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345RIPLFT - Renesas Electronics

Description: The 345 field programmable clock synthesizer generates up to nine high-quality, high-frequency clock outputs including multiple reference clocks from a low-frequency crystal or clock input. It is designed to replace crystals and crystal oscillators in most electronic systems. Using IDT's VersaClockTM software to configure PLLs and outputs, the 345 contains a One-Time Programmable (OTP) ROM to allow field programmability. Programming features include eight selectable configuration registers, up to two sets o

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345RIPLFT - Renesas Electronics - PCB symbol
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PCB Footprints
345RIPLFT - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PCG_20
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345RIPLFT - Renesas Electronics - 3D model - Small Outline Packages - PCG_20
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345RIPLFT Details

  • Manufacturer Part Number:

    345RIPLFT

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QSOP

  • Package Description:

    SSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    PCG20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    200 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    50 MHz

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    3.45 V

  • Supply Voltage-Min:

    3.15 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, OTHER

345RIPLFT Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN4301EJ0100) which includes thermal design considerations, such as thermal vias, copper pours, and component placement, to ensure optimal thermal performance.
  • Renesas recommends using an external overcurrent protection circuit, such as a fuse or a dedicated overcurrent protection IC, to protect the device from excessive current. The datasheet provides guidelines for selecting the appropriate overcurrent protection component.
  • While the datasheet specifies a recommended operating voltage range of 3.0V to 3.6V, Renesas recommends operating the device within a narrower range of 3.1V to 3.4V for optimal performance and reliability.
  • Renesas provides EMC design guidelines in their application note (R01AN4301EJ0100) which include recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference (EMI) and ensure EMC compliance.
  • While the datasheet specifies a maximum Tj of 150°C, Renesas recommends operating the device at a maximum Tj of 125°C to ensure long-term reliability and prevent thermal degradation.

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345RIPLFT Overview

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