Microchip Technology

A3P125-2PQG208I - ProASIC3 Flash FPGA 1.5KLE | Microchip

MPN: A3P125-2PQG208I βœ“ Active
In Stock Ships in 1-3 business days
1.5 V Vdss 208-BFQFP (PQG208) Package 310 MHz Speed Nonvolatile flash (single chip, Instant On) Memory
From $18.75 USD / Unit
MOQ: 1 |
Price updated: 2026-08-30
Volume Pricing
Qty Unit Price Extended
1 $28.5 $28.50
10 $26.2 $262.00
100 $23.1 $2,310.00
500 $20.4 $10,200.00
1,000 $18.75 $18,750.00
ℹ️ All prices are in USD

Drop-in alternatives for A3P125-2PQG208I 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:

A3P125-1PQG208I

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 208-PQFP (PQG208)
Speed grade -1 vs -2 (lower max frequency, same 1500 LEs, 133 I/O, same footprint and pinout)

πŸ“‹ Reference alternative (not in catalog)

A3P125-2PQG208

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
Microchip Technology
πŸ“¦ 208-PQFP (PQG208)
ProASIC3 Β· 125000 Β· 1500 Β· 36864 bits Β· 133 Β· 310 MHz Β· -2 Β· 1.5 V

βœ“ In Stock

$22.3 / Unit

View Datasheet β†’

A3P125-PQG208I

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 208-PQFP (PQG208)
Standard (slower) speed grade vs -2, same LEs, I/O count, industrial temperature and footprint

πŸ“‹ Reference alternative (not in catalog)

A3P125-1PQG208

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 208-PQFP (PQG208)
Speed grade -1 and commercial temperature vs -2 industrial; same die, pinout and footprint

πŸ“‹ Reference alternative (not in catalog)

A3P125-2PQG208M

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
πŸ“¦ 208-PQFP (PQG208)
Military (M) temperature grade vs industrial, otherwise same -2 die, pinout and footprint

πŸ“‹ Reference alternative (not in catalog)

A3P125-2PQG208I Maximum Ratings & Electrical Characteristics

Family ProASIC3
Logic Elements 1500 LEs
System Gates 125K gates
Maximum System Frequency 310 MHz
Process Technology 130 nm CMOS flash
Core Supply Voltage 1.5 V
Number of User I/Os 133
Number of Registers 36864 bits system-equivalent entry (per DigiKey listing)
Configuration Memory Nonvolatile flash (single chip, Instant On)
Speed Grade -2
Temperature Grade Industrial (I)
Package 208-BFQFP (PQG208)
Mounting Type Surface Mount
Reprogrammability Yes, in-system reprogrammable
Security Flash lock / live-at-power-up design security
RoHS Status Lead free per distributor listing (Kynix: LEAD FREE)

A3P125-2PQG208I 208-bfqfp (pqg208) Pin Configuration Guide

Complete pinout information for A3P125-2PQG208I (208-bfqfp (pqg208) 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-bfqfp (pqg208) package pinout diagram for A3P125-2PQG208I

No detailed pinout data available for A3P125-2PQG208I.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A3P125-2PQG208I 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

A3P125-2PQG208I is suitable for 6 applications: Industrial Control and Automation, Secure Single-Chip Glue Logic and Bus Bridging, Avionics and Defense Subsystems, Portable and Battery-Powered Instrumentation, ASIC Prototyping and Low-Volume Replacement, IoT Edge Nodes and Smart Sensors.

🏭

Industrial Control and Automation

The A3P125-2PQG208I fits industrial control because its industrial temperature rating, nonvolatile Instant-On fabric, and 310 MHz system performance cover deterministic sequencing, sensor interfacing, and glue logic in PLCs, motor drives, and factory nodes. In typical use it bridges between an MCU and peripherals, implementing state machines and safety interlocks across the 133 user I/Os. Because configuration resides in on-chip flash on the 130 nm process, the design is active within microseconds of power-up with no external boot device, improving system availability and simplifying the BOM versus SRAM FPGAs.

πŸ”§

Secure Single-Chip Glue Logic and Bus Bridging

Legacy bus and interface bridging is a natural fit for the A3P125-2PQG208I: its 1,500 logic elements suffice for address decoders, memory controllers, and protocol translators, while flash-based design security resists bitstream extraction that plagues SRAM FPGAs. Single-chip Instant-On operation means bridge logic is functional before the host CPU finishes booting, meeting timing requirements of early-bus-initiation protocols. The 208-pin PQFP with 133 I/Os provides enough pins for wide parallel buses, and the -2 speed grade supports the modest timing targets these bridges require.

✈️

Avionics and Defense Subsystems

Microchip positions ProASIC3 as a cost-effective ASIC replacement for avionics and defense markets, and the A3P125-2PQG208I inherits that positioning: nonvolatile flash avoids configuration-write vulnerabilities at power-up, a concern in secure platforms. The industrial-grade -I device serves non-critical defense and avionics subsystems such as telemetry formatting, sensor aggregation, and discrete interface conditioning. The 130 nm flash process offers radiation-tolerant configuration storage relative to SRAM cells, and the reprogrammable fabric supports in-field capability updates without new silicon, reducing lifecycle cost for long-deployment programs.

πŸ“±

Portable and Battery-Powered Instrumentation

Handheld instruments benefit from the A3P125-2PQG208I's low static power on the 1.5V core and its single-chip flash architecture that removes the standby power and board area of an external configuration PROM. The 208-pin PQFP is mechanically robust for field equipment, and 133 user I/Os handle front-end multiplexing, display control, and sensor timing. Instant-On behavior lets the instrument capture events immediately upon trigger, which matters in data loggers and handheld test gear. The -2 speed grade comfortably covers timing-critical acquisition sequencing without the cost of faster grades.

πŸ–₯️

ASIC Prototyping and Low-Volume Replacement

Microchip markets ProASIC3 explicitly as an ASIC replacement with low total cost of ownership, and the A3P125-2PQG208I is the entry point for that workflow. Designers map small ASIC netlists (up to roughly 1,500 LEs) into the fabric for prototyping or bridge production while ASIC tooling is in progress. Because the device is reprogrammable, RTL respins cost no NRE, and Instant-On flash startup matches ASIC power-up behavior that SRAM FPGAs cannot replicate without external configuration. The 208-pin PQFP also simplifies prototyping boards compared with fine-pitch BGA alternatives.

🧩

IoT Edge Nodes and Smart Sensors

IoT edge nodes use the A3P125-2PQG208I to offload deterministic tasks from the host MCU: pulse capture, PWM generation, sensor timing, and protocol framing across the 133 I/Os. The flash fabric's low quiescent draw on the 1.5V core suits battery- and energy-harvesting-powered nodes, and Instant-On operation lets the node respond to wake events instantly. Design security through flash lock protects proprietary sensor algorithms at the edge, and reprogrammability enables over-the-air logic field updates via the host MCU when new sensor behaviors are required in deployed fleets.

What is the A3P125-2PQG208I?
The A3P125-2PQG208I is a Microchip Technology (formerly Microsemi) ProASIC3 flash-based FPGA with 1,500 logic elements (125K gates), up to 133 user I/Os, and a maximum system frequency of 310 MHz. It is built on a 130 nm flash process with a 1.5V core and packaged in a 208-pin BFQFP (PQG208) for industrial temperature ranges, per DigiKey and FindIC listings.
What are the key specifications of A3P125-2PQG208I that engineers should know?
The A3P125-2PQG208I is a ProASIC3 FPGA with 1,500 LEs, 125K system gates, 310 MHz maximum performance, 133 user I/Os, and a 1.5V core supply in a 208-pin PQFP. It uses nonvolatile flash configuration, so it is single-chip and Instant On with no external boot device, and the -2 speed grade with industrial temperature rating suits harsh embedded designs.
Where can I buy A3P125-2PQG208I online?
The A3P125-2PQG208I can be purchased from XAIPART as well as major distributors including DigiKey (listing 2859633), Mouser, and authorized brokers aggregated on Octopart, which reports 3 to 7 stocking distributors. Availability varies by lot date code, so XAIPART recommends requesting a quote with your required quantity and date code constraints.
What is the price of A3P125-2PQG208I?
Pricing for the A3P125-2PQG208I is tiered: approximately $28.50 at quantity 1, declining through $26.20 (qty 10), $23.10 (qty 100), $20.40 (qty 500), to $18.75 (qty 1000) as of 2026-08-31. Exact pricing fluctuates with distributor stock and lot date codes, so confirm with XAIPART for a current quote before ordering.
Is A3P125-2PQG208I in stock and what is the lead time?
Stock status changes frequently: DigiKey's listing shows buy-now/ship-today capability for some quantities, and Octopart aggregates 3-7 distributors carrying the part as of 2026-08-31. Lead time is typically same-day to a few days when distributor stock exists; otherwise factory lead times from Microchip can extend to several months for low-density ProASIC3 devices.
What is the difference between A3P125-2PQG208I and A3P125-2TQG144I?
Both are the same ProASIC3 A3P125 die in -2 industrial speed grade, but the A3P125-2PQG208I comes in a 208-pin PQFP with up to 133 user I/Os, while the A3P125-2TQG144I uses a smaller 144-pin TQFP with fewer available I/Os. They are NOT drop-in replacements because the packages and pinouts differ; PCB footprints must be redesigned.
What is the difference between A3P125-2PQG208I and A3P125-1PQG208I?
The difference is the speed grade: the A3P125-2PQG208I is a -2 speed grade device, while the A3P125-1PQG208I is the slower -1 grade. Both share the identical 208-pin PQFP footprint, pinout, 1,500 LE count, and flash fabric, so the -1 part can be a drop-in substitute where timing closure is relaxed, though worst-case timing paths must be re-verified.
What is the best drop-in replacement for A3P125-2PQG208I?
The best drop-in replacements are same-family Microchip parts in the identical 208-pin PQFP: A3P125-1PQG208I (slower -1 speed grade, pin-compatible), A3P125-2PQG208 (commercial temperature variant), and A3P125-PQG208I (standard speed, industrial). All three use the same footprint and pinout, requiring no PCB change, per the ProASIC3 family pinout definition.
Is there a cross-brand equivalent for A3P125-2PQG208I?
No verified cross-brand pin-compatible equivalent for the A3P125-2PQG208I was found in the cross-reference data as of 2026-08-31. FPGAs generally lack true cross-brand drop-in equivalents because routing architectures and pinouts are proprietary. Designers needing a second source should evaluate Xilinx or Lattice parts as functional (not pin-compatible) alternatives with a PCB respin.
When should I choose A3P125 over a larger ProASIC3 like A3P600?
Choose the A3P125 when your design fits within 1,500 logic elements and you want the lowest cost, lowest static power option in the ProASIC3 family. Choose the A3P600 (also available in PQG208, e.g., A3P600-2PQG208I) when capacity exceeds roughly 1.5K LEs; note the A3P600 provides up to 56K LEs in the same package style, but capacity and price increase substantially.
Is A3P125-2PQG208I suitable for industrial control applications?
Yes, the A3P125-2PQG208I is well suited to industrial control. Its industrial temperature rating, nonvolatile Instant-On flash fabric (no configuration time at power-up), single-chip operation, and low power consumption on a 130 nm flash process make it a common choice for motor control glue logic, sensor interfacing, and deterministic sequencing in factory automation environments.
Where can I download the A3P125-2PQG208I datasheet PDF?
You can download the ProASIC3 family datasheet PDF from the Microchip Technology website; the ProASIC3E Flash Family FPGAs datasheet (document 50003270B) is hosted at ww1.microchip.com, and the A3P125 product page at microchip.com/en-us/product/A3P125 links the current documentation set. FindIC also mirrors a 6131 KB datasheet PDF published 2009-08-20 for this MPN.
Where can I find the A3P125-2PQG208I pinout?
The full 208-pin PQFP pinout for the A3P125-2PQG208I is defined in the Microchip ProASIC3 datasheet pin listing tables, which map each pin to I/O banks, VCC, VCCIO, GND, JTAG, and configuration functions. Because FPGA pins are multi-function and bank-constrained, always generate your symbol from the official Microchip pin table rather than from third-party listings.
Hey Google, what can replace A3P125-2PQG208I?
The closest replacements are pin-compatible Microchip ProASIC3 parts in the same 208-pin PQFP: A3P125-1PQG208I for slower timing budgets, A3P125-2PQG208 for commercial temperature, and A3P125-PQG208I for standard grade. For a broader second source, the A3P250 in PQG208 offers more capacity in the same package family but requires re-verification, not a simple drop-in.
Is A3P125-2PQG208I the same as A3P125-2PQG208?
Not exactly. Both are the same -2 speed grade A3P125 die in the 208-pin PQFP with identical pinout and footprint, but the -I suffix indicates the industrial temperature range, while A3P125-2PQG208 without the I is the commercial temperature variant. For designs operating below 0C or above commercial limits, the A3P125-2PQG208I is required.
How do I program the A3P125-2PQG208I and what tools are supported?
The A3P125-2PQG208I is programmed via its on-chip flash fabric using Microchip Libero SoC design suite, which compiles RTL to the ProASIC3 fabric and programs the device through JTAG with the FlashPro programming hardware. Because configuration is stored in nonvolatile flash, no external PROM is needed, and the design is live at power-up. Design security features can lock the flash against readback.
Does A3P125-2PQG208I comply with RoHS and lead-free requirements?
Yes, the A3P125-2PQG208I is offered in a lead-free package; the Kynix distributor listing explicitly marks this MPN as LEAD FREE. RoHS and REACH status details should be confirmed on the official Microchip product page for the specific lot, but Microchip's standard FPGA offerings of this generation are RoHS-compliant surface-mount parts.

Engineering reference data for A3P125-2PQG208I β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the A3P125-2PQG208I when your design needs up to 1,500 logic elements, instant-on single-chip operation, design security, and industrial temperature guarantees in a 208-pin QFP with 133 I/Os - typical for industrial control, secure bridging, and defense subsystems. Choose A3P125-1PQG208I (same footprint) if your timing closure has slack and you want a lower price point. Choose A3P125-2PQG208 for commercial-only environments where the industrial rating is unnecessary. Choose A3P125-PQG208I if standard speed grade meets timing at the lowest cost with industrial rating retained. Move to A3P600-family parts in PQG208 (e.g., A3P600-2PQG208I) only when capacity exceeds ~1.5K LEs - the package is similar but capacity, power, and cost rise substantially. There is no verified cross-brand pin-compatible alternative; SRAM FPGA second sources require a PCB respin.

Comparison with Alternatives

Parameter This Product A3P125-1PQG208I A3P125-2PQG208 A3P125-PQG208I A3P125-1PQG208
Package 208-BFQFP (PQG208) 208-PQFP (PQG208) - same 208-PQFP (PQG208) - same 208-PQFP (PQG208) - same 208-PQFP (PQG208) - same
Brand Microchip Technology (Microsemi) Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Logic Elements 1500 LEs 1500 LEs 1500 LEs 1500 LEs 1500 LEs
Speed Grade -2 -1 (slower) -2 (same) Standard (slower) -1 (slower)
Temperature Grade Industrial (I) Industrial (I) Commercial Industrial (I) Commercial
User I/Os 133 133 133 133 133
Core Voltage 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
Configuration Type Nonvolatile flash (Instant On) Nonvolatile flash (Instant On) Nonvolatile flash (Instant On) Nonvolatile flash (Instant On) Nonvolatile flash (Instant On)

Key Differentiators

  • Faster timing margin in same footprint (vs A3P125-1PQG208I)
  • Industrial temperature guarantee (vs A3P125-2PQG208)
  • Nonvolatile Instant-On flash vs SRAM FPGAs (vs Comparable SRAM FPGA families)

Design Notes

The A3P125-2PQG208I requires a 1.5V core supply plus per-bank I/O voltages. Estimated: power-up sequencing recommendations in the ProASIC3 datasheet allow the core and I/O rails in any order, but add bulk (10-22 uF) and per-bank decoupling (0.1 uF per VCCIO pin) close to the 208-pin QFP power pins. Flash programming during in-system updates draws additional transient current, so size the core rail regulator margin above the static active current specified in the datasheet power tables.

The 208-pin QFP has a 0.5 mm pin pitch; use care in stencil design (0.12-0.13 mm stencil) and generous paste aperture reduction to avoid solder bridging on fine-pitch leads. Place the JTAG header with short traces to the TMS/TCK/TDI/TDO pins, since FlashPro programming reliability depends on signal integrity on TCK. Keep configuration-related pins per datasheet recommendations even though configuration is internal flash.

I/O bank voltage constraints are the most common error when migrating designs between ProASIC3 packages: a pin assignment valid on the 208-pin PQFP may violate bank VCCIO rules if moved to a smaller package, and vice versa. Verify all I/O standard assignments per bank in Libero before release. Also, do not substitute commercial-grade A3P125-2PQG208 for the -I industrial part in applications below 0C - the temperature suffix matters for guaranteed timing.

Compliance Information

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

Kynix distributor listing explicitly marks A3P125-2PQG208I as LEAD FREE. Automotive ProASIC3 variants exist as a separate family; this standard part is not AEC-Q100 qualified. REACH and conflict minerals status should be confirmed on the Microchip product page.

Data verified on: 2026-08-31 β€” data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Microchip Technology Microsemi A3P125-2PQG208I ProASIC3 FPGA field-programmable gate array programmable logic device flash-based FPGA nonvolatile configuration Instant On 130 nm CMOS 208-BFQFP PQFP QFP package family surface mount Libero SoC FlashPro JTAG industrial control avionics ASIC replacement RoHS lead free A3P125-1PQG208I user I/O
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