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CDCE937PW - Texas Instruments

Description: Programmable 3-PLL VCXO Clock Synthesizer with 2.5-V or 3.3-V LVCMOS Outputs

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CDCE937PW - Texas Instruments - PCB symbol
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PCB Footprints
CDCE937PW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G20)
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3D Models
CDCE937PW - Texas Instruments - 3D model - Small Outline Packages - PW (R-PDSO-G20)
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CDCE937PW Details

  • Manufacturer Part Number:

    CDCE937PW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    20

  • 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 Voltage-Max:

    1.9 V

  • Supply Voltage-Min:

    1.7 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

CDCE937PW Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VDD, and then the input clock signal. This ensures proper device initialization and prevents potential latch-up conditions.
  • The CDCE937PW can be configured using the SPI interface to set the output frequency. The device has a 7-bit frequency select register (FSR) that allows you to select from 128 possible frequencies. Consult the datasheet for the FSR code table and calculation formula.
  • The CDCE937PW can handle input clock frequencies up to 200 MHz. However, the maximum input frequency may be limited by the specific application and board layout. It's essential to ensure that the input clock signal meets the device's input requirements and is properly terminated.
  • Yes, the CDCE937PW can be used as a clock multiplier. The device has a built-in PLL that allows you to multiply the input clock frequency by a factor of 1 to 128. This makes it suitable for applications that require a higher clock frequency than the input signal.
  • Proper thermal management is crucial for the CDCE937PW. Ensure that the device is mounted on a suitable heat sink, and the thermal pad is connected to a solid ground plane. The device's thermal resistance (RθJA) is 45°C/W, and the maximum junction temperature is 150°C.

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CDCE937PW 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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