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SN74LS161AD

SN74LS161AD

Manufacturer No:

SN74LS161AD

Manufacturer:

onsemi

Description:

IC BINARY COUNTER 4-BIT 16SOIC

Datasheet:

Datasheet

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SN74LS161AD Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (0.154", 3.90mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    0°C ~ 70°C
  • Voltage - Supply
    4.75 V ~ 5.25 V
  • Trigger Type
    Positive Edge
  • Count Rate
    25 MHz
  • Timing
    Synchronous
  • Reset
    Asynchronous
  • Number of Bits per Element
    4
  • Number of Elements
    1
  • Direction
    Up
  • Logic Type
    Binary Counter
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    74LS
The SN74LS161AD is a synchronous 4-bit binary counter integrated circuit chip. It has several advantages and application scenarios:Advantages:1. Synchronous operation: The chip has a synchronous clock input, which allows all changing of states to occur simultaneously with the clock pulse. This ensures precise timing and eliminates any glitches that may occur with asynchronous counters.2. High-speed operation: The chip is designed to operate at high clock frequencies, enabling it to count at a rapid pace. This makes it suitable for applications where fast counting is required, such as in digital clocks or frequency dividers.3. Parallel/Latched outputs: The chip has 4 parallel output pins that can be latched to retain a given count value. This feature is useful when the count value needs to be held for a certain duration or when it needs to be transferred to other logic circuits.4. Asynchronous Reset: It has an asynchronous reset input that can reset the count to zero. This allows efficient starting or resetting of the counting operation.Application scenarios:1. Digital frequency dividers: The SN74LS161AD can be used as a frequency divider to divide an input clock signal by a specific factor. By connecting the output pins to logic gates, it is possible to obtain desired frequency divisions.2. Timer circuits: The chip can be used in timer circuits where precise time intervals are required. By adjusting the clock frequency and utilizing latched outputs, it becomes possible to generate accurate timing signals.3. Event counters: This chip can be used to count events occurring in real-time. For example, in industrial applications, it may be used to count the number of products passing through a conveyor belt or the number of revolutions of a rotating part.4. Binary encoded decimal (BCD) counters: By combining multiple SN74LS161AD chips, it is possible to build BCD counters. These counters can be used in applications that require decimal counting or to drive display devices like seven-segment displays.Overall, the SN74LS161AD chip with its synchronous operation, high-speed capabilities, and various application scenarios is well-suited for digital counting and timing applications in both consumer and industrial electronics.
SN74LS161AD Relevant information