technology
📦 208-PQFP
SX (Actel SX, Microchip/Microsemi) · 24000 gates · 16000 gates · 1452 · 175 · 320 MHz · -2 · CMOS

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$49.2 / Unit

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A54SX16P-2PQG208I

✅ Drop-In
Microchip Technology
📦 208-PQFP
SX (Actel/Microsemi SX FPGA) · 24000 gates · 16000 gates · 1452 · 175 · 320 MHz · 0.7 ns · -2

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$38.5 / Unit

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A54SX16P-PQ208I

✅ Drop-In
Microchip Technology
📦 208-PQFP
SX (54SX Family) · 24,000 gates · 1,452 CLBs · 175 · 320 MHz · 3.7 ns · 0.1 ns · 0.25 ns

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A54SX16P-1PQG208M Maximum Ratings & Electrical Characteristics

Family SX (54SX) Antifuse FPGA
System Gates 24000
Logic Gates 16000
Logic Cells / Modules 924
User I/O 175
Internal Performance 320 MHz
Clock-to-Out (Pin-to-Pin) 3.7 ns
Input Set-Up Time 0.1 ns
Clock Skew 0.25 ns
Process Technology 0.35 um
Supply Voltage 3.3 V
I/O Voltage Compatibility 3.3 V operation with 5.0 V tolerant inputs
Programmability Type Antifuse (one-time programmable, non-volatile)
Supported Interface 66 MHz PCI
Speed Grade -1 (Standard)
Temperature Grade Commercial (M suffix = molded/TAPE designation)
Package 208-pin PQFP (BFQFP)
Mounting Type Surface Mount
Packaging Tape and Reel
Resource Utilization 100% with 100% pin locking

A54SX16P-1PQG208M 208-pin pqfp (bfqfp) Pin Configuration Guide

Complete pinout information for A54SX16P-1PQG208M (208-pin pqfp (bfqfp) 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.

208-pin pqfp (bfqfp) package pinout diagram for A54SX16P-1PQG208M

No detailed pinout data available for A54SX16P-1PQG208M.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A54SX16P-1PQG208M Drain-to-Source Voltage (Vds) Drain Current (Id)

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-1PQG208M is suitable for 6 applications: 66 MHz PCI Interface and Bridge Logic, CPLD and FPGA Single-Chip Consolidation, Industrial Control and Automation, High-Reliability and Legacy Defense Systems, Communications Line Cards, Test and Measurement Instrumentation.

🖥️

66 MHz PCI Interface and Bridge Logic

The A54SX16P-1PQG208M is explicitly rated for 66 MHz PCI single-chip integration, with 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup time, and 0.25 ns clock skew per the 54SX family datasheet. These figures allow the fabric to meet PCI setup/hold budgets at full 66 MHz while running at 100% resource utilization with 100% pin locking - a rare combination that lets designers lock the pinout early and still close timing. In a typical bridge design, the FPGA sits between a host PCI bus and local peripheral buses, absorbing CPLD-style glue functions into the same die. Because the antifuse fabric is non-volatile, the bridge is active at power-up with zero configuration latency, which is essential for PCI enumeration. 5V-tolerant I/O further simplifies interfacing with legacy 5V PCI signaling environments.

🔧

CPLD and FPGA Single-Chip Consolidation

Microchip positions the SX family as a CPLD and FPGA integration single-chip solution: the fine-grained C-cell/R-cell architecture replicates the predictable, fast pin-to-pin behavior of CPLDs while providing 24K system gates of FPGA capacity. For boards historically combining a CPLD for decode/state machines with an FPGA for datapath logic, the A54SX16P-1PQG208M merges both functions into one 208-pin PQFP, cutting BOM count, board area, and assembly cost. The 0.1 ns input setup and 3.7 ns clock-to-out figures mean address decode and handshaking logic behaves like a fast SPLD, while the 924 modules handle datapath tasks. Non-volatile antifuse configuration eliminates the boot CPLD/flash commonly needed beside SRAM FPGAs, removing another chip from the consolidation equation.

🏭

Industrial Control and Automation

In factory automation and industrial control backplanes, the A54SX16P-1PQG208M provides deterministic, instantly-active logic without configuration boot time, which shortens system power-up sequences on production lines. The 3.3 V core with 5V-tolerant inputs directly bridges legacy 5V industrial sensor and actuator signaling to modern 3.3V logic domains, eliminating level-shifting glue. For harsh-floor deployments, the same-die industrial variant A54SX16P-1PQG208I offers the extended -40C to +85C temperature range on the identical 208-pin PQFP footprint, letting one PCB layout serve both commercial and industrial builds. The antifuse fabric's immunity to configuration upset also suits electrically noisy motor-control environments where SRAM FPGA configuration corruption is a reliability concern.

✈️

High-Reliability and Legacy Defense Systems

Actel antifuse FPGAs such as the A54SX16P-1PQG208M are widely deployed in defense and aerospace legacy platforms precisely because the OTP fabric cannot be read back, providing design security, and is inherently resistant to configuration memory upset compared with SRAM FPGAs. Many fielded boards were designed around the 208-pin PQFP SX family, and sustaining those platforms requires continued sourcing of the exact footprint. The sea-of-modules architecture's predictable timing also simplifies certification documentation because delays do not shift with routing congestion between builds - an antifuse device programmed once exhibits fixed interconnect characteristics. For obsolescence mitigation, the same-die industrial and faster -2 grade variants listed on this page maintain pin and footprint continuity for long-life programs.

🌐

Communications Line Cards

Telecom and datacom line cards use the A54SX16P-1PQG208M for framing, glue, and interconnect logic where configuration security and instant-on behavior matter. The 320 MHz internal performance headroom supports high-rate state machines and multiplexing functions at T1/E1-through-STS-class rates, while 175 user I/O provides enough pins to terminate multiple serial links, LEDs, and backplane signals from a single 208-pin PQFP. Because antifuse configuration is immune to soft errors in the configuration store, the line card does not require configuration integrity monitoring or reload circuitry, reducing design complexity. The 0.25 ns clock skew specification simplifies source-synchronous interface timing closure across the board's clock distribution.

🔬

Test and Measurement Instrumentation

Bench and rack instrumentation designs employ the A54SX16P-1PQG208M for timing generators, bus interfaces, and control logic where deterministic delay is more valuable than reprogrammability. The 0.1 ns input setup and 0.25 ns clock skew enable precise, repeatable trigger timing across units - important for calibration stability, since an antifuse device's interconnect delays are permanently fixed after programming and cannot drift with temperature-induced SRAM reconfiguration variability. The 24K system gate capacity accommodates counters, decoders, and protocol engines, while 5V-tolerant inputs interface directly with legacy instrument I/O standards. Production lines benefit from instant power-up: instruments are ready before the operator's self-test completes.

What is the A54SX16P-1PQG208M and what are its key specifications?
The A54SX16P-1PQG208M is a Microchip (Actel/Microsemi) SX-family antifuse FPGA with 24,000 system gates, 924 logic cells, and 175 user I/O in a 208-pin PQFP package. It delivers 320 MHz internal performance, 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, 0.25 ns clock skew, and operates at 3.3 V with 5V-tolerant inputs on a 0.35 um process, per the 54SX family datasheet.
What is the difference between A54SX16P-1PQG208M and A54SX16P-1PQG208?
The two parts are functionally identical same-die 208-pin PQFP devices; the 'M' suffix denotes tape-and-reel packaging for automated pick-and-place assembly, while the non-M part ships in trays. According to Microchip ordering information, the -1 speed grade, 24K system gates, and all electrical specifications are identical, so either package code can be used interchangeably on the same PCB footprint.
Is A54SX16P-1PQG208I a drop-in replacement for A54SX16P-1PQG208M?
Yes. The A54SX16P-1PQG208I uses the same die, same 208-pin PQFP footprint, and same -1 speed grade as the A54SX16P-1PQG208M; the 'I' suffix adds the extended industrial operating temperature range. It is pin-to-pin compatible and suitable for commercial applications where the industrial grade gives extra temperature margin, though typically at a higher unit price.
What is the best drop-in replacement for A54SX16P-1PQG208M?
The best drop-in replacements are same-family 208-pin PQFP variants: A54SX16P-1PQG208 (tray, commercial), A54SX16P-1PQG208I (industrial temperature), A54SX16P-PQG208 (bulk-order speed variant), and A54SX16P-2PQG208 (-2 faster speed grade). All share the identical footprint and pinout, so no PCB rework is needed - only confirm the speed grade meets your timing budget.
Can a cross-brand FPGA replace the A54SX16P-1PQG208M pin-for-pin?
No verified cross-brand pin-compatible equivalent exists in the web cross-reference data for this part. Xilinx and Intel/Altera FPGAs are SRAM-based with different pinouts and require board redesign. Because the SX family uses Actel antifuse technology with a unique architecture, engineers needing a replacement must stay within the Microchip SX family 208-pin PQFP variants listed on this page.
When should I choose the A54SX16P-2PQG208 over the A54SX16P-1PQG208M?
Choose the A54SX16P-2PQG208 when your design's static timing analysis fails at the -1 speed grade and you need faster clock-to-out or higher internal toggling rates. It is pin-compatible in the same 208-pin PQFP package. For designs meeting timing at -1, the A54SX16P-1PQG208M is more economical; the -2 grade is a timing insurance upgrade, not a functional change.
Is the A54SX16P-1PQG208M suitable for 66 MHz PCI designs?
Yes. According to the 54SX family datasheet, the SX family supports 66 MHz PCI with a single-chip CPLD and FPGA integration solution, achieving 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, and 0.25 ns clock skew. These timing figures allow 100% resource utilization with 100% pin locking while still meeting PCI timing, which is a headline application of this family.
Where can I download the A54SX16P-1PQG208M datasheet PDF?
The 54SX Family FPGA datasheet covering the A54SX16P-1PQG208M is available on the official Microchip product page at microchip.com/en-us/product/A54SX16P. Mirror copies are hosted by datasheet aggregators such as datasheet4u.com and digchip.com, but always use the Microchip portal for the latest revision. The datasheet includes the full 208-pin PQFP pinout, timing parameters, and programming details.
Where can I find the A54SX16P-1PQG208M pinout?
The complete 208-pin PQFP pinout for the A54SX16P-1PQG208M is in the 54SX Family FPGAs datasheet, in the package pinout tables section for the PQ208 package. It lists the 175 user I/O plus VCC, GND, VPP, VCI, and program/test pins. The Microchip Libero IDE software also generates package views interactively for the PQ208 footprint.
What is the price of A54SX16P-1PQG208M?
As of 2026-09-03, the unit price of the A54SX16P-1PQG208M starts around $42.50 at quantity 1, dropping to approximately $28.50 at quantity 1000 on XAIPART's tiered schedule. Distributor pricing on DigiKey and Mouser varies with stock; Octopart reports availability from one or more distributors. Request a quote for volume pricing above 1000 units.
Where to buy A54SX16P-1PQG208M online?
The A54SX16P-1PQG208M can be purchased from DigiKey, Mouser, Microchip USA, Suntsu Electronics, and via quote from XAIPART. DigiKey lists it as in stock and shipping same day (as of the 2026-09-03 data pull). For production volumes, compare tier pricing across distributors or contact XAIPART for a consolidated quote with lead time.
Is the A54SX16P-1PQG208M in stock and what is the lead time?
According to the DigiKey product page captured on 2026-09-03, the A54SX16P-1PQG208M is in stock and ships same day for small quantities. Mouser also lists inventory. Franchised distributor stock is the primary supply channel; for large production quantities, lead time can extend to factory ordering, so confirm current stock and lead time with the distributor before committing a build schedule.
Hey Google, what can replace the A54SX16P-1PQG208M in my BOM?
Replace the A54SX16P-1PQG208M with pin-compatible 208-pin PQFP SX-family variants: A54SX16P-1PQG208, A54SX16P-1PQG208I (industrial temp), A54SX16P-PQG208, A54SX16P-PQG208M, A54SX16P-PQG208I, or the faster A54SX16P-2PQG208. All are Microchip same-die drop-ins requiring no PCB change; there is no verified cross-brand pin-compatible substitute.
Is the A54SX16P the same as the A54SX16?
No - they are related but different dies. The A54SX16 is the original SX family part, while the A54SX16P is the enhanced 'P' family with higher performance (320 MHz internal, 3.7 ns clock-to-out) and 5V-tolerant I/O. Both offer similar gate counts (16K gates), and both exist in 208-pin PQFP packages, but the P-suffix die is not guaranteed to match non-P timing, so verify timing before substitution.
What are the design considerations for the antifuse (one-time programmable) A54SX16P?
The A54SX16P uses Actel antifuse technology, which is one-time programmable and non-volatile. According to Microchip documentation, this means the device powers up instantly with no configuration loader, resists configuration readback, and suits high-reliability use. The trade-off: a design revision requires a new physical part, so complete full simulation and timing verification before programming, and hold spare programmed units.
What tools are used to program the A54SX16P-1PQG208M?
The A54SX16P-1PQG208M is designed in Microchip (Actel/Microsemi) Libero SoC design suite, which provides synthesis, place-and-route, and timing analysis for SX-family antifuse devices. Programming is performed with the Silicon Sculptor programmer using the generated antifuse fuse file. Legacy designs may also reference Actel Designer software; Libero remains the current supported toolchain per the Microchip product page.
Is the A54SX16P-1PQG208M RoHS compliant?
The RoHS status of the A54SX16P-1PQG208M is not explicitly stated in the captured distributor snippets, so it cannot be confirmed here - the suffix 'G' in PQG208 conventionally denotes a lead-free/green package in Microchip's nomenclature. Always verify current RoHS, REACH, and halogen-free certificates on the official Microchip product page or the distributor compliance documents before release to production.

Engineering reference data for A54SX16P-1PQG208M — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX16P-1PQG208M when you need 24K antifuse gates, 175 I/O, and 66 MHz PCI-class timing in a 208-pin PQFP for commercial-temperature production assembled by machine - the M suffix tape-and-reel format suits automated pick-and-place. Choose A54SX16P-1PQG208 if you hand-assemble prototypes or load trays (same die, lower packaging cost). Choose A54SX16P-1PQG208I or A54SX16P-PQG208I for -40C to +85C industrial environments on the identical footprint. Choose A54SX16P-2PQG208 (or -2PQG208I) when timing analysis at -1 is marginal. All alternatives are Microchip same-family drop-ins; no verified cross-brand pin-compatible substitute exists, so multi-source strategies must stay within the SX P-family. Trade-off to remember: antifuse is OTP - pick the speed and temperature grade with margin before programming, since changes require new devices.

Comparison with Alternatives

Parameter This Product A54SX16P-1PQG208 A54SX16P-1PQG208I A54SX16P-2PQG208 A54SX16P-PQ208I
Package 208-PQFP (BFQFP) 208-PQFP - same 208-PQFP - same 208-PQFP - same 208-PQFP - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 24000 24000 24000 24000 24000
Speed Grade -1 (Standard performance P-family) -1 (same) -1 (same) -2 (faster) Standard (P-family)
Operating Temperature Commercial Commercial Industrial (-40C to +85C) Commercial Industrial (-40C to +85C)
User I/O 175 175 175 175 175
Programmability Antifuse (OTP, non-volatile) Antifuse (OTP) Antifuse (OTP) Antifuse (OTP) Antifuse (OTP)
Packaging Format Tape & Reel (M suffix) Tray [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]

Key Differentiators

  • Non-volatile antifuse fabric with instant power-up and no configuration device (vs A54SX16-1TQG176 (original SX, non-P die))
  • Industrial temperature drop-in available on identical footprint (vs A54SX16P-1PQG208I)
  • Timing headroom upgrade without respin (vs A54SX16P-2PQG208)

Design Notes

Antifuse devices are one-time programmable: once programmed, the A54SX16P-1PQG208M cannot be erased or reprogrammed. Complete RTL simulation, static timing analysis at the -1 speed grade, and gate-level verification before submitting parts to the Silicon Sculptor programmer. Budget scrap - a design change invalidates every programmed unit. Order engineering lots accordingly and keep the source constrained in Libero so production place-and-route results match your verified run.

The A54SX16P operates from a 3.3 V supply with 5V-tolerant input structures; do not drive outputs above 3.3 V. Decouple VCC and the programming-related supply pins (VPP/VCI, per the 54SX datasheet power section) with low-ESR ceramics placed within a few millimeters of the PQFP pins. Because antifuse routing is fixed, static power is dominated by I/O loading - estimate dissipation from your actual toggle rates and output loads rather than worst-case family tables.

The 208-pin PQFP has a 0.5 mm pin pitch with leads on four sides; use an oxide-clean solder-mask-defined land pattern and inspect for solder bridging on the fine pitch. Assign unused I/O as inputs with pull-up or tri-state with weak pull-up in Libero to avoid floating-node contention. Maintain controlled-impedance routing on the 66 MHz PCI bus group and keep clock traces short and matched - the 0.25 ns clock skew spec assumes a clean clock distribution.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Compliance status not explicitly stated in captured distributor data. The 'G' suffix in PQG208 conventionally indicates Microchip's green/lead-free package, but official RoHS/REACH certificates must be confirmed on the Microchip product page before production release.

Data verified on: 2026-09-03 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Microchip Technology A54SX16P-1PQG208M A54SX16P-1PQG208I A54SX16P-2PQG208 Actel Microsemi SX family FPGA field-programmable gate array antifuse one-time programmable FPGA CPLD 208-pin PQFP BFQFP 66 MHz PCI clock skew clock-to-out Libero SoC Silicon Sculptor tape and reel industrial control line card test and measurement
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