Home / Counters, Dividers / SN74LS191DR/
SN74LS191DR

SN74LS191DR

Manufacturer No:

SN74LS191DR

Manufacturer:

Texas Instruments

Description:

IC BINARY COUNTER 4-BIT 16SOIC

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

SN74LS191DR 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
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    74LS
The SN74LS191DR is a 4-bit synchronous up/down binary counter integrated circuit chip. It has several advantages and application scenarios, including:1. Versatility: The SN74LS191DR can be used as both an up counter and a down counter, making it suitable for a wide range of applications.2. Synchronous operation: The chip operates synchronously, meaning that the counting action is synchronized with an external clock signal. This allows for precise control and timing in applications.3. Parallel load capability: The chip has a parallel load input that allows the counter to be loaded with a specific value. This feature is useful in applications where a specific count needs to be set initially.4. Cascading capability: Multiple SN74LS191DR chips can be cascaded together to create larger counters with more bits. This makes it suitable for applications that require counting beyond 4 bits.5. Output control: The chip provides control inputs for resetting the counter, enabling or disabling the count, and selecting the count direction. These features allow for flexible control and customization of the counting operation.Some application scenarios where the SN74LS191DR can be used include:1. Digital frequency division: The chip can be used to divide an input clock frequency by a specific factor, allowing for frequency division applications such as clock generation, frequency scaling, or timekeeping.2. Event counting: The chip can be used to count events or pulses in various applications, such as industrial automation, process control, or digital instrumentation.3. Sequential control: The chip can be used in sequential control circuits, where specific actions need to be triggered based on a specific count value. This can be useful in applications like traffic light control, vending machines, or elevator control.4. Data processing: The chip can be used in data processing applications where binary counting or sequencing is required, such as in digital arithmetic circuits, data encryption, or data compression.Overall, the SN74LS191DR integrated circuit chip offers versatility, precise control, and flexibility in various counting and sequencing applications.
SN74LS191DR Relevant information