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71V321L25PFG8 - 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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71V321L25PFG8 - Renesas Electronics - PCB symbol
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71V321L25PFG8 - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - 64-TQFP (14x14)
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71V321L25PFG8 - Renesas Electronics - 3D model - Quad Flat Packages - 64-TQFP (14x14)
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71V321L25PFG8 Details

  • Manufacturer Part Number:

    71V321L25PFG8

  • 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:

    70 °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:

    0.0015 A

  • Standby Voltage-Min:

    2 V

  • Supply Current-Max:

    0.1 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:

    COMMERCIAL

  • 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

71V321L25PFG8 Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide for the 71V321L25PFG8, which includes thermal vias, thermal pads, and component placement guidelines to ensure optimal thermal performance. It's available in the device's application note or through Renesas' support team.
  • The 71V321L25PFG8 has built-in POR and BOD circuits. To implement them, connect the VCC pin to a power supply, and the POR/BOD pins to a reset circuit or a microcontroller's reset input. Refer to the datasheet and application notes for specific implementation details.
  • The maximum operating frequency for the 71V321L25PFG8 is 133 MHz. However, the actual operating frequency may vary depending on the system design, clock source, and other factors. It's essential to consult the datasheet and application notes for specific frequency-related information.
  • The 71V321L25PFG8 has a JTAG interface for debugging and testing. To use it, connect a JTAG adapter or debugger to the device's JTAG pins, and configure the adapter according to the manufacturer's instructions. Renesas provides JTAG interface documentation and debugging tools for the device.
  • Renesas recommends using decoupling capacitors with a value of 0.1 μF to 1 μF, depending on the system design and operating frequency. Place the capacitors as close as possible to the device's power pins to ensure optimal decoupling performance.

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71V321L25PFG8 Overview

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