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SN74LS166AN - Texas Instruments

Description: Serial-out shift registers

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SN74LS166AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)--
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SN74LS166AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)--
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SN74LS166AN Details

  • Manufacturer Part Number:

    SN74LS166AN

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    CLOCK INHIBIT

  • Count Direction:

    RIGHT

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    PARALLEL IN SERIAL OUT

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.008 A

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    32 mA

  • Prop. Delay@Nom-Sup:

    25 ns

  • Propagation Delay (tpd):

    25 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    25 MHz

SN74LS166AN Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS166AN is 2 MHz, but it can be operated at higher frequencies with proper signal conditioning and layout.
  • To ensure reliable operation in a noisy environment, use decoupling capacitors, bypass capacitors, and shielding to minimize electromagnetic interference (EMI) and radio-frequency interference (RFI).
  • The recommended power-on sequence is to apply power to the VCC pin first, followed by the clock signal, and then the data inputs. This ensures that the device is properly initialized and minimizes the risk of latch-up or damage.
  • The SN74LS166AN is a 5V device, but it can be used in a 3.3V system with proper level shifting and voltage translation. However, this may require additional circuitry and may affect the device's performance.
  • To troubleshoot issues with the SN74LS166AN, use a logic analyzer or oscilloscope to monitor the clock, data, and output signals. Check for proper power supply, clock frequency, and signal integrity. Consult the datasheet and application notes for guidance on troubleshooting common issues.

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SN74LS166AN 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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