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SN74HC161N - Texas Instruments

Description: SYNCHRONOUS 4-BIT BINARY COUNTERS

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SN74HC161N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - pdip 16 pin
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SN74HC161N Details

  • Manufacturer Part Number:

    SN74HC161N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • 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:

    RCO OUTPUT

  • Count Direction:

    UP

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.0052 A

  • Mode of Operation:

    SYNCHRONOUS

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • 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):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    46 ns

  • Propagation Delay (tpd):

    255 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    29 MHz

SN74HC161N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74HC161N is 25 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
  • To ensure proper reset, connect the MR (Master Reset) pin to a 10 kΩ pull-up resistor to VCC, and then connect it to a reset signal or a power-on reset circuit. This ensures that the counter is reset to zero after power-up.
  • The maximum input voltage that the SN74HC161N can tolerate is 6.5V, which is the absolute maximum rating. However, it's recommended to operate the device within the recommended operating conditions of 2V to 6V.
  • Yes, the SN74HC161N can be used as a modulo-N counter by connecting the Q4 output to the CLR (Clear) input, and then connecting the desired count value to the CLR input. This allows the counter to reset to zero when it reaches the desired count.
  • To cascade multiple SN74HC161N counters, connect the Q4 output of the first counter to the CLK (Clock) input of the second counter, and so on. This allows the counters to count in sequence, enabling the creation of a larger counter.

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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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