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CD4021BMG4 - Texas Instruments

Description: Shift Register Single 8-Bit Serial/Parallel to Parallel 16-Pin SOIC Tube

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CD4021BMG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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CD4021BMG4 - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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CD4021BMG4 Details

  • Manufacturer Part Number:

    CD4021BMG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    OUTPUTS ALSO AVAILABLE AT 6TH AND 7TH STAGE OF THE SHIFT REGISTER ;ALSO OPERATES AS SISO

  • Count Direction:

    RIGHT

  • Family:

    4000/14000/40000

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    PARALLEL IN SERIAL OUT

  • Max Frequency@Nom-Sup:

    3000000 Hz

  • Max I(ol):

    0.004200000000000001 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    3 mA

  • Prop. Delay@Nom-Sup:

    160 ns

  • Propagation Delay (tpd):

    320 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    3.9 mm

  • fmax-Min:

    8.5 MHz

CD4021BMG4 Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the CD4021BMG4 is 10 MHz, but it can operate up to 20 MHz with a reduced voltage supply (VDD) of 5V.
  • The CLR input should be synchronized with the clock (CLK) signal to avoid metastability issues. It's recommended to use a flip-flop or a synchronizer circuit to synchronize the CLR signal with the CLK signal.
  • A simple POR circuit can be implemented using a resistor, capacitor, and diode. The capacitor should be connected between VDD and GND, and the resistor should be connected between VDD and the CLR input. The diode should be connected between the CLR input and GND to prevent backflow of current.
  • To ensure data integrity, it's recommended to use a power-down or power-up sequence that slowly ramps up or down the voltage supply (VDD) to avoid data corruption. Additionally, using a voltage supervisor or a power-on reset (POR) circuit can help maintain data integrity during power transitions.
  • The maximum capacitance allowed on the clock (CLK) input is 100 pF. Exceeding this value may cause clock signal degradation and affect the device's performance.

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CD4021BMG4 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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