Produkte > Integrierte Schaltungen (ICs) > Speicher > AT28BV256-20TU

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PARALLEL EEPROM, 256K (32K X 8), 2.7V - 3.6V, SDP - 200NS, TSOP, IND TEMP, GREEN

  • Verpackung/Behälter :
  • TSOP-28
  • Produkt der Kategorien :
  • RoHs Status:
  • Rohs
  • Lagerbestand:
  • 50


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AT28BV256-20TU Beschreibung

High-performance 256K EEPROM offers access times to 200ns with 54mW power dissipation and 2.7V supply voltage. Deselected, CMOS standby current is less than 20µA . It is accessed like static RAM for the read or write cycle without external components. It contains a 64-byte page register to allow writing of up to 64 bytes simultaneously. The EEPROM features Internal error correction for extended endurance and improved data retention. Optional software data protection mechanism guards against inadvertent writes, and an extra 64 bytes of EEPROM enables device identification or tracking.



  • Automatic page write operation
  • Internal control timer
  • Fast write cycle times
  • Page write cycle time - 10ms maximum
  • Low power dissipation
  • Hardware and software data protection
  • Data polling for end of write detection
  • High reliability CMOS technology
  • Endurance - 10000 cycles
  • Data retention - 10 years
  • JEDEC Approved byte-wide pinout
  • Industrial temperature ranges
  • Green product and no Sb/Br

AT28BV256-20TU Produkte

Technische Parameter

  • Memory Size
  • 256 Kbit
  • Organization
  • 32 K x 8
  • Data Retention
  • 10 yr
  • Maximum Operating Current
  • 15 mA
  • Operating Supply Voltage
  • 3.3 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • Package / Case
  • TSOP-28
  • Access Time
  • 200 ns
  • Interface Type
  • SPI
  • Minimum Operating Temperature
  • - 40 C
  • Operating Current
  • 15 mA
  • Output Enable Access Time
  • 80 ns
  • Factory Pack Quantity
  • 234
  • Supply Voltage Max
  • 3.6 V
  • Supply Voltage Min
  • 2.7 V

AT28BV256-20TU Documents

AT28BV256-20TU Verwandte besondere

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Estimated Delivery Time: Aug 24 - Aug 29 days (choose Expedited at checkout).

Fracht & Zahlung


  • Liefer-Type
  • Schiff Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Zahlungsbedingungen
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

Wir bieten qualitativ hochwertige Produkte, aufmerksamen Service und nach dem Verkauf Garantie

  • Wir haben reiche Produkte, können Ihre verschiedenen Bedürfnisse erfüllen.

    Wir haben reiche Produkte, können Ihre verschiedenen Bedürfnisse erfüllen.

  • Mindestbestellmenge beginnt 1pcs.

    Mindestbestellmenge beginnt 1pcs.

  • Niedrigsten Transportgebühr beginnt bei US $ 2,00.

    Niedrigsten Transportgebühr beginnt bei US $ 2,00.

  • 90 Tage Qualitätsgarantie für alle Produkte.

    90 Tage Qualitätsgarantie für alle Produkte.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that AT28BV256-20TU is the original manufacturer or agent of MICROCHIP?
We have a professional business development department to strictly test and verify the qualifications of MICROCHIP original manufacturers and agents. All MICROCHIP suppliers must pass the qualification review before they can publish their AT28BV256-20TU devices; we pay more attention to the channels and quality of AT28BV256-20TU products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AT28BV256-20TU chips? Including MICROCHIP original factory information, EEPROM application, AT28BV256-20TU pictures?
You can use Jotrin's intelligent search engine, or filter by Industrial-Grade Parallel EEPROMS Products category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's AT28BV256-20TU price and stock displayed on the platform accurate?
The MICROCHIP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for AT28BV256-20TU, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of AT28BV256-20TU?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AT28BV25620TU we delivered, we will accept the replacement or return of the AT28BV256-20TU only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of AT28BV256-20TU.
(3)The AT28BV256-20TU is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as AT28BV256-20TU datasheet pdf, AT28BV256 pin diagram?
Need any After-Sales service, please feel free contact us:

Microchip Technology, Inc

Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...
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