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SN74HC166DRE4 - Texas Instruments

Description: Counter Shift Registers 8-Bit Parallel-Load Shift Register

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SN74HC166DRE4 Details

  • Manufacturer Part Number:

    SN74HC166DRE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    SISO OPERATION ALSO AVAILABLE

  • Count Direction:

    RIGHT

  • 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:

    PARALLEL IN SERIAL OUT

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.0052 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °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:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    32 ns

  • Propagation Delay (tpd):

    190 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

  • fmax-Min:

    24 MHz

SN74HC166DRE4 Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the SN74HC166DRE4 is 30 MHz, but this can vary depending on the specific application and operating conditions. It's recommended to check the timing diagrams and clock frequency limitations in the datasheet to ensure proper operation.
  • To ensure proper initialization, it's recommended to tie the CLR (clear) input low during power-up to reset the shift register. Additionally, the clock input should be held low until the power supply has stabilized to prevent unwanted clocking of the device.
  • The SN74HC166DRE4 is a CMOS device that operates from 2V to 6V, making it suitable for use in 5V systems. However, it's essential to ensure that the input and output voltage levels are within the recommended operating range to prevent damage or malfunction.
  • The CLR input is an asynchronous active-low input that resets the shift register when pulled low. To use this input effectively, ensure that it's properly debounced and synchronized with the clock signal to prevent unwanted clearing of the shift register.
  • The maximum capacitive load that can be driven by the output pins of the SN74HC166DRE4 is 50 pF. Exceeding this limit can cause output signal degradation or even device malfunction.

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SN74HC166DRE4 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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For a full list of alternate parts for SN74HC166DRE4, check out Findchips.com