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AT25SF081-SHD-T - Renesas Electronics

Description: The AT25SF081 is a serial interface Flash memory device designed for use in a wide variety of high-volume consumer-based applications in which program code is shadowed from Flash memory into embedded or external RAM for execution. The flexible erase architecture of the AT25SF081 is ideal for data storage as well, eliminating the need for additional data storage devices.

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AT25SF081-SHD-T Details

  • Manufacturer Part Number:

    AT25SF081-SHD-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC-W

  • Package Description:

    SOIC-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Clock Frequency-Max (fCLK):

    104 MHz

  • Data Retention Time-Min:

    20

  • Endurance:

    100000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    5.29 mm

  • Memory Density:

    8388608 bit

  • Memory IC Type:

    FLASH

  • Memory Width:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Number of Words:

    1048576 words

  • Number of Words Code:

    1000000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    1MX8

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Parallel/Serial:

    SERIAL

  • Programming Voltage:

    3 V

  • Seated Height-Max:

    2.16 mm

  • Serial Bus Type:

    QSPI

  • Standby Current-Max:

    0.000005 A

  • Supply Current-Max:

    0.012 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Type:

    NOR TYPE

  • Width:

    5.24 mm

  • Write Protection:

    HARDWARE/SOFTWARE

AT25SF081-SHD-T Frequently Asked Questions (FAQs)

  • The AT25SF081-SHD-T has a maximum of 100,000 erase cycles per sector, and a total of 2,000,000 erase cycles for the entire device.
  • To handle page write buffer underrun errors, ensure that the page write buffer is fully loaded with data before initiating a page write operation. Also, use the status register to monitor the write buffer status and take corrective action if an underrun error occurs.
  • The recommended power-up sequence is to apply VCC first, followed by VSS. During power-down, VSS should be removed first, followed by VCC. This sequence helps prevent unwanted write operations and ensures data integrity.
  • Wear leveling can be implemented using a combination of hardware and software techniques. One approach is to use a wear leveling algorithm that distributes write operations across the entire device, ensuring that no single sector or block is overused. Additionally, using a flash translation layer (FTL) can help to manage wear leveling and bad block management.
  • The AT25SF081-SHD-T has an operating temperature range of -40°C to +85°C. However, it's recommended to operate the device within a temperature range of 0°C to +70°C for optimal performance and reliability.

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