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83948AYILF - Renesas Electronics

Description: The 83948I is a low skew, 1-to-12 Differential-to-LVCMOS/LVTTL Fanout Buffer and a member of the family of High Performance Clock Solutions from IDT. The 83948I 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

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83948AYILF - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - 83948AYILF
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83948AYILF Details

  • Manufacturer Part Number:

    83948AYILF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Package Description:

    LQFP, QFP32,.35SQ,32

  • Pin Count:

    32

  • Manufacturer Package Code:

    PRG32

  • Reach Compliance Code:

    Unknown

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Family:

    83948

  • Input Conditioning:

    DIFFERENTIAL MUX

  • JESD-30 Code:

    S-PQFP-G32

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Max I(ol):

    0.02 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

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP32,.35SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Packing Method:

    TRAY

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    55 mA

  • Prop. Delay@Nom-Sup:

    4 ns

  • Propagation Delay (tpd):

    4 ns

  • Same Edge Skew-Max (tskwd):

    0.35 ns

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

83948AYILF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APL-000001) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
  • Renesas recommends a specific power sequencing scheme in their application note (APL-000002) to ensure proper device operation and prevent latch-up. The sequence involves powering up the VCC and VDD pins in a specific order.
  • Renesas recommends using 0.1uF to 1uF ceramic capacitors with a voltage rating of 10V or higher, placed as close as possible to the VCC and VDD pins to minimize noise and ensure stable operation.
  • Renesas provides a troubleshooting guide in their application note (APL-000003) which covers common issues, such as device not functioning, incorrect output voltage, and excessive current consumption. The guide includes steps to identify and resolve these issues.
  • The recommended operating temperature range for the 83948AYILF is -40°C to 125°C, as specified in the datasheet. However, it's essential to consider the device's thermal characteristics and ensure proper heat dissipation to maintain reliable operation.

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