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8T49N240-991NLGI - Renesas Electronics

Description: The 8T49N240 has one fractional-feedback PLL that can be used as a frequency translator with jitter attenuation or a frequency synthesizer. It is equipped with three integer and one fractional output dividers, allowing the generation of up to two different  output frequencies, ranging from 8kHz to 1GHz. Output frequencies can be completely independent of the input frequencies, two of these frequencies can be completely independent of each other and the other two will be integer-related to one of the other t

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8T49N240-991NLGI - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 40-Lead VFQFN-
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8T49N240-991NLGI - Renesas Electronics  - 3D model - Quad Flat No-Lead - 40-Lead VFQFN-
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8T49N240-991NLGI Details

  • Manufacturer Part Number:

    8T49N240-991NLGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    VFQFPN

  • Package Description:

    VFQFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    NLG40P2

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Additional Feature:

    IT ALSO OPERATES 3.3V NOM SUPPLY

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    866.67 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TRAY

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    875 MHz

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    438 mA

  • Supply Voltage-Max:

    2.625 V

  • Supply Voltage-Min:

    2.375 V

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    6 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, PROCESSOR SPECIFIC

8T49N240-991NLGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (AP-AN-1143) which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize jitter.
  • The 8T49N240-991NLGI is a highly configurable device. Renesas provides a software tool called 'Timing Commander' which allows users to configure the device for specific frequency outputs, as well as other parameters such as output voltage and signal format.
  • While the datasheet specifies an operating temperature range of -40°C to 85°C, Renesas recommends derating the device for extended temperature ranges. Consult the datasheet and application notes for specific derating guidelines.
  • Renesas provides guidelines for EMC in their application note (AP-AN-1144) which includes recommendations for PCB layout, shielding, and filtering to minimize electromagnetic interference (EMI) and ensure compliance with regulatory standards.
  • Renesas recommends a decoupling scheme that includes a combination of ceramic and electrolytic capacitors to filter out noise and ensure stable power supply. Consult the datasheet and application notes for specific decoupling guidelines.

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8T49N240-991NLGI Overview

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