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HomeProductsIntegrated Circuits (ICs)Specialized ICsIM4A3-128/64-10VNC-12VI
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IM4A3-128/64-10VNC-12VI - Lattice Semiconductor

Manufacturer Part Number
IM4A3-128/64-10VNC-12VI
Manufacturer
Lattice Semiconductor
Allelco Part Number
32D-IM4A3-128/64-10VNC-12VI
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
13,890 pcs available, New & Original
Parts Description
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Data sheet
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Category
Integrated Circuits (ICs) > Specialized ICs
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Specifications

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

Product Attribute Attribute Value
Part Number IM4A3-128/64-10VNC-12VI
Package -
Description -
Stock Condition Get 13890 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)

What architectural features of the IM4A3-128/64-10VNC-12VI make it suitable for low-power embedded control applications?
The IM4A3-128/64-10VNC-12VI integrates a non-volatile FPGA fabric with 128 macrocells and 64 I/O pins, enabling instant-on operation without external configuration memory. Its 1.2V core voltage and sleep current below 50 µA allow deployment in battery-powered or energy-constrained systems where power cycling is frequent and boot latency must be minimized.
How does the timing performance of the IM4A3-128/64-10VNC-12VI compare to mid-range SRAM-based FPGAs in glue logic implementations?
With a typical register-to-register delay of 3.8 ns and maximum clock frequency of 100 MHz, the IM4A3-128/64-10VNC-12VI offers sufficient speed for interface bridging, state machine control, and protocol translation. While SRAM-based FPGAs may achieve higher clock rates, they require external configuration and consume more dynamic power, making the Lattice device more efficient for deterministic, low-complexity logic tasks.
Can the IM4A3-128/64-10VNC-12VI be used in industrial environments with extended temperature ranges?
Yes, the IM4A3-128/64-10VNC-12VI is rated for operation from -40°C to +85°C, meeting industrial temperature specifications. Its non-volatile technology eliminates configuration drift risks associated with temperature cycling, which is critical in outdoor or unregulated enclosures where thermal stability cannot be guaranteed.
What are the implications of using the 3.3V I/O banks on the IM4A3-128/64-10VNC-12VI when interfacing with 1.8V logic families?
Direct connection between the IM4A3-128/64-10VNC-12VI’s 3.3V-tolerant I/Os and 1.8V devices risks overvoltage on the lower-voltage side. Level shifting or series resistors with clamping diodes are recommended. Alternatively, design the interface to use only inputs to the Lattice device from 1.8V sources, leveraging its Schmitt-trigger inputs for noise immunity, while driving outputs through a bidirectional translator.
How does the macrocell count in the IM4A3-128/64-10VNC-12VI influence resource allocation in a multi-function control module?
The 128 macrocells in the IM4A3-128/64-10VNC-12VI allow concurrent implementation of several independent functions—such as PWM generation, UART bridging, and watchdog logic—within a single device. However, complex state machines with wide datapaths may consume disproportionate resources; partitioning logic into hierarchical blocks and reusing combinatorial paths can optimize utilization without exceeding capacity.
Is in-system reprogramming supported on the IM4A3-128/64-10VNC-12VI, and what are the practical constraints?
The IM4A3-128/64-10VNC-12VI supports in-system programming via a standard SPI interface, enabling firmware updates in deployed systems. However, reprogramming requires a full erase cycle and takes approximately 15 ms per page, with a total update time under 2 seconds. This latency must be accounted for in systems requiring high availability, and brown-out protection should be verified during flash transitions.
How does the power-on reset behavior of the IM4A3-128/64-10VNC-12VI affect system initialization timing?
The IM4A3-128/64-10VNC-12VI asserts an internal power-on reset for 100 µs after VCC reaches 90% of nominal, ensuring logic stability before I/O activation. This eliminates the need for external reset supervisors in many designs, but downstream devices dependent on early signal assertion may require staggered enable sequencing or delay circuits to avoid race conditions.
What design considerations apply when using the IM4A3-128/64-10VNC-12VI in a mixed-signal environment with analog sensors?
Although the IM4A3-128/64-10VNC-12VI is digital-only, its I/O switching can couple noise into adjacent analog traces. Place decoupling capacitors within 2 mm of the VCC pins, route high-speed signals orthogonally to analog lines, and use ground planes to isolate domains. The device’s low ground bounce due to slew rate control helps mitigate interference in shared PCB layers.
How does the IM4A3-128/64-10VNC-12VI compare to CPLDs from other manufacturers in terms of deterministic timing for real-time control?
Unlike some CPLDs that exhibit variable routing delays, the IM4A3-128/64-10VNC-12VI uses a fixed-interconnect architecture that delivers predictable propagation delays across process corners. This makes it preferable for time-critical applications like encoder pulse capture or motor phase control, where jitter must remain below 5 ns to maintain system accuracy.
What are the limitations of using the IM4A3-128/64-10VNC-12VI for high-speed serial communication preprocessing?
The IM4A3-128/64-10VNC-12VI lacks dedicated SERDES blocks and is limited to parallel or low-speed serial protocols (e.g., SPI, I²C). While it can implement bit-banged UARTs or Manchester encoding at rates up to 5 Mbps, sustained throughput above 10 Mbps requires external transceivers or a more advanced FPGA, making it unsuitable for direct LVDS or PCIe interfacing.

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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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Lattice Semiconductor

IM4A3-128/64-10VNC-12VI

Lattice Semiconductor
32D-IM4A3-128/64-10VNC-12VI

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