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

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

Name: Lattice Semiconductor IM4A3-128/64-10VC-12VI
Brand: Lattice Semiconductor
SKU: IM4A3-128/64-10VC-12VI
Availability: InStock
Rating: 5 (4 reviews)

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

Manufacturer: Lattice Semiconductor

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

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 3,720 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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Specifications

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

Product Attribute	Attribute Value
Part Number	IM4A3-128/64-10VC-12VI
Package	DAC91001
Description	DAC91001
Stock Condition	Get 3720 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 temperature range of the IM4A3-128/64-10VC-12VI impact its reliability in industrial control systems, and what derating considerations should be applied for continuous operation above 50°C?: The IM4A3-128/64-10VC-12VI supports an extended operating temperature range typical of commercial-grade devices, which may limit long-term reliability under sustained high ambient conditions. For continuous operation above 50°C in industrial environments, designers should apply conservative derating on power dissipation to prevent thermal stress. This includes maintaining junction temperatures below 100°C through improved PCB copper area or airflow. In applications such as motor drives or factory automation, where ambient temperatures can exceed 70°C, supplemental cooling or layout optimization becomes necessary to avoid accelerated aging or parametric drift.

Can the IM4A3-128/64-10VC-12VI be used in battery-powered IoT edge nodes, and how does its current consumption compare to alternative low-power FPGA architectures?: The IM4A3-128/64-10VC-12VI is not optimized for ultra-low power consumption, making it suboptimal for long-duration battery-powered IoT nodes requiring months of operation on a single cell. While it consumes less static power than older CPLD families, its dynamic power scales with switching activity and clock frequency. In contrast, modern low-power FPGAs like Lattice iCE40 UltraPlus achieve sub-1µA sleep currents and offer configurable power domains. For edge sensing applications where duty cycling is critical, the IM4A3-128/64-10VC-12VI would require frequent wake-up cycles and result in significantly reduced battery life compared to purpose-built ultra-low-power alternatives.

What are the key differences between the IM4A3-128/64-10VC-12VI and the IM4A3-128/64-10VC-6VI in terms of I/O banking and voltage compatibility, particularly when interfacing with both 3.3V and 1.8V sensors?: The IM4A3-128/64-10VC-12VI features 12 independent I/O banks supporting mixed-voltage operation up to 3.3V, enabling direct interfacing with legacy 3.3V logic and many modern sensors. In comparison, the -6VI variant offers only 6 banks but with tighter per-bank voltage tolerance. When connecting to 1.8V sensors, both variants support LVCMOS18, but the -12VI provides greater flexibility in grouping peripherals by voltage domain. Designers using multiple sensor types must consider not just voltage levels but also signal integrity across bank boundaries; the -12VI allows more granular isolation of noise-sensitive analog front-ends from digital control logic.

Is the IM4A3-128/64-10VC-12VI suitable for automotive infotainment systems, and what qualification marks or environmental testing does it undergo?: The IM4A3-128/64-10VC-12VI is classified as a commercial-grade device and lacks AEC-Q100 qualification. It is therefore not recommended for functional safety-critical automotive subsystems such as ADAS or braking systems. While it may be considered for non-safety infotainment modules—such as audio processing or display control—designers must still account for wide temperature swings, humidity, and vibration. Even in non-certified roles, robust ESD protection and conformal coating are advised. For any automotive use, full system-level validation under ISO 16750 conditions is mandatory regardless of component marking.

How does the internal oscillator accuracy of the IM4A3-128/64-10VC-12VI affect timing closure in precision data acquisition applications, and what alternatives exist if ±1% stability is insufficient?: The integrated 10MHz oscillator on the IM4A3-128/64-10VC-12VI typically exhibits ±200ppm (0.02%) initial accuracy and ±50ppm over temperature, resulting in accumulated jitter that may violate timing margins in synchronous ADC interfaces. For precision data acquisition requiring ±1% or better frequency stability, external crystal oscillators are strongly preferred. Alternatively, the device supports dynamic reconfiguration of clock dividers, allowing compensation for minor drift during calibration sequences. However, phase noise and startup time must still be evaluated against system synchronization requirements.

What is the maximum fanout capability of the IM4A3-128/64-10VC-12VI’s output pins when driving capacitive loads, and how should termination be handled in high-speed routing scenarios?: The IM4A3-128/64-10VC-12VI can reliably drive up to 20pF per pin without external buffering, assuming clean power delivery and controlled impedance traces. Beyond this, output rise/fall times increase significantly, potentially causing signal integrity issues in routed buses longer than 5cm. For high-speed lines exceeding 10Mbps, series termination resistors (typically 22–33Ω) near the driver minimize reflections. In multidrop configurations, open-drain outputs with pull-ups may be preferable to avoid contention. Always simulate S-parameters or perform eye diagram analysis when routing close to 100MHz edges.

Can the IM4A3-128/64-10VC-12VI implement soft-start functionality during power-up, and what design techniques ensure glitch-free initialization of downstream DC-DC converters?: The IM4A3-128/64-10VC-12VI itself does not generate a power-good signal, so soft-start coordination must be implemented via firmware or external circuitry. One effective method uses a dedicated GPIO to monitor the main supply rail and delay configuration until VCC reaches 90% nominal. Alternatively, a simple RC filter on the enable pin of a buck converter can create a controlled ramp. To prevent glitches during reset, all registers should be initialized to known states before releasing the global enable. Using the internal oscillator ensures deterministic timing once powered, avoiding race conditions during boot sequences.

How does the IOE (Input/Output Element) count of the IM4A3-128/64-10VC-12VI scale with logic utilization, and what layout strategies prevent routing congestion in dense PCB designs?: The IM4A3-128/64-10VC-12VI contains 64 usable IOEs, but routing efficiency drops sharply beyond 60% utilization due to limited global clock resources. In complex designs, placing high-fanout signals early and reserving IO banks for specific voltage domains reduces iterative routing passes. Grouping related peripherals—such as SPI, UART, and I²C—into adjacent banks simplifies trace length matching and minimizes crosstalk. Avoiding diagonal routing patterns and maintaining consistent spacing between differential pairs further improves signal integrity. Place-and-route tools often benefit from manual pin constraints when targeting tight form factors.

What security features does the IM4A3-128/64-10VC-12VI offer, and is it appropriate for secure boot applications requiring cryptographic acceleration?: The IM4A3-128/64-10VC-12VI provides no hardware-based security primitives such as AES engines, secure keys storage, or tamper detection. While basic bitstream encryption can be implemented in firmware, there is no trusted execution environment. Consequently, it is unsuitable for secure boot chains where root-of-trust mechanisms are required. For applications demanding cryptographic integrity—such as firmware authentication or encrypted telemetry—dedicated security controllers or FPGAs with hardened crypto blocks should be considered instead. Even with software-based protection, flash memory readback risks remain unless additional packaging safeguards are employed.

How does the propagation delay variation across temperature affect timing budgets in the IM4A3-128/64-10VC-12VI, and what mitigation strategies are available for synchronous protocols like I²S?: Propagation delays in the IM4A3-128/64-10VC-12VI vary by approximately ±15ns across the industrial temperature range (-40°C to +85°C), which can desynchronize clock and data lines in high-bitrate I²S interfaces. To maintain timing integrity, designers should use matched trace lengths within each channel and operate at lower data rates where possible. Additionally, leveraging the device’s built-in DLL (Delay-Locked Loop) helps align internal clocks. For mission-critical audio paths, external master clocks with oven-controlled crystals provide superior stability. Firmware-based deskewing algorithms can also compensate for residual skew during initialization.

Can the IM4A3-128/64-10VC-12VI support hot-swapping of peripheral modules, and what precautions are needed to protect against ESD and inrush current?: Hot-swapping is not inherently supported, but it can be achieved with external protection circuits. Each I/O line should include a TVS diode rated for ±15kV contact discharge per IEC 61000-4-2. Series resistors (10–50Ω) limit inrush current into capacitive loads during insertion. Power sequencing must ensure that core logic stabilizes before enabling I/O drivers. If the host system cannot guarantee orderly power-up, optocouplers or level translators with enable pins are safer alternatives. The IM4A3-128/64-10VC-12VI itself has standard HBM ESD tolerance of ±2kV, but repeated exposure without protection degrades performance over time.

What is the expected mean time between failures (MTBF) for the IM4A3-128/64-10VC-12VI under continuous operation, and how do environmental factors influence failure modes?: Based on MIL-HDBK-217F assumptions and typical GaAsP-based CPLD technology, the IM4A3-128/64-10VC-12VI has an estimated MTBF of approximately 1 million hours under nominal lab conditions (25°C, sea level). However, elevated temperatures reduce this dramatically—doubling for every 10°C rise above 25°C. Humidity accelerates electromigration in uncoated packages, while mechanical shock can delaminate bond wires. In harsh environments, conformal coating and derating both power and I/O current improve operational longevity. Reliability prediction should always incorporate field experience data rather than theoretical models alone.

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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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