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HomeProductsIntegrated Circuits (ICs)Specialized ICsW25X20AVNIG
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W25X20AVNIG - Winbond Electronics Corporation

Manufacturer Part Number
W25X20AVNIG
Manufacturer
Winbond Electronics Corporation
Allelco Part Number
32D-W25X20AVNIG
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,090 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 14090

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Specifications

W25X20AVNIG Tech Specifications
Winbond Electronics Corporation - W25X20AVNIG technical specifications, attributes, parameters and parts with similar specifications to Winbond Electronics Corporation - W25X20AVNIG

Product Attribute Attribute Value
Part Number W25X20AVNIG
Package DAC91001
Description DAC91001
Stock Condition Get 14090 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 Winbond Electronics Corporation
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 W25X20AVNIG compare to other serial flash memory ICs in terms of operating voltage and power consumption during active read operations?
The W25X20AVNIG operates over a wide voltage range from 2.7V to 3.6V, which allows it to be integrated into systems with varying supply conditions without requiring additional voltage regulation. During active read operations at 8 MHz clock frequency, the device consumes approximately 1.5 mA of current, resulting in a power draw of around 4.5 mW at 3.3V. This places it competitively among standard serial flash memories in low-power applications, particularly when compared to older generations that may require fixed 3.3V supplies or exhibit higher standby currents above 1 µA.
What are the key differences between the W25X20AVNIG and similar Winbond SOP-8 packages like the W25Q80BV or W25Q16JV in terms of capacity, interface speed, and application suitability?
While all three devices share the same SOP-8 package and SPI interface, the W25X20AVNIG provides 2 Mbit (256 Kbytes) storage—half the density of the W25Q80BV (8 Mbit) and significantly less than the W25Q16JV (16 Mbit). However, the W25X20AVNIG supports a maximum clock frequency of 80 MHz under dual/quad output modes, whereas the W25Q80BV tops out at 104 MHz and the W25Q16JV at 133 MHz. For applications requiring moderate code storage in space-constrained environments such as IoT sensor nodes or battery-powered devices, the W25X20AVNIG offers an optimal balance between capacity, speed, and power efficiency due to its lower data volume needs and reduced pin count (SOT23-6 vs. SOP-8).
Can the W25X20AVNIG reliably operate in industrial temperature ranges, and what design considerations should be made for robust embedded system integration?
Yes, the W25X20AVNIG is rated for operation from -40°C to +85°C, making it suitable for industrial and automotive-grade applications where thermal extremes occur. To ensure reliability, designers must implement proper decoupling capacitance near the VCC pin—typically a 100 nF ceramic capacitor in parallel with a 10 µF tantalum—to stabilize supply voltage during high-frequency writes. Additionally, pull-up resistors on the SPI lines are recommended to prevent floating inputs during power-up sequences, especially in noisy environments.
What is the typical write endurance and data retention period for the W25X20AVNIG, and how do these parameters influence system-level reliability in firmware update scenarios?
The W25X20AVNIG guarantees 100,000 program/erase cycles per block and retains stored data for at least 20 years under normal operating conditions. In firmware update workflows, this translates to approximately 10,000 full-device updates before reaching end-of-life, assuming uniform wear across blocks. Engineers can extend longevity by implementing wear leveling algorithms that distribute erase cycles evenly, thereby avoiding premature failure of frequently updated sectors.
Does the W25X20AVNIG support hardware-based security features such as write protection or status register locking, and how effective are they against accidental or malicious modifications?
The device includes configurable write protection via software commands and hardware-based WP# pin control, which locks specific memory regions when asserted. Combined with the status register’s block protect bits, up to four individual sectors can be protected. While these mechanisms prevent accidental writes, they offer limited defense against physical probing or advanced attacks; therefore, sensitive data should be encrypted at the application layer rather than relying solely on hardware protection.
What are the timing constraints during sector erase operations for the W25X20AVNIG, and how might these affect real-time system performance?
A single sector erase operation on the W25X20AVNIG takes approximately 18 ms, with a total chip erase time of about 100 ms. These durations introduce latency that must be factored into real-time systems where deterministic response times are critical. Designers should schedule erase/program operations during non-critical periods or use background task scheduling to avoid disrupting real-time loops, especially in safety-relevant embedded platforms.
How does the SOT23-6 package of the W25X20AVNIG impact PCB layout complexity compared to larger SOP packages, and what thermal management considerations apply?
The compact SOT23-6 footprint reduces board space usage by up to 70% compared to SOP-8 alternatives, enabling miniaturization in portable devices. However, its small size limits heat dissipation, so sustained high-speed programming should be avoided without airflow or thermal vias nearby. Thermal resistance is typically around 200°C/W, so peak junction temperatures remain within spec even under continuous operation at moderate ambient conditions.
Can the W25X20AVNIG be used in battery-powered applications where minimizing quiescent current is essential, and what configuration optimizes energy efficiency?
Yes, the W25X20AVNIG draws only 0.5 µA in deep power-down mode and less than 1 µA in standby, making it viable for long-lifetime battery systems. To maximize efficiency, users should enable deep power-down after each transaction and disable the internal oscillator when inactive. Additionally, reducing the SPI clock rate below 8 MHz further decreases dynamic power, though at the cost of longer transfer times—a trade-off acceptable in many low-duty-cycle monitoring applications.

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

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  • ISO 9001: 2015
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Winbond Electronics Corporation

W25X20AVNIG

Winbond Electronics Corporation
32D-W25X20AVNIG

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