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AT25DN256-SSHF-T - Renesas Electronics

Description: The AT25DN256 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 AT25DN256, with its page erase granularity it is ideal for data storage as well, eliminating the need for additional data storage devices.

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AT25DN256-SSHF-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8S1 – JEDEC SOIC
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AT25DN256-SSHF-T - Renesas Electronics  - 3D model - Small Outline Packages - 8S1 – JEDEC SOIC
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AT25DN256-SSHF-T Details

  • Manufacturer Part Number:

    AT25DN256-SSHF-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-N

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    4

  • Clock Frequency-Max (fCLK):

    104 MHz

  • Data Retention Time-Min:

    20

  • Endurance:

    100000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.925 mm

  • Memory Density:

    262144 bit

  • Memory IC Type:

    FLASH

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Number of Words:

    32768 words

  • Number of Words Code:

    32000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    32KX8

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Parallel/Serial:

    SERIAL

  • Programming Voltage:

    3 V

  • Seated Height-Max:

    1.75 mm

  • Serial Bus Type:

    DSPI

  • Standby Current-Max:

    0.000015 A

  • Supply Current-Max:

    0.018 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Type:

    NOR TYPE

  • Width:

    3.9 mm

  • Write Protection:

    HARDWARE/SOFTWARE

AT25DN256-SSHF-T Frequently Asked Questions (FAQs)

  • The AT25DN256-SSHF-T has a maximum of 100,000 erase cycles per sector, and 10,000 erase cycles per block.
  • To handle page write buffer underrun errors, ensure that the page write buffer is fully loaded with data before initiating the write operation. Also, use the status register to monitor the write operation and detect any errors.
  • The recommended power-up sequence is to apply VCC first, followed by VSS, and then the clock signal. This ensures that the device powers up correctly and minimizes the risk of latch-up or other power-up related issues.
  • Wear leveling can be implemented by using a combination of techniques such as dynamic wear leveling, static wear leveling, and bad block management. The goal is to distribute the write cycles evenly across the device to maximize its lifespan.
  • The maximum operating temperature range for the AT25DN256-SSHF-T is -40°C to +85°C. However, it's recommended to operate the device within the industrial temperature range of -40°C to +85°C for optimal performance and reliability.

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