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LTC6954IUFF-4#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC6954IUFF-4#PBF - CLOCK DISTRIBUTION, 1.4GHZ, QFN-36

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PCB Footprints
LTC6954IUFF-4#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 36-Lead Plastic QFN (4mm × 7mm) (Reference LTC DWG # 05-08-1863 Rev Ø)
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3D Models
LTC6954IUFF-4#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - 36-Lead Plastic QFN (4mm × 7mm) (Reference LTC DWG # 05-08-1863 Rev Ø)
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LTC6954IUFF-4#PBF Details

  • Manufacturer Part Number:

    LTC6954IUFF-4#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    QFN-36

  • Pin Count:

    36

  • Manufacturer Package Code:

    05-08-1863

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Family:

    LTC6954

  • Input Conditioning:

    SCHMITT TRIGGER

  • JESD-30 Code:

    R-PQCC-N36

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Load Capacitance (CL):

    10 pF

  • Logic IC Type:

    CLOCK DRIVER/DIVIDER

  • Max I(ol):

    2.5 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    3

  • Number of Inverted Outputs:

    3

  • Number of Terminals:

    36

  • Number of True Outputs:

    3

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC36,.16X.28,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Power Supply Current-Max (ICC):

    315 mA

  • Prop. Delay@Nom-Sup:

    0.625 ns

  • Propagation Delay (tpd):

    0.625 ns

  • Same Edge Skew-Max (tskwd):

    0.12 ns

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    3.45 V

  • Supply Voltage-Min (Vsup):

    3.15 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

  • fmax-Min:

    1400 MHz

LTC6954IUFF-4#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC6954 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the device close to the power supply decoupling capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper power-up and power-down, the LTC6954 requires a controlled voltage ramp-up and ramp-down. A soft-start circuit can be used to limit the inrush current and prevent voltage overshoots.
  • The maximum clock frequency of the LTC6954 is 3.2 GHz. However, the actual clock frequency used may be limited by the specific application and the quality of the clock signal.
  • To optimize the LTC6954 for low jitter performance, use a high-quality clock source, minimize the length of the clock signal traces, and use a low-jitter voltage regulator to power the device. Additionally, use a low-ESR decoupling capacitor and a solid ground plane to reduce noise.
  • The recommended operating temperature range for the LTC6954 is -40°C to 85°C. However, the device can operate up to 125°C with reduced performance and reliability.

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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