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W956D8MBYA6I - Winbond

Description: DRAM Chip DDR SDRAM 64Mbit 8Mx8 1.8V 24-Pin TFBGA

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W956D8MBYA6I - Winbond - PCB symbol
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PCB Footprints
W956D8MBYA6I - Winbond PCB footprint - BGA - BGA - W956D8MBYA
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3D Models
W956D8MBYA6I - Winbond - 3D model - BGA - W956D8MBYA
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W956D8MBYA6I Details

  • Manufacturer Part Number:

    W956D8MBYA6I

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TFBGA-24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.02

  • Date Of Intro:

    2019-09-25

  • Manufacturer:

    Winbond Electronics Corp

  • YTEOL:

    4

  • Additional Feature:

    IT ALSO REQUIRES 3V NOMINAL SUPPLY VOLTAGE

  • Clock Frequency-Max (fCLK):

    166 MHz

  • I/O Type:

    COMMON

  • JESD-30 Code:

    R-PBGA-B24

  • Length:

    8 mm

  • Memory Density:

    67108864 bit

  • Memory IC Type:

    PSEUDO STATIC RAM

  • Memory Width:

    8

  • Number of Functions:

    1

  • Number of Ports:

    1

  • Number of Terminals:

    24

  • 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

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VBGA

  • Package Equivalence Code:

    BGA24,5X5,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE

  • Seated Height-Max:

    1.2 mm

  • Self Refresh:

    YES

  • Standby Current-Max:

    0.00025 A

  • Supply Current-Max:

    0.028 mA

  • Supply Voltage-Max (Vsup):

    2 V

  • Supply Voltage-Min (Vsup):

    1.7 V

  • Supply Voltage-Nom (Vsup):

    1.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    BOTTOM

  • Width:

    6 mm

W956D8MBYA6I Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the W956D8MBYA6I is -40°C to 85°C, but it can also operate in an extended temperature range of -40°C to 105°C with reduced performance and reliability.
  • The power-up sequence for the W956D8MBYA6I is critical. It's recommended to power up the VCC supply before the VPP supply, and ensure that the VCC supply is stable before applying the VPP supply. A power-up sequence diagram is usually provided in the application notes or design guides.
  • The maximum allowed voltage for the W956D8MBYA6I's input pins is VCC + 0.5V, but it's recommended to keep the input voltage within the VCC supply voltage to prevent latch-up or damage to the device.
  • A reliable reset circuit for the W956D8MBYA6I can be implemented using a voltage supervisor or a reset IC. The reset signal should be asserted for at least 10ms to ensure a proper reset. It's also recommended to add a capacitor to filter out noise and glitches on the reset line.
  • The recommended PCB layout and routing for the W956D8MBYA6I involves keeping the signal traces short and direct, avoiding vias and layer changes, and using a solid ground plane to reduce noise and EMI. It's also recommended to add decoupling capacitors near the device to filter out power supply noise.

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