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71256L25YGI - Renesas Electronics

Description: The 71256 5V CMOS SRAM is organized as 32K x 8. The circuit also offers a reduced power standby mode for significant system level power and cooling savings. The low-power (L) version also offers a battery backup data retention capability allowing operation off a 2V battery. Fully static asynchronous circuitry is used; no clocks or refreshes are required for operation. Military grade product is available.

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71256L25YGI - Renesas Electronics PCB footprint - Other - Other - 71256L25YGI-4
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71256L25YGI - Renesas Electronics  - 3D model - Other - 71256L25YGI-4
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71256L25YGI Details

  • Manufacturer Part Number:

    71256L25YGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOJ

  • Pin Count:

    28

  • Manufacturer Package Code:

    PJG28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.41

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    25 ns

  • I/O Type:

    COMMON

  • JESD-30 Code:

    R-PDSO-J28

  • JESD-609 Code:

    e3

  • Length:

    17.9324 mm

  • Memory Density:

    262144 bit

  • Memory IC Type:

    STANDARD SRAM

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Number of Words:

    32768 words

  • Number of Words Code:

    32000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    32KX8

  • Output Enable:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOJ

  • Package Equivalence Code:

    SOJ28,.34

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    3.556 mm

  • Standby Current-Max:

    0.0006 A

  • Standby Voltage-Min:

    4.5 V

  • Supply Current-Max:

    0.125 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    7.5184 mm

71256L25YGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APN) documents, which can be found on their website. The guide includes thermal vias, heat sink recommendations, and PCB layer stack-up suggestions to ensure optimal thermal performance.
  • Renesas recommends following the power sequencing guidelines outlined in the datasheet, which involves powering up the VCC and VCCIO pins in a specific order. Additionally, Renesas provides a power sequencing application note that provides more detailed information and examples.
  • Renesas recommends using high-frequency, low-ESR capacitors (e.g., 0.1uF, 1uF, and 10uF) for decoupling, placed as close as possible to the power pins. The datasheet provides more information on the recommended decoupling capacitor values and placement.
  • Renesas recommends following the ESD protection guidelines outlined in the datasheet, which include using ESD protection diodes, resistors, and capacitors on the I/O lines. Additionally, Renesas provides an ESD protection application note that provides more detailed information and examples.
  • The thermal resistance values (RθJA and RθJC) can be found in the datasheet, typically in the 'Thermal Characteristics' section. These values are used to calculate the junction temperature of the device.

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