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87972DYI-147LF - Renesas Electronics

Description: The 87972I-147 is a low skew, LVCMOS/LVTTL Clock Generator and a member of the family of High Performance Clock Solutions from IDT. The 87972I-147 has three selectable inputs and provides 14 LVCMOS/LVTTL outputs. The 87972I-147 is a highly flexible device. Using the crystal oscillator input, it can be used to generate clocks for a system. All of these clocks can be the same frequency or the device can be configured to generate up to three different frequencies among the three output banks. Using one of the

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87972DYI-147LF - Renesas Electronics - PCB symbol
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87972DYI-147LF - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - Y SUFFIX FOR 52 LEAD LQFP
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87972DYI-147LF - Renesas Electronics - 3D model - Quad Flat Packages - Y SUFFIX FOR 52 LEAD LQFP
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87972DYI-147LF Details

  • Manufacturer Part Number:

    87972DYI-147LF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Package Description:

    LQFP-52

  • Pin Count:

    52

  • Manufacturer Package Code:

    PPG52

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • JESD-30 Code:

    S-PQFP-G52

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Moisture Sensitivity Level:

    3

  • Number of Terminals:

    52

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    150 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP52,.47SQ

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    150 MHz

  • Seated Height-Max:

    1.6 mm

  • Supply Current-Max:

    250 mA

  • Supply Voltage-Max:

    3.465 V

  • Supply Voltage-Min:

    3.135 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

  • Width:

    10 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, PROCESSOR SPECIFIC

87972DYI-147LF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (ANXXXX) which includes thermal vias, copper pours, and component placement guidelines to ensure optimal thermal performance.
  • The 87972DYI-147LF has an internal overcurrent protection feature that can be enabled by setting the OCP pin high. Additionally, external overcurrent protection circuits can be implemented using resistors and transistors to provide an additional layer of protection.
  • Renesas recommends using a 10uF to 22uF X5R or X7R ceramic capacitor with a voltage rating of 25V or higher as the input capacitor. The capacitor should be placed as close to the VIN pin as possible to minimize noise and ensure stable operation.
  • Renesas provides a troubleshooting guide in their application note (ANXXXX) which includes steps to verify the input voltage, output voltage, and current consumption. Additionally, engineers can use oscilloscopes and logic analyzers to debug the device and identify potential issues.
  • The 87972DYI-147LF has an operating temperature range of -40°C to 125°C. However, the device's performance and reliability may degrade if operated at the extreme ends of this range. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.

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87972DYI-147LF Overview

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