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CDC340DW - Texas Instruments

Description: 1-to-8 clock driver with tight AC specification

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CDC340DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW
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CDC340DW Details

  • Manufacturer Part Number:

    CDC340DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    340

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.825 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Max I(ol):

    0.048 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Number of True Outputs:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    33 mA

  • Prop. Delay@Nom-Sup:

    4.8 ns

  • Propagation Delay (tpd):

    4.8 ns

  • Qualification Status:

    Not Qualified

  • Same Edge Skew-Max (tskwd):

    0.6 ns

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.52 mm

  • fmax-Min:

    80 MHz

CDC340DW Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VCC first, followed by VDD, and then the clock signal. This ensures proper initialization and prevents latch-up.
  • To handle metastability, use synchronous clock domains, ensure proper clock domain crossing, and use synchronizers or FIFOs to transfer data between clock domains. Additionally, use the CDC340DW's built-in synchronizers and FIFOs to minimize metastability issues.
  • The CDC340DW supports clock frequencies up to 100 MHz. However, the actual frequency limit may vary depending on the specific application, PCB layout, and signal integrity.
  • Implement CDC by using the CDC340DW's built-in CDC circuits, such as the synchronizers and FIFOs. Ensure proper clock domain crossing by using asynchronous FIFOs, gray code counters, or other CDC techniques.
  • The latency of the CDC340DW's FIFOs depends on the specific configuration and clock frequency. Typically, the latency is around 2-4 clock cycles for the asynchronous FIFOs and 1-2 clock cycles for the synchronous FIFOs.

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CDC340DW 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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