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251PMILF - Renesas Electronics

Description: The IDT251 is a low cost, single-output, field programmable clock synthesizer. The IDT251 can generate an output frequency from 314 kHz to 200 MHz and may employ Spread Spectrum techniques to reduce system electro-magnetic interference (EMI). Using IDT's VersaClock™ software to configure the PLL and output, the IDT251 contains a One-Time Programmable (OTP) ROM to allow field programmability. Programming features include 4 selectable configuration registers. The device employs Phase-Locked Loop (PLL) techniq

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251PMILF - Renesas Electronics - PCB symbol
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PCB Footprints
251PMILF - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8-pin SOIC
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251PMILF - Renesas Electronics - 3D model - Small Outline Packages - 8-pin SOIC
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251PMILF Details

  • Manufacturer Part Number:

    251PMILF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Manufacturer Package Code:

    DCG8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    200 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    150 MHz

  • Qualification Status:

    Not Qualified

  • 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:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, OTHER

251PMILF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (AP61101) which includes thermal vias, thermal pads, and heat sink design considerations to ensure optimal thermal performance.
  • Renesas recommends using an external overcurrent protection circuit, such as a current sense resistor and a comparator, to detect overcurrent conditions and trigger a shutdown or warning signal. The datasheet provides guidelines for selecting the current sense resistor value.
  • According to Renesas, the maximum allowed voltage on the VCC pin during power-up and power-down sequences is 7V. Exceeding this voltage may cause damage to the device.
  • Renesas provides EMC design guidelines in their application note (AP61102) which includes recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference and ensure compliance with relevant standards.
  • The recommended operating temperature range for the 251PMILF is -40°C to 125°C. However, the device can operate up to 150°C with derating. Consult the datasheet for detailed thermal derating information.

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251PMILF Overview

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