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SN74ALS161BNSR - Texas Instruments

Description: Counter Single 4-Bit Sync Binary UP 16-Pin SOP T/R

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SN74ALS161BNSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G16)
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SN74ALS161BNSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G16)
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SN74ALS161BNSR Details

  • Manufacturer Part Number:

    SN74ALS161BNSR

  • 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:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    TCO OUTPUT

  • Count Direction:

    UP

  • Family:

    ALS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    40000000 Hz

  • Max I(ol):

    0.008 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    21 mA

  • Prop. Delay@Nom-Sup:

    20 ns

  • Propagation Delay (tpd):

    20 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    5.3 mm

  • fmax-Min:

    40 MHz

SN74ALS161BNSR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74ALS161BNSR is 40 MHz, but it can vary depending on the operating conditions and the load capacitance.
  • To ensure proper synchronization, the clock signal should be connected to the CLK input, and the clock frequency should be within the recommended range. Additionally, the clock signal should have a rise and fall time of less than 10 ns to prevent metastability.
  • The maximum input voltage that the SN74ALS161BNSR can tolerate is 7 V, but it is recommended to keep the input voltage within the recommended operating range of 4.5 V to 5.5 V to ensure reliable operation.
  • The asynchronous reset input (RST) should be connected to a pull-up resistor to ensure that it is not left floating. When the RST input is asserted, the counter will reset to zero, and the output will be cleared.
  • The power consumption of the SN74ALS161BNSR depends on the operating frequency and the load capacitance. Typically, the power consumption is around 20-30 mW at a frequency of 10 MHz, but it can vary depending on the specific application.

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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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