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71342LA20PFG - 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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71342LA20PFG - Renesas Electronics - PCB symbol
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71342LA20PFG Details

  • Manufacturer Part Number:

    71342LA20PFG

  • 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:

    20 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:

    70 °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:

    0.24 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:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Position:

    QUAD

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

    30

71342LA20PFG Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern under the package.
  • Implement a robust power-on reset circuit, ensure a stable clock signal, and consider using a thermistor or thermocouple to monitor temperature. Also, follow the recommended operating conditions and derating guidelines.
  • Use a shielded enclosure, keep analog and digital traces separate, and avoid running sensitive signals near the microcontroller's clock and reset lines. Also, consider adding EMI filters and ferrite beads to the power supply lines.
  • Use the device's low-power modes, optimize the clock frequency, and minimize peripheral usage. Consider using a power gating technique and implementing a dynamic voltage and frequency scaling (DVFS) strategy.
  • Use a version control system, implement a modular code structure, and utilize the device's built-in debugging features. Consider using a real-time operating system (RTOS) and a debugging tool like a logic analyzer or an in-circuit emulator.

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71342LA20PFG Overview

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71342LA20PFG Alternates

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