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AT25QF128A-SHB-T - Renesas Electronics

Description: The AT25QF128A is a member of our standard class code and data storage solutions designed for 3V systems in which program code is shadowed from Flash memory into embedded or external RAM for execution.The architecture includes erase block sizes that are optimized to meet the needs of today's code and data storage applications and three security register pages for unique device serialization, system-level Electronic Serial Number (ESN) storage, locked key storage, etc. Universally compatible pinout and comma

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AT25QF128A-SHB-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8S2 – EIAJ SOIC
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AT25QF128A-SHB-T Details

  • Manufacturer Part Number:

    AT25QF128A-SHB-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-W

  • Package Description:

    SOIC-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Boot Block:

    BOTTOM/TOP

  • Clock Frequency-Max (fCLK):

    133 MHz

  • Data Retention Time-Min:

    20

  • Endurance:

    100000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    5.28 mm

  • Memory Density:

    134217728 bit

  • Memory IC Type:

    FLASH

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Number of Words:

    16777216 words

  • Number of Words Code:

    16000000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    16MX8

  • 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

  • Seated Height-Max:

    2.16 mm

  • Serial Bus Type:

    QSPI

  • Standby Current-Max:

    0.00003 A

  • Supply Current-Max:

    0.02 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 Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Type:

    NOR TYPE

  • Width:

    5.23 mm

  • Write Protection:

    HARDWARE/SOFTWARE

AT25QF128A-SHB-T Frequently Asked Questions (FAQs)

  • The AT25QF128A-SHB-T has a minimum of 100,000 erase cycles per sector, and a total of 1,000,000 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 the write operation. Also, use the Write Buffer Load command (0x84) to load the write buffer, and the Write Buffer Write command (0x89) to write the data to the flash memory.
  • The recommended power-up sequence is to apply VCC first, followed by the clock signal (SCK), and then the chip select signal (CS#). This ensures that the device is properly initialized and ready for operation.
  • The device density and organization can be determined by reading the Device ID (JEDEC ID) using the Read Identification command (0x9F). The Device ID is 1F 45 01 for the AT25QF128A-SHB-T, which indicates a 128-Mbit device with a x8 or x16 organization.
  • The Write Enable Latch (WEL) bit is used to enable or disable write operations to the device. When WEL is set to 1, write operations are enabled, and when WEL is set to 0, write operations are disabled. This provides an additional layer of protection against accidental writes to the device.

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