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CD74HC173M - Texas Instruments

Description: Texas Instruments CD74HC173M, D Type Bus Interface Flip Flop, 3-State, 2 → 6 V, 16-Pin SOIC

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PCB Footprints
CD74HC173M - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
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CD74HC173M - Texas Instruments  - 3D model - Other - SOIC127P600X175-16N
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CD74HC173M Details

  • Manufacturer Part Number:

    CD74HC173M

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    WITH DUAL OUTPUT ENABLE

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.0078 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Characteristics:

    3-STATE

  • 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):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    60 ns

  • Propagation Delay (tpd):

    300 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    3.9 mm

CD74HC173M Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the CD74HC173M is 25 MHz, but it can vary depending on the operating voltage and temperature. It's recommended to check the timing diagrams and switching characteristics in the datasheet to ensure proper operation.
  • The asynchronous clear input (CLR) is an active-low input that resets the counter to zero when it's low. To use it, connect CLR to a logic low signal when you want to reset the counter. Make sure to synchronize the CLR signal with the clock signal to avoid metastability issues.
  • Texas Instruments recommends using a power-on reset (POR) circuit to ensure that the counter is properly reset during power-up. A simple POR circuit can be implemented using a resistor, capacitor, and diode connected to the VCC pin. The datasheet provides a recommended POR circuit diagram.
  • Yes, the CD74HC173M can be used as a synchronous counter. To do so, connect the clock input (CLK) to a clock signal, and the counter will increment or decrement synchronously with the clock signal. Make sure to meet the setup and hold time requirements for the clock signal.
  • To cascade multiple CD74HC173M counters, connect the carry output (CO) of one counter to the clock input (CLK) of the next counter. This allows the counters to count in sequence, enabling the creation of larger counters or more complex counting circuits.

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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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