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CDCE949PWG4 - Texas Instruments

Description: TEXAS INSTRUMENTS - CDCE949PWG4 - Clock Synthesiser, 2 Wire, Serial, 230 MHz, 1.7V-1.9V supply, 9 Outputs, TSSOP-24

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CDCE949PWG4 - Texas Instruments - PCB symbol
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PCB Footprints
CDCE949PWG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0024A
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CDCE949PWG4 - Texas Instruments - 3D model - Small Outline Packages - PW0024A
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CDCE949PWG4 Details

  • Manufacturer Part Number:

    CDCE949PWG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    24

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    230 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    32 MHz

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    38 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    2.3 V

  • Supply Voltage-Nom:

    1.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, VIDEO

CDCE949PWG4 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to power up the VCC pin first, followed by the VCCPLL pin, and then the input clock signal. This ensures proper initialization and prevents any potential latch-up conditions.
  • The CDCE949PWG4 can be configured for a specific output frequency by setting the appropriate values for the M, N, and R dividers using the SPI interface. The TI-provided software tool, CDCE949 Evaluation Module, can be used to calculate the divider values and program the device.
  • The maximum input clock frequency that the CDCE949PWG4 can handle is 350 MHz. However, the device can also accept input frequencies up to 700 MHz with an external divider or attenuator.
  • Proper thermal management for the CDCE949PWG4 can be ensured by providing a heat sink or a thermal pad on the exposed pad of the QFN package, and ensuring good airflow around the device. The device's junction temperature should be kept below 125°C to ensure reliable operation.
  • The internal PLL loop filter is used to filter the PLL control voltage and ensure stable operation. The loop filter can be optimized by adjusting the values of the external resistors and capacitors connected to the FILT pin, based on the specific application requirements and clock frequency.

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CDCE949PWG4 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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