Bild kan vara representation.
Se specifikationer för produktinformation.
SN74HC193D

SN74HC193D

Product Overview

Category

SN74HC193D belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a synchronous, presettable, 4-bit binary up/down counter.

Characteristics

  • Synchronous operation
  • Presettable for programmable operation
  • Cascadable for larger word sizes
  • Outputs can drive up to 10 LSTTL loads
  • Low power consumption
  • Wide operating voltage range: 2V to 6V
  • High-speed operation: 74HC series

Package

SN74HC193D is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74HC193D lies in its ability to count up or down based on the input signals and preset values, making it suitable for various applications requiring counting functionality.

Packaging/Quantity

SN74HC193D is typically packaged in reels or tubes, with each reel containing 2500 units or each tube containing 50 units.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 25 MHz
  • Maximum Counting Range: 0 to 15 (4-bit binary)

Detailed Pin Configuration

  1. CP (Clock Pulse): Input pin for clock signal.
  2. MR (Master Reset): Input pin for resetting the counter.
  3. P0 (Preset 0): Input pin for least significant bit preset value.
  4. P1 (Preset 1): Input pin for second least significant bit preset value.
  5. P2 (Preset 2): Input pin for third least significant bit preset value.
  6. P3 (Preset 3): Input pin for most significant bit preset value.
  7. UP/DOWN: Input pin for selecting count direction (up or down).
  8. GND (Ground): Ground reference pin.
  9. Q0 (Output 0): Least significant bit output.
  10. Q1 (Output 1): Second least significant bit output.
  11. Q2 (Output 2): Third least significant bit output.
  12. Q3 (Output 3): Most significant bit output.
  13. RC (Ripple Carry): Output pin for cascading multiple counters.
  14. CET (Count Enable Parallel Load Enable): Input pin for enabling parallel loading of preset values.
  15. CET (Count Enable Parallel Load Enable): Input pin for enabling parallel loading of preset values.
  16. VCC (Supply Voltage): Positive supply voltage pin.

Functional Features

  • Synchronous operation ensures accurate counting based on clock signals.
  • Presettable feature allows the counter to start from a specific value.
  • Cascadable design enables the combination of multiple counters for larger word sizes.
  • High-speed operation makes it suitable for time-critical applications.
  • Low power consumption helps in energy-efficient designs.
  • Wide operating voltage range provides flexibility in various voltage environments.

Advantages and Disadvantages

Advantages

  • Accurate and reliable counting functionality.
  • Programmable operation with preset values.
  • Compatibility with various logic families.
  • Easy integration into digital circuits.
  • Suitable for both up and down counting.

Disadvantages

  • Limited counting range (4-bit binary).
  • Requires external components for complex applications.
  • Not suitable for high-frequency applications.

Working Principles

SN74HC193D operates based on synchronous counting principles. The clock pulse input (CP) triggers the counter to increment or decrement its current value based on the selected count direction (UP/DOWN). The preset inputs (P0-P3) allow the counter to start from a specific value. The outputs (Q0-Q3) represent the current count value, and the ripple carry output (RC) enables cascading multiple counters for larger word sizes.

Detailed Application Field Plans

SN74HC193D finds applications in various fields where counting functionality is required. Some of the detailed application field plans include:

  1. Digital frequency dividers
  2. Industrial automation systems
  3. Electronic voting machines
  4. Traffic light control systems
  5. Event timing and sequencing circuits
  6. Programmable logic controllers (PLCs)
  7. Digital clocks and timers
  8. Robotics and motion control systems
  9. Data communication equipment
  10. Scientific research and experimentation

Detailed and Complete Alternative Models

  1. CD40193BE: 4-bit synchronous up/down counter with preset.
  2. MC74HC193N: High-speed CMOS 4-bit binary up/down counter.
  3. SN54HC193J: Synchronous 4-bit binary up/down counter with asynchronous clear.
  4. CD74HC193E: High-speed CMOS 4-bit binary up/down counter.
  5. DM74LS

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74HC193D i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74HC193D in technical solutions:

  1. Q: What is SN74HC193D? A: SN74HC193D is a 4-bit synchronous binary up/down counter IC (integrated circuit) that can be used in various technical applications.

  2. Q: What is the operating voltage range for SN74HC193D? A: The operating voltage range for SN74HC193D is typically between 2V and 6V.

  3. Q: Can SN74HC193D be used as a frequency divider? A: Yes, SN74HC193D can be used as a frequency divider by connecting the appropriate clock signal and configuring the control inputs.

  4. Q: How many outputs does SN74HC193D have? A: SN74HC193D has four outputs, each representing a different bit of the counter value.

  5. Q: Is SN74HC193D capable of counting both up and down? A: Yes, SN74HC193D can count both up and down based on the state of the control inputs.

  6. Q: What is the maximum clock frequency for SN74HC193D? A: The maximum clock frequency for SN74HC193D is typically around 25 MHz.

  7. Q: Can SN74HC193D be cascaded to create larger counters? A: Yes, multiple SN74HC193D ICs can be cascaded together to create larger counters with more bits.

  8. Q: Does SN74HC193D have any built-in error detection or correction features? A: No, SN74HC193D does not have any built-in error detection or correction features. It simply counts based on the clock and control inputs.

  9. Q: Can SN74HC193D be used in both digital and analog applications? A: SN74HC193D is primarily designed for digital applications, but it can also be used in some analog applications where counting or division of signals is required.

  10. Q: Are there any specific precautions to consider when using SN74HC193D? A: It is important to ensure that the power supply voltage does not exceed the specified range, and to follow the recommended operating conditions provided in the datasheet. Additionally, proper decoupling capacitors should be used to minimize noise and stabilize the power supply.