Products > Integrated Circuits (ICs) > Memory > AT49LV002-70TC

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2-Megabit 256K x 8 Single 2.7-Volt Battery-Voltage Flash Memory

  • Package/Case :
  • TSSOP-32
  • Product Categories :
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 14


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AT49LV002-70TC Product Details


• Single Supply for Read and Write: 2.7V to 3.6 (BV), 3.0 to 3.6V (LV)

• Fast Read Access Time - 70 ns

• Internal Program Control and Timer

• Sector Architecture

– One 16K Byte Boot Block with Programming Lockout

– Two 8K Byte Parameter Blocks

– Two Main Memory Blocks (96K, 128K) Bytes

• Fast Erase Cycle Time - 10 seconds

• Byte By Byte Programming - 30 µs/Byte Typical

• Hardware Data Protection

• DATA Polling For End Of Program Detection

• Low Power Dissipation

– 25 mA Active Current

– 50 µA CMOS Standby Current

• Typical 10,000 Write Cycles


The AT49BV/LV002(N)(T) is a 3-volt-only in-system reprogrammable Flash Memory. Its 2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 70ns with power dissipation of just 90 mW over the commercial temperature range. When the device is deselected, the CMOS standby current is less than 50 µA. For the AT49BV/LV002N(T) pin 1 for the DIP and PLCC packages and pin 9 for the TSOP package are don’t connect pins.

To allow for simple in-system reprogrammability, the AT49BV/LV002(N)(T) 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; it has standard CE, OE, and WE inputs to avoid bus contention. Reprogramming the AT49BV/LV002(N)(T) is performed by erasing a block of data 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.

The device is erased by executing the erase command sequence; the device internally controls the erase operations. There are two 8K byte parameter block sections and two main memory blocks.

The device has the capability to protect the data in the boot block; this feature is enabled by a command sequence.

The 16K-byte boot block section includes a reprogramming lock out feature to provide data integrity. The boot sector is designed to contain user secure code, and when the feature is enabled, the boot sector is protected from being reprogrammed. In the AT49BV/LV002N(T), once the boot block programming lockout feature is enabled, the contents of the boot block are permanent and cannot be changed. In the AT49BV/LV002(T), once the boot block programming lockout feature is enabled, the contents of the boot block cannot be changed with input voltage levels of 5.5 volts or less.


AT49LV002-70TC Pinout
(Picture: Pinout)

AT49LV002-70TC Block Diagram
(Picture: Diagram)

Technical Parameters

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  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Package/Case
  • TSSOP-32

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  • **rnst***

    gut, schnell, preiswert. Danke, gern wieder!!

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Q: How does Jotrin guarantee that AT49LV002-70TC is the original manufacturer or agent of ATMEL?
We have a professional business development department to strictly test and verify the qualifications of ATMEL original manufacturers and agents. All ATMEL suppliers must pass the qualification review before they can publish their AT49LV002-70TC devices; we pay more attention to the channels and quality of AT49LV002-70TC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AT49LV002-70TC chips? Including ATMEL original factory information, FLASH application, AT49LV002-70TC pictures?
You can use Jotrin's intelligent search engine, or filter by FLASH category, or find it through ATMEL Corporation (Microchip Technology) Information page.
Q: Are the ATMEL's AT49LV002-70TC price and stock displayed on the platform accurate?
The ATMEL's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for AT49LV002-70TC, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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 AT49LV00270TC we delivered, we will accept the replacement or return of the AT49LV002-70TC 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 AT49LV002-70TC.
(3)The AT49LV002-70TC is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
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ATMEL Corporation (Microchip Technology)

Atmel Corporation is a global leader in designing, manufacturing and marketing advanced semiconductors including microcontroller (MCU), programmable logic, and nonvolatile memory....
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