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AT28C64B-15PU

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150NS, IND TEMP, GREEN(EEPROM),EEPROM 64K 8K x 8 150 ns 4.5V-5.5V

  • 꾸러미 :
  • PDIP-28
  • 제품 :
  • EEPROM
  • RoHs Status:
  • Lead free / RoHS Compliant
  • 재고:
  • 2186

  

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AT28C64B-15PU 제품 상세 정보


High-performance 64K EEPROM offers access times to 150ns with power dissipation of 220mW. Deselected, CMOS standby current is less than 100µA . 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.

AT28C64B-15PU

응용 프로그램 / 파라미터의 범위

The AT28C64B is a high-performance electrically-erasable and programmable readonly memory (EEPROM). Its 64K of memory is organized as 8,192 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 150 ns with power dissipation of just 220 mW. When the device is deselected, the CMOS standby current is less than 100 µA.

The AT28C64B is accessed like a Static RAM for the read or write cycle without the need for external components. The device contains a 64-byte page register to allow writing of up to 64 bytes simultaneously. During a write cycle, the addresses and 1 to 64 bytes of data are internally latched, freeing the address and data bus for other operations. Following the initiation of a write cycle, the device will automatically write the latched data using an internal control timer. The end of a write cycle can be detected by DATA POLLING of I/O7. Once the end of a write cycle has been detected, a new access for a read or write can begin.

Atmel’s AT28C64B has additional features to ensure high quality and manufacturability. The device utilizes internal error correction for extended endurance and improved data retention characteristics. An optional software data protection mechanism is available to guard against inadvertent writes. The device also includes an extra 64 bytes of EEPROM for device identification or tracking.

Features
• Fast Read Access Time – 150 ns
• Automatic Page Write Operation
– Internal Address and Data Latches for 64 Bytes
• Fast Write Cycle Times
– Page Write Cycle Time: 10 ms Maximum (Standard)
2 ms Maximum (Option – Ref. AT28HC64BF Datasheet)
– 1 to 64-byte Page Write Operation
• Low Power Dissipation
– 40 mA Active Current
– 100 µA CMOS Standby Current
• Hardware and Software Data Protection
• DATA Polling and Toggle Bit for End of Write Detection
• High Reliability CMOS Technology
– Endurance: 100,000 Cycles
– Data Retention: 10 Years
• Single 5V ±10% Supply
• CMOS and TTL Compatible Inputs and Outputs
• JEDEC Approved Byte-wide Pinout
• Industrial Temperature Ranges
• Green (Pb/Halide-free) Packaging Option Only

 Device Operation
1. Read
The AT28C64B is accessed like a Static RAM. When CE and OE are low and WE is high, the data stored at the memory location determined by the address pins is asserted on the outputs. The outputs are put in the high-impedance state when either CE or OE is high. This dual line control gives designers flexibility in preventing bus contention in their systems.

2 Byte Write 

A low pulse on the WE or CE input with CE or WE low (respectively) and OE high initiates a write cycle. The address is latched on the falling edge of CE or WE, whichever occurs last. The data is latched by the first rising edge of CE or WE. Once a byte write has been started, it will automatically time itself to completion. Once a programming operation has been initiated and for the duration of tWC, a read operation will effectively be a polling operation.

3 Page Write 

The page write operation of the AT28C64B allows 1 to 64 bytes of data to be written into the device during a single internal programming period. A page write operation is initiated in the same manner as a byte write; after the first byte is written, it can then be followed by 1 to 63 additional bytes. Each successive byte must be loaded within 150 µs (tBLC) of the previous byte. If the tBLC limit is exceeded, the AT28C64B will cease accepting data and commence the internal programming operation. All bytes during a page write operation must reside on the same page as defined by the state of the A6 to A12 inputs. For each WE high to low transition during the page write operation, A6 to A12 must be the same. The A0 to A5 inputs specify which bytes within the page are to be written. The bytes may be loaded in any order and may be altered within the same load period. Only bytes which are specified for writing will be written; unnecessary cycling of other bytes within the page does not occur. 

AT28C64B-15PU 제품

기술적 인 매개 변수

  • Memory Size
  • 64 Kbit
  • Organization
  • 8 K x 8
  • Data Retention
  • 10 yr
  • Maximum Operating Current
  • 40 mA
  • Operating Supply Voltage
  • 5 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • Through Hole
  • Package / Case
  • PDIP-28
  • Access Time
  • 150 ns
  • Interface Type
  • Parallel
  • Minimum Operating Temperature
  • - 40 C
  • Operating Current
  • 40 mA
  • Output Enable Access Time
  • 70 ns
  • Factory Pack Quantity
  • 14
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 4.5 V

AT28C64B-15PU Documents

AT28C64B-15PU 특수 제품에 대한 관련

Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
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  • 1 Stars 0%
  • **anie***
    2020-04-26

    super schnell danke!!!!

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Estimated Delivery Time: Jun 28 - Jul 03 days (choose Expedited at checkout).

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포장

  • 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

보장

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.

FAQ:

Q: How does Jotrin guarantee that AT28C64B-15PU 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 AT28C64B-15PU devices; we pay more attention to the channels and quality of AT28C64B-15PU products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AT28C64B-15PU chips? Including MICROCHIP original factory information, EEPROM application, AT28C64B-15PU 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 AT28C64B-15PU 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 AT28C64B-15PU, 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 AT28C64B-15PU?
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 AT28C64B15PU we delivered, we will accept the replacement or return of the AT28C64B-15PU 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 AT28C64B-15PU.
(3)The AT28C64B-15PU 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 AT28C64B-15PU datasheet pdf, AT28C64B pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Microchip Technology, Inc

Microchip
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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