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CDCV857BIDGG - Texas Instruments

Description: CDCV857B, CDCV857BI 2.5-V Phase-Lock Loop Clock Driver

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CDCV857BIDGG - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGG (R-PDSO-G48)
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CDCV857BIDGG - Texas Instruments  - 3D model - Small Outline Packages - DGG (R-PDSO-G48)
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CDCV857BIDGG Details

  • Manufacturer Part Number:

    CDCV857BIDGG

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-48

  • Pin Count:

    48

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    857

  • Input Conditioning:

    DIFFERENTIAL

  • JESD-30 Code:

    R-PDSO-G48

  • JESD-609 Code:

    e4

  • Length:

    12.5 mm

  • Load Capacitance (CL):

    14 pF

  • Logic IC Type:

    PLL BASED CLOCK DRIVER

  • Max I(ol):

    0.012 A

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Number of True Outputs:

    10

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP48,.3,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    12 mA

  • Qualification Status:

    Not Qualified

  • Same Edge Skew-Max (tskwd):

    0.1 ns

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    2.7 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    6.1 mm

  • fmax-Min:

    200 MHz

CDCV857BIDGG 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 initialization and prevents potential latch-up conditions.
  • When the input clock signal is not present, the output clock signal will be in a high-impedance state. It's recommended to use a pull-down resistor or a clock buffer with a built-in pull-down to ensure a stable output clock signal.
  • The maximum input clock frequency is 200 MHz, but it's recommended to derate the frequency based on the specific application and operating conditions to ensure reliable operation.
  • While the CDCV857BIDGG is designed for a fanout of up to 7, it's possible to use it with a higher fanout by adding external buffers or repeaters. However, this may impact the signal integrity and jitter performance.
  • The optimal value for the output clock signal termination resistor depends on the specific application, PCB layout, and signal integrity requirements. A good starting point is to use a 50-ohm resistor, but it may need to be adjusted based on simulation and measurement results.

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CDCV857BIDGG 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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