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71124S20YGI - Renesas Electronics

Description: The 71124 5V CMOS SRAM is organized as 128K x 8. The JEDEC centerpower/GND pinout reduces noise generation and improves system performance. All bidirectional inputs and outputs of the 71124 are TTL-compatible and operation is from a single 5V supply. Fully static asynchronous circuitry is used; no clocks or refreshes are required for operation.

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71124S20YGI - Renesas Electronics PCB footprint - Other - Other - 71124S20YGI-3
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71124S20YGI Details

  • Manufacturer Part Number:

    71124S20YGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOJ

  • Pin Count:

    32

  • Manufacturer Package Code:

    PBG32

  • ECCN Code:

    3A991.b.2.b

  • HTS Code:

    8542.32.00.41

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    20 ns

  • I/O Type:

    COMMON

  • JESD-30 Code:

    R-PDSO-J32

  • JESD-609 Code:

    e3

  • Length:

    20.955 mm

  • Memory Density:

    1048576 bit

  • Memory IC Type:

    STANDARD SRAM

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Number of Words:

    131072 words

  • Number of Words Code:

    128000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    128KX8

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOJ

  • Package Equivalence Code:

    SOJ32,.44

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.683 mm

  • Standby Current-Max:

    0.01 A

  • Standby Voltage-Min:

    4.5 V

  • Supply Current-Max:

    0.14 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):

    30

  • Width:

    10.16 mm

71124S20YGI 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, copper pours, and other layout considerations to ensure optimal thermal performance.
  • The 71124S20YGI has an internal overcurrent protection (OCP) feature, but it's not enabled by default. To implement OCP, you need to connect an external resistor (Rocp) between the OCP pin and GND, and set the OCP threshold using the ILM pin. Refer to the datasheet and application notes for more details.
  • Although the datasheet specifies a maximum VCC voltage of 5.5V, it's recommended to limit the voltage to 5V during power-up to prevent damage to the internal voltage regulator. A soft-start circuit or a voltage ramp-up circuit can be used to ensure a safe power-up sequence.
  • To ensure EMC, follow Renesas' guidelines for PCB layout, component selection, and shielding. Use a metal shield or a shielded enclosure to reduce electromagnetic radiation. Additionally, implement filtering and decoupling capacitors to minimize electromagnetic interference (EMI).
  • Although the datasheet specifies an operating temperature range of -40°C to 125°C, it's recommended to operate the device within a narrower range (e.g., 0°C to 85°C) to ensure optimal performance, reliability, and longevity.

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71124S20YGI Overview

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