CD74HCT194E
Product Overview
Category
CD74HCT194E belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in digital electronics for various applications such as data storage, shift registers, and counter circuits.
Characteristics
- High-speed operation
- Compatibility with TTL (Transistor-Transistor Logic) inputs
- Wide operating voltage range
- Low power consumption
Package
The CD74HCT194E is available in a 16-pin dual in-line package (DIP).
Essence
The essence of CD74HCT194E lies in its ability to store and manipulate digital data efficiently.
Packaging/Quantity
The CD74HCT194E is typically packaged in reels or tubes, containing a quantity of 25 or 50 units per package.
Specifications
- Supply Voltage: 2V to 6V
- Operating Temperature Range: -40°C to 85°C
- Maximum Clock Frequency: 25 MHz
- Number of Stages: 4
- Output Current: ±4 mA
Detailed Pin Configuration
- Q0 (Output)
- Q1 (Output)
- Q2 (Output)
- Q3 (Output)
- MR (Master Reset)
- CP (Clock Pulse)
- DS (Serial Data Input)
- SH/LD (Shift/Load)
- GND (Ground)
- Q3' (Complement of Q3)
- Q2' (Complement of Q2)
- Q1' (Complement of Q1)
- Q0' (Complement of Q0)
- VCC (Supply Voltage)
- QA (Parallel Output A)
- QB (Parallel Output B)
Functional Features
- Parallel and serial data input options
- Shift and load modes for flexible data manipulation
- Master reset functionality to clear the register
- Complementary outputs for each stage
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data processing.
- Compatibility with TTL inputs enables easy integration into existing systems.
- Wide operating voltage range provides flexibility in various applications.
- Low power consumption contributes to energy efficiency.
Disadvantages
- Limited number of stages (4) may restrict certain complex applications.
- Lack of built-in error detection or correction mechanisms.
Working Principles
The CD74HCT194E is a 4-bit bidirectional universal shift register. It can store and manipulate digital data using parallel or serial input modes. The clock pulse controls the shifting of data within the register. The shift/load input determines whether the data is shifted or loaded into the register. The master reset input clears the register, setting all outputs to a low state.
Detailed Application Field Plans
CD74HCT194E finds applications in various fields, including: 1. Digital communication systems 2. Data storage devices 3. Industrial automation 4. Robotics 5. Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to CD74HCT194E are: 1. SN74HC194N 2. MC74HC194AN 3. 74HCT194D 4. CD4014BE
These alternatives offer similar functionalities and can be used as replacements based on specific requirements.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi CD74HCT194E dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of CD74HCT194E in technical solutions:
Q: What is CD74HCT194E? A: CD74HCT194E is a high-speed CMOS logic device, specifically a 4-bit bidirectional universal shift register with parallel inputs and outputs.
Q: What are the key features of CD74HCT194E? A: The key features include asynchronous parallel load capability, bidirectional serial data transfer, synchronous parallel data transfer, and cascading capability.
Q: How can CD74HCT194E be used in technical solutions? A: CD74HCT194E can be used for various applications such as data storage, data manipulation, serial-to-parallel conversion, parallel-to-serial conversion, and shift register operations.
Q: What is the maximum clock frequency supported by CD74HCT194E? A: CD74HCT194E supports a maximum clock frequency of 25 MHz.
Q: What is the power supply voltage range for CD74HCT194E? A: The power supply voltage range for CD74HCT194E is typically between 4.5V and 5.5V.
Q: Can CD74HCT194E operate at higher voltages? A: No, CD74HCT194E is not designed to operate at voltages higher than its specified range.
Q: Does CD74HCT194E have any built-in protection features? A: Yes, CD74HCT194E has built-in input diodes that provide protection against electrostatic discharge (ESD).
Q: Can CD74HCT194E be cascaded to increase the number of bits? A: Yes, CD74HCT194E can be cascaded to increase the number of bits by connecting the serial output of one device to the serial input of another.
Q: What is the typical propagation delay of CD74HCT194E? A: The typical propagation delay of CD74HCT194E is around 15 ns.
Q: Are there any specific precautions to consider when using CD74HCT194E? A: It is important to ensure proper decoupling and bypass capacitors are used near the power supply pins to minimize noise and voltage fluctuations. Additionally, care should be taken to avoid exceeding the maximum ratings specified in the datasheet.
Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the datasheet and consult with a technical expert for accurate information.