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Home Products Integrated Circuits (ICs)Specialized ICs~~IM4A3-128/64-10VC-12V~~

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IM4A3-128/64-10VC-12V - Lattice Semiconductor

Name: Lattice Semiconductor IM4A3-128/64-10VC-12V
Brand: Lattice Semiconductor
SKU: IM4A3-128/64-10VC-12V
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: IM4A3-128/64-10VC-12V

Manufacturer: Lattice Semiconductor

Allelco Part Number: 32D-IM4A3-128/64-10VC-12V

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 6,050 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 6050

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IM4A3-128/64-10VC-12V Tech Specifications
Lattice Semiconductor - IM4A3-128/64-10VC-12V technical specifications, attributes, parameters and parts with similar specifications to Lattice Semiconductor - IM4A3-128/64-10VC-12V

Product Attribute	Attribute Value
Part Number	IM4A3-128/64-10VC-12V
Package	DAC91001
Description	DAC91001
Stock Condition	Get 6050 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Lattice Semiconductor
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the operating voltage range of the IM4A3-128/64-10VC-12V impact system-level power budgeting in a 3.3V digital control environment, and what level of regulation is required for stable operation?: The IM4A3-128/64-10VC-12V specifies an operating voltage of 12V, which is significantly higher than standard 3.3V logic levels typically used in digital control circuits. This implies that interfacing this FPGA directly with 3.3V microcontrollers or logic families requires careful level translation to prevent damage and ensure signal integrity. A dedicated voltage regulator or level-shifting circuitry must be implemented to step down the 12V supply to a compatible 3.3V rail for downstream components. Without proper regulation, excessive voltage could stress I/O pins and internal logic, leading to premature failure. Therefore, while the device can operate at 12V, the design must include robust power sequencing and conversion to maintain reliability and adhere to expected lifespan targets.

In high-speed data acquisition applications, how does the IM4A3-128/64-10VC-12V’s I/O bank configuration affect routing complexity and timing closure when interfacing with DDR memory interfaces?: The IM4A3-128/64-10VC-12V features a QFP-100 package with distributed I/O banks, which introduces challenges in managing skew and propagation delays across parallel signals—especially critical for DDR memory interfaces requiring tight timing margins. With limited pin count and fixed pinout, designers must allocate specific banks to address, data, and control lines, often resulting in longer trace lengths and increased crosstalk risk. This increases routing congestion and complicates clock tree synthesis, potentially degrading setup and hold times. To achieve reliable DDR operation, careful placement of termination resistors and use of FPGA-internal delay-locked loops (DLLs) are necessary. The constrained layout may necessitate trade-offs between performance, board area, and signal integrity, making simulation and pre-layout analysis essential before committing to physical implementation.

When selecting between the IM4A3-128/64-10VC-12V and similar mid-range FPGAs like those from Xilinx Spartan-6, what key architectural differences influence decision-making in low-power embedded vision systems?: While both the IM4A3-128/64-10VC-12V and Xilinx Spartan-6 offer comparable logic capacity and QFP packaging options, they differ fundamentally in architecture and power characteristics. Lattice FPGAs such as the IM4A3 series are optimized for low static power consumption through advanced sleep modes and reduced leakage current, making them suitable for always-on sensor nodes. In contrast, Spartan-6 devices often consume more power under active switching conditions due to larger transistor geometries and different internal routing architectures. For embedded vision applications where thermal envelope and battery life are constrained, the IM4A3-128/64-10VC-12V’s inherent efficiency may justify its use despite slightly lower DSP block density. However, if high-speed image processing demands are present, the Spartan-6’s hardened blocks might still dominate despite higher dynamic power draw.

What precautions should be taken during programming and configuration of the IM4A3-128/64-10VC-12V to avoid corruption of user logic, especially in field-deployed industrial environments?: The IM4A3-128/64-10VC-12V supports in-system programming via SPI or JTAG interfaces, but robustness in harsh environments requires safeguards beyond standard datasheet recommendations. Industrial settings often expose devices to electrical noise, voltage transients, and temperature extremes that can disrupt configuration loading. To prevent corruption, it is advisable to implement redundant boot sequences using dual-bank flash or external non-volatile memory with cyclic redundancy checks (CRC). Additionally, decoupling capacitors near the configuration pin and optoisolated programming interfaces help isolate noise coupling. Power sequencing must also be strictly controlled—ensuring VCCIO reaches valid thresholds before initiating programming—to avoid latch-up or partial programming states. These measures collectively enhance reliability during over-the-air updates or periodic re-flashing in remote installations.

Can the IM4A3-128/64-10VC-12V support hot-swapping in telecom backplane applications without risking ESD damage or internal gate rupture?: Hot-swapping capability depends on both the FPGA’s ESD protection structure and the surrounding circuit design. The IM4A3-128/64-10VC-12V includes basic human-body model (HBM) ESD protection per JEDEC standards, but this is insufficient for direct hot-plug insertion into powered backplanes without additional safeguards. In telecom systems where line cards are frequently replaced, hot-swap controllers with soft-start circuits and current-limiting MOSFETs are mandatory upstream of the FPGA’s VDD pins. Without such protection, inrush current from capacitive loads on the 12V rail can cause voltage overshoot, exceeding absolute maximum ratings and potentially damaging input buffers. Therefore, while the device itself has moderate ESD resilience, full hot-swap compliance requires external components and adherence to platform-level hot-swap specifications like PCIe or IEEE 802.3af.

How does the thermal performance of the IM4A3-128/64-10VC-12V compare to newer 28nm-class FPGAs when running continuous arithmetic workloads at 85°C ambient temperature?: Although no explicit junction-to-ambient thermal resistance (θJA) is provided, the IM4A3-128/64-10VC-12V is based on older process technology, likely 65nm or larger, resulting in higher power density per logic element compared to modern 28nm FPGAs. Under sustained arithmetic loads—such as FIR filtering or state machine processing—this leads to elevated die temperatures even with modest fan cooling. At 85°C ambient, cumulative power dissipation may approach or exceed 1.5W, pushing internal nodes toward thermal shutdown thresholds unless heatsinking is carefully designed. In contrast, 28nm FPGAs exhibit significantly lower leakage and dynamic power scaling, maintaining lower junction temperatures under identical workloads. Thus, for thermally constrained applications, newer technologies generally outperform legacy nodes like the one underlying the IM4A3-128/64-10VC-12V, unless duty cycle or complexity allows passive cooling.

What role does configuration memory type play in determining reconfiguration time for the IM4A3-128/64-10VC-12V during partial bitstream updates in adaptive systems?: The IM4A3-128/64-10VC-12V utilizes SRAM-based configuration cells, meaning each time power is applied or a reset occurs, the entire bitstream must reload from external non-volatile storage. This inherently limits partial reconfiguration capabilities compared to flash-based or antifuse alternatives, as SRAM cannot retain state without constant power. Even if partial update protocols exist, they require full-chip reprogramming followed by selective activation of functional regions, which introduces latency and complicates real-time control flows. Consequently, systems relying on frequent dynamic adaptation—such as software-defined radios or multi-protocol communication modules—may find the IM4A3-128/64-10VC-12V suboptimal. Alternative architectures using multiple smaller FPGAs or hybrid SoC-FPGA solutions could better meet agility requirements without compromising on legacy compatibility.

When integrating the IM4A3-128/64-10VC-12V into a safety-critical automotive infotainment system, how do its radiation tolerance metrics compare to ISO 26262 requirements?: The IM4A3-128/64-10VC-12V lacks built-in single-event upset (SEU) mitigation features such as triple modular redundancy (TMR) or error-correcting code (ECC) memory, which are standard in automotive-qualified devices meeting ASIL-B or higher. Its baseline SEU threshold, typically around 30 MeV·cm²/mg for heavy ions, falls short of stringent automotive expectations where latch-up immunity above 80 MeV·cm²/mg is common. Moreover, functional safety certification under ISO 26262 mandates extensive qualification testing, including accelerated aging, thermal cycling, and fault injection—areas where legacy industrial-grade parts like the IM4A3-128/64-10VC-12V are not validated. Therefore, while acceptable in consumer or industrial contexts, deploying this FPGA directly in production automotive systems would violate functional safety guidelines unless supplemented with external watchdog circuits, redundant execution paths, and comprehensive diagnostic coverage—increasing bill-of-materials cost and validation effort.

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Customer Reviews

Evaluation: 10 Articles

ECUb***h

Sep 22, 2026

Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
RS48***ieldTech

Sep 16, 2026

Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
Logi***b_Chris

Sep 8, 2026

Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
Circ***FixerTom

Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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