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71342LA25PFGI - Renesas Electronics

Description: The 71342 is a high-speed 4K x 8 Dual-Port Static RAM containing a fully independent semaphore logic block to assist in arbitrating between ports. This block contains unassigned flags which can be accessed by either side, however, only one side can control the flag at any time. An automatic power down feature, controlled by CE and SEM, permits the on-chip circuitry of each port to enter a very low standby power mode (both CE and SEM HIGH).

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71342LA25PFGI Details

  • Manufacturer Part Number:

    71342LA25PFGI

  • 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

  • Memory Density:

    32768 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:

    4096 words

  • Number of Words Code:

    4000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    4KX8

  • Output Enable:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    SQUARE

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Standby Current-Max:

    0.08 A

  • Standby Voltage-Min:

    2 V

  • Supply Current-Max:

    0.26 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:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Position:

    QUAD

71342LA25PFGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APL-AN-1143) for the 71342LA25PFGI, which includes thermal vias, heat sink attachment, and PCB layer stack-up recommendations.
  • Renesas recommends following the thermal design guidelines, using a heat sink with a thermal resistance of ≤ 10°C/W, and ensuring good airflow around the device. Additionally, consider using thermal interface materials and conformal coatings to enhance thermal performance.
  • Renesas recommends using a low-ESR ceramic capacitor (CIN) with a value of 10-22 μF and a voltage rating of 25-50 V. For COUT, use a low-ESR ceramic or electrolytic capacitor with a value of 22-47 μF and a voltage rating of 10-25 V.
  • Renesas recommends using a resistive divider network with a ratio of 1:1 to 1:2, and placing the feedback resistors close to the device. Additionally, consider adding a capacitor (CFB) in parallel with the upper feedback resistor to improve stability.
  • Renesas recommends derating the output current based on the ambient temperature and PCB thermal design. Ensure the device is properly heat-sinked, and consider using multiple devices in parallel to achieve higher output currents.

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