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AT25DF641A-SH-T - Renesas Electronics

Description: The AT25DF641A is a member of our System Enhancing class of code and data storage solutions. It is designed for all system memory tasks ranging from boot/code shadowing to data logging and includes the 256-byte page Erase feature that enables efficient, lower energy datalogging.

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AT25DF641A-SH-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8S2 – EIAJ SOIC
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AT25DF641A-SH-T Details

  • Manufacturer Part Number:

    AT25DF641A-SH-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC-W

  • Package Description:

    SOIC-8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    3

  • Clock Frequency-Max (fCLK):

    85 MHz

  • Data Retention Time-Min:

    20

  • Endurance:

    100000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    5.29 mm

  • Memory Density:

    67108864 bit

  • Memory IC Type:

    FLASH

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Number of Words:

    8388608 words

  • Number of Words Code:

    8000000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    8MX8

  • 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:

    2.7 V

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.16 mm

  • Serial Bus Type:

    DSPI

  • Standby Current-Max:

    0.00002 A

  • Supply Current-Max:

    0.04 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Type:

    NOR TYPE

  • Width:

    5.24 mm

  • Write Protection:

    HARDWARE/SOFTWARE

AT25DF641A-SH-T Frequently Asked Questions (FAQs)

  • The AT25DF641A-SH-T has a minimum of 100,000 erase cycles, but the actual number of cycles may vary depending on the usage and operating conditions.
  • The hold pin (HOLD#) is used to pause the serial communication between the microcontroller and the flash memory. To use it, connect the HOLD# pin to the microcontroller's GPIO pin and assert it low to pause the communication. De-assert the pin to resume communication.
  • The recommended power-up sequence is to apply VCC first, followed by the clock signal (SCK), and then the chip select (CS#) and other control signals. This ensures proper initialization of the device.
  • The WP# (Write Protect) pin is used to protect the status register from accidental changes. To protect the status register, connect the WP# pin to VCC. To allow changes to the status register, connect the WP# pin to GND.
  • The RDY/BUSY# pin indicates the busy status of the device. When the pin is low, the device is busy with an internal operation and cannot accept new commands. When the pin is high, the device is ready to accept new commands.

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