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71V321L25PFGI8 - Renesas Electronics

Description: The 71V321 is a high-speed 2K x 8 Dual-Port Static RAMs with internal interrupt logic for interprocessor communications. The device provides two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. An automatic power down feature, controlled by CE, permits the on chip circuitry of each port to enter a very low standby power mode.

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71V321L25PFGI8 Details

  • Manufacturer Part Number:

    71V321L25PFGI8

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFP

  • Pin Count:

    64

  • Manufacturer Package Code:

    PNG64

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.41

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    4

  • Access Time-Max:

    25 ns

  • I/O Type:

    COMMON

  • JESD-30 Code:

    S-PQFP-G64

  • JESD-609 Code:

    e3

  • Length:

    14 mm

  • Memory Density:

    16384 bit

  • Memory IC Type:

    MULTI-PORT SRAM

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    64

  • Number of Words:

    2048 words

  • Number of Words Code:

    2000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    2KX8

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP64,.66SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Standby Current-Max:

    0.004 A

  • Standby Voltage-Min:

    2 V

  • Supply Current-Max:

    0.13 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    14 mm

71V321L25PFGI8 Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN9711, which includes guidelines for signal routing, power supply decoupling, and thermal management to ensure optimal performance and minimize noise.
  • A reliable POR circuit can be implemented using an external resistor and capacitor connected to the VCC pin, as described in the datasheet. Additionally, Renesas recommends using a voltage supervisor IC, such as the RP108 series, to ensure a clean power-on reset.
  • The 71V321L25PFGI8 has a thermal junction-to-case rating of 30°C/W. To ensure reliable operation, Renesas recommends using a heat sink or thermal pad, and following the thermal management guidelines outlined in the datasheet and application notes.
  • The 71V321L25PFGI8 has a JTAG interface that can be used for debugging and programming. Renesas provides a JTAG adapter and software tools, such as the Renesas Flash Development Toolkit, to facilitate the debugging and programming process.
  • Renesas recommends following the EMI and RFI guidelines outlined in the datasheet and application notes, including using a shielded enclosure, minimizing signal loop areas, and using EMI filters and shielding components as necessary.

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71V321L25PFGI8 Overview

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