AT28BV256-20TU

3.3V 28-Pin TSOP-I Tray
7,557 Effective Inventory

AT28BV256-20TU

Effective Inventory7,557

3.3V 28-Pin TSOP-I Tray

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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AT28BV256-20TU DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $10.942 $10.94
200 $4.235 $847.00
500 $4.087 $2,043.50
1000 $4.013 $4,013.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for AT28BV256-20TU or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The AT28BV256-20TU is a high-performance 256K flash memory chip designed for a wide range of applications. With its one-time programmable feature, it provides a reliable and secure non-volatile storage solution for embedded systems, automotive electronics, and industrial equipment. Its maximum clock speed of 20MHz ensures quick access to data, making it suitable for high-speed operations in various electronic devices

Key Features

  • Automatic page write operationInternal control timerFast write cycle timesPage write cycle time - 10ms maximumLow power dissipationHardware and software data protectionData polling for end of write detectionHigh reliability CMOS technologyEndurance - 10000 cyclesData retention - 10 yearsJEDEC Approved byte-wide pinoutIndustrial temperature rangesGreen product and no Sb/Br

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! EEPROM RoHS Details
Mounting Style SMD/SMT Package / Case TSOP-28
Interface Type Parallel Memory Size ! 256 kbit
Organization 32 k x 8 Supply Voltage - Min 2.7 V
Supply Voltage - Max 3.6 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 85 C Maximum Clock Frequency 5 MHz
Access Time 200 ns Data Retention 10 Year
Supply Current - Max 15 mA Series AT28BV256
Active Read Current - Max 15 mA Brand Microchip Technology
Height 1 mm Length 8 mm
Moisture Sensitive Yes Operating Supply Current 15 mA
Operating Supply Voltage ! 3.3 V Output Enable Access Time 80 ns
Product Type ! EEPROM Programming Voltage ! 2.7 V to 3.6 V
Factory Pack Quantity 234 Subcategory Memory & Data Storage
Width 11.8 mm Unit Weight 0.055592 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification AT28BV256-20TU PDF Download

FAQs

What is AT28BV256-20TU?

The AT28BV256-20TU is a low-power, high-performance 256Kbit (32K x 8) electrically erasable programmable read-only memory (EEPROM) designed by Microchip Technology. It is ideal for applications requiring non-volatile data storage and easy reprogramming, such as embedded systems, automotive electronics, and industrial control systems.

How Does AT28BV256-20TU Work?

The AT28BV256-20TU works by storing digital data even when power is removed from the device, making it suitable for applications requiring non-volatile memory. It can be electrically erased and reprogrammed, providing flexibility in data storage and updates. The EEPROM utilizes a standard serial interface for easy integration into various systems.

How Many Pins does AT28BV256-20TU have and What are the Functions of the Pinout Configuration?

The AT28BV256-20TU is housed in a 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • OE: Output enable pin for controlling data output.
  • WE: Write enable pin for controlling data input and write operations.
  • BYTE: Byte organization selection pin.
  • A0-A13: Address input pins for memory addressing.
  • DQ0-DQ7: Data input/output pins.

What are the Pros and Cons of AT28BV256-20TU?

Pros:

  • Non-Volatile Memory: Retains data even without power, suitable for data storage in various applications.
  • High Reliability: Consistent performance over a wide range of operating conditions.
  • Low Power Consumption: Operates with low power, ideal for battery-powered devices.
  • Easy Reprogramming: Allows for easy updates and changes to stored data.
  • Standard Interface: Utilizes a standard serial interface for simplified integration.

Cons:

  • Limited Capacity: May not be suitable for applications requiring larger memory capacity.
  • Slow Write Speed: EEPROMs typically have slower write speeds compared to other non-volatile memory technologies.
  • Endurance Limit: EEPROMs have a limited number of erase/write cycles before degradation.

Are There Any Equivalents/Alternatives to AT28BV256-20TU for Recommendation?

Alternatives to the AT28BV256-20TU include the 25LC256 from Microchip Technology, the CAT28C256 from ON Semiconductor, and the M93C86 from STMicroelectronics.

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