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SN74LS191D

SN74LS191D

Manufacturer No:

SN74LS191D

Manufacturer:

Texas Instruments

Description:

IC BINARY COUNTER 4-BIT 16SOIC

Datasheet:

Datasheet

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SN74LS191D 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
    -
  • Number of Bits per Element
    4
  • Number of Elements
    1
  • Direction
    Up, Down
  • Logic Type
    Binary Counter
  • Packaging
    Tube
  • Product Status
    Last Time Buy
  • Series
    74LS
The SN74LS191D is a synchronous, reversible, up/down counter integrated circuit chip. It has several advantages and application scenarios, including:1. Versatility: The SN74LS191D can be used as a binary counter, decade counter, or a BCD counter. It can count up or down based on the input signals, making it suitable for a wide range of applications.2. Synchronous operation: The chip operates synchronously, meaning that the counting action is synchronized with a clock signal. This ensures accurate and reliable counting, making it suitable for applications where precise timing is required.3. Reversible counting: The SN74LS191D can count both up and down, depending on the input signals. This feature is useful in applications where bidirectional counting is required, such as in digital clocks, timers, or industrial control systems.4. Parallel load capability: The chip has a parallel load input that allows the user to load a specific count value directly into the counter. This feature is useful in applications where a predetermined count value needs to be set, such as in presettable counters or digital frequency dividers.5. Cascadable: Multiple SN74LS191D chips can be cascaded together to create larger counters with a higher number of bits. This allows for counting larger values or implementing more complex counting sequences.Some application scenarios where the SN74LS191D can be used include:1. Digital clocks and timers: The chip can be used to implement the counting functionality in digital clocks, timers, or stopwatches. Its reversible counting capability allows for both up and down counting, making it suitable for various timing applications.2. Industrial control systems: The chip can be used in industrial control systems where counting and sequencing operations are required. It can be used to count pulses, monitor events, or control the operation of machinery or processes.3. Frequency division: The SN74LS191D can be used as a frequency divider to divide the input clock frequency by a specific factor. This is useful in applications where a lower frequency signal is required, such as in digital frequency synthesizers or frequency dividers.4. Data processing: The chip can be used in data processing applications where counting or sequencing operations are required. It can be used to implement address generation, data sequencing, or data manipulation in digital systems.Overall, the SN74LS191D integrated circuit chip offers versatility, synchronous operation, reversible counting, and parallel load capability, making it suitable for a wide range of applications in various industries.
SN74LS191D Relevant information