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83948AYI-147LFT - Renesas Electronics

Description: The 83948I-147 is a low skew, 1-to-12 Differential-to-LVCMOS/LVTTL Fanout Buffer. The 83948I-147 has two selectable clock inputs. The CLK, nCLK pair can accept most standard differential input levels. The LVCMOS_CLK can accept LVCMOS or LVTTL input levels. The low impedance LVCMOS/LVTTL outputs are designed to drive 50Ω series or parallel terminated transmission lines. The effective fanout can be increased from 12 to 24 by utilizing the ability of the outputs to drive two series terminated lines. The 83948I

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83948AYI-147LFT - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - PRG32
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83948AYI-147LFT - Renesas Electronics  - 3D model - Quad Flat Packages - PRG32
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83948AYI-147LFT Details

  • Manufacturer Part Number:

    83948AYI-147LFT

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFP

  • Package Description:

    LQFP-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    PRG32

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • Additional Feature:

    ALSO OPERATE AT 3.3V SUPPLY

  • Family:

    83948

  • Input Conditioning:

    DIFFERENTIAL

  • JESD-30 Code:

    S-PQFP-G32

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Number of True Outputs:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP32,.35SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    55 mA

  • Prop. Delay@Nom-Sup:

    4.4 ns

  • Propagation Delay (tpd):

    4.4 ns

  • Same Edge Skew-Max (tskwd):

    0.16 ns

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Max (Vsup):

    2.625 V

  • Supply Voltage-Min (Vsup):

    2.375 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • fmax-Min:

    350 MHz

83948AYI-147LFT Frequently Asked Questions (FAQs)

  • Renesas recommends a 4-layer PCB with a solid ground plane and thermal vias to dissipate heat efficiently. A minimum of 2 oz copper thickness is recommended for the power planes.
  • Renesas recommends using a heat sink with a thermal resistance of 10°C/W or lower, and ensuring good airflow around the device. Additionally, derating the device's power consumption can help ensure reliable operation in high-temperature environments.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF, and a voltage rating of 6.3V or higher. The capacitor should be placed as close to the VIN pin as possible.
  • Renesas recommends checking the voltage on the VCC pin during power-up to ensure it reaches the minimum specified voltage (1.65V) within the specified time (10ms). Also, verify that the POR pin is properly connected to a capacitor and resistor to ensure proper reset functionality.
  • Renesas recommends following standard PCB assembly and rework guidelines, including using a soldering iron with a temperature of 350°C or lower, and avoiding excessive heat or mechanical stress on the device.

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