Products > Integrated Circuits (ICs) > Memory > AT49F040-90JC

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AT49F040-90JC

4 Megabit 512K x 8 5-volt Only CMOS Flash Memory,Flash 4M bit

  • Package/Case :
  • PLCC-32
  • Product Categories :
  • Flash
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 1339

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AT49F040-90JC Product Details

Description

The AT49F040 is a 5-volt-only in-system Flash Memory. Its 4 megabits of memory is organized as 524,288 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 90 ns with power dissipation of just 275 mW over the commercial temperature range. When the device is deselected, the CMOS standby current is less than 100 µA. To allow for simple in-system reprogrammability, the AT49F040 does not require high input voltages for programming. Five-volt-only commands determine the read and programming operation of the device. Reading data out of the device is similar to reading from an EPROM. Reprogramming the AT49F040 is performed by erasing the entire 4 megabits of memory and then programming on a byte by byte basis. The byte programming time is a fast 50 µs. The end of a program cycle can be optionally detected by the DATA polling feature. Once the end of a byte program cycle has been detected, a new access for a read or program can begin. The typical number of program and erase cycles is in excess of 10,000 cycles. 

Features

• Single Voltage Operation - 5V Read - 5V Reprogramming

• Fast Read Access Time - 90 ns

• Internal Program Control and Timer

• 16K bytes Boot Block With Lockout

• Fast Erase Cycle Time - 10 seconds

• Byte By Byte Programming - 50 µs/Byte

• Hardware Data Protection

• DATA Polling For End Of Program Detection

• Low Power Dissipation - 50 mA Active Current - 100 µA CMOS Standby Current

• Typical 10,000 Write Cycles

AT49F040-90JC

AT49F040-90JC Pinout
(Picture: Pinout)

AT49F040-90JC Block Diagram
(Picture: Diagram)

Technical Parameters

  • Data Bus Width
  • 8 bit
  • Memory Type
  • NOR Flash
  • Memory Size
  • 4 Mbit
  • Architecture
  • Sectored
  • Interface Type
  • Parallel
  • Access Time
  • 90 ns
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 4.5 V
  • Maximum Operating Current
  • 50 mA
  • Operating Temperature
  • + 70 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • PLCC-32
  • Organization
  • 512 KB x 8

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Estimated Delivery Time: Dec 02 - Dec 07 days (choose Expedited at checkout).

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  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

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

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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.

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Guarantees

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 AT49F040-90JC 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 AT49F040-90JC devices; we pay more attention to the channels and quality of AT49F040-90JC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AT49F040-90JC chips? Including MICROCHIP original factory information, Flash application, AT49F040-90JC pictures?
You can use Jotrin's intelligent search engine, or filter by Flash category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's AT49F040-90JC 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 AT49F040-90JC, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Q: What is the process for returns or replacement of AT49F040-90JC?
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 AT49F04090JC we delivered, we will accept the replacement or return of the AT49F040-90JC 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 AT49F040-90JC.
(3)The AT49F040-90JC 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.
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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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