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W978H6KBVX2E - Winbond

Description: 256Mb Low Power DDR2 SDRAM 800MHz VFBGA134

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PCB Footprints
W978H6KBVX2E - Winbond PCB footprint - BGA - BGA - VFBGA 134 Ball-1
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3D Models
W978H6KBVX2E - Winbond  - 3D model - BGA - VFBGA 134 Ball-1
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W978H6KBVX2E Details

  • Manufacturer Part Number:

    W978H6KBVX2E

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    VFBGA-134

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.24

  • Manufacturer:

    Winbond Electronics Corp

  • YTEOL:

    3

  • Access Mode:

    FOUR BANK PAGE BURST

  • Additional Feature:

    AUTO/SELF REFRESH; IT ALSO REQUIRES 1.8V NOM

  • JESD-30 Code:

    R-PBGA-B134

  • Length:

    11.5 mm

  • Memory Density:

    268435456 bit

  • Memory IC Type:

    LPDDR2 DRAM

  • Memory Width:

    16

  • Number of Functions:

    1

  • Number of Ports:

    1

  • Number of Terminals:

    134

  • Number of Words:

    16777216 words

  • Number of Words Code:

    16000000

  • Operating Mode:

    SYNCHRONOUS

  • Organization:

    16MX16

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    1 mm

  • Self Refresh:

    YES

  • Supply Voltage-Max (Vsup):

    1.3 V

  • Supply Voltage-Min (Vsup):

    1.14 V

  • Supply Voltage-Nom (Vsup):

    1.2 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    BOTTOM

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Width:

    10 mm

W978H6KBVX2E Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the W978H6KBVX2E is -40°C to 85°C, but it can also operate in an extended temperature range of -40°C to 105°C with some performance degradation.
  • The power-up sequence for the W978H6KBVX2E is critical. It's recommended to power up the VCCQ pin first, followed by the VCC pin, and then the input signals. This ensures proper initialization and prevents latch-up or damage to the device.
  • The W978H6KBVX2E supports a maximum clock frequency of 166 MHz, but it's recommended to operate at a frequency of 133 MHz or lower for optimal performance and reliability.
  • The reset signal for the W978H6KBVX2E should be asserted low for at least 10 ns to ensure proper reset. It's recommended to use a reset IC or a dedicated reset circuit to generate a clean and reliable reset signal.
  • The recommended termination scheme for the W978H6KBVX2E is to use a 22-ohm resistor in series with a 22-pF capacitor to ground on each output pin. This helps to reduce signal reflections and improve signal integrity.

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W978H6KBVX2E Overview

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