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DM74LS191MX

DM74LS191MX

Manufacturer No:

DM74LS191MX

Manufacturer:

Fairchild Semiconductor

Description:

IC BINARY COUNTER 4-BIT 16SOIC

Datasheet:

Datasheet

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DM74LS191MX 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 (TA)
  • Voltage - Supply
    4.75 V ~ 5.25 V
  • Trigger Type
    Positive Edge
  • Count Rate
    20 MHz
  • Timing
    Synchronous
  • Reset
    Synchronous
  • Number of Bits per Element
    4
  • Number of Elements
    1
  • Direction
    Up, Down
  • Logic Type
    Binary Counter
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    74LS
The DM74LS191MX is a 4-bit synchronous up/down binary counter integrated circuit chip. It has several advantages and application scenarios, including:Advantages: 1. Versatility: The DM74LS191MX 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 ensures accurate and reliable counting. 3. Parallel load capability: The chip has a parallel load feature, allowing the user to load a specific count value directly into the counter. 4. Cascadable: Multiple DM74LS191MX chips can be cascaded together to create larger counters with more bits. 5. Low power consumption: The chip is designed to operate with low power consumption, making it suitable for battery-powered applications.Application scenarios: 1. Digital frequency division: The DM74LS191MX can be used to divide an input clock frequency by a specific factor. This is useful in applications such as frequency synthesizers, digital clocks, and timers. 2. Event counting: The chip can be used to count events or pulses in various applications, such as traffic monitoring systems, industrial automation, and digital meters. 3. Sequence generation: The DM74LS191MX can be used to generate specific sequences of binary numbers. This is useful in applications such as address generation for memory devices, pattern generation for testing purposes, and sequence control in digital systems. 4. Arithmetic operations: The chip can be used in arithmetic circuits to perform addition or subtraction operations. By combining multiple DM74LS191MX chips, larger binary numbers can be added or subtracted. 5. Control and synchronization: The chip can be used in control and synchronization circuits to sequence or time various operations in digital systems, such as microprocessors, microcontrollers, and communication systems.Overall, the DM74LS191MX integrated circuit chip offers versatility, reliability, and low power consumption, making it suitable for a wide range of digital counting and control applications.
DM74LS191MX Relevant information