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Encyclopedia Entry: 74VHC164M
Product Overview
Category
The 74VHC164M belongs to the category of integrated circuits (ICs), specifically a shift register.
Use
This IC is commonly used in digital electronics for serial-to-parallel data conversion and data storage applications.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Compatibility with both TTL and CMOS logic levels
Package
The 74VHC164M is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of the 74VHC164M lies in its ability to efficiently convert serial data into parallel data, making it an essential component in various digital systems.
Packaging/Quantity
The 74VHC164M is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Supply Voltage Range: 2.0V to 5.5V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Maximum Clock Frequency: 100 MHz
- Number of Shift Register Stages: 8
Detailed Pin Configuration
The 74VHC164M has a total of 14 pins, each serving a specific function:
- GND: Ground reference
- QH' (Pin 1): Serial output
- SER (Pin 2): Serial input
- QA (Pin 3): Parallel output A
- QB (Pin 4): Parallel output B
- QC (Pin 5): Parallel output C
- QD (Pin 6): Parallel output D
- QE (Pin 7): Parallel output E
- QF (Pin 8): Parallel output F
- QG (Pin 9): Parallel output G
- QH (Pin 10): Parallel output H
- MR (Pin 11): Master reset input
- CP (Pin 12): Clock pulse input
- VCC: Positive supply voltage
Functional Features
The 74VHC164M offers the following functional features:
- Serial-to-parallel data conversion
- High-speed operation for efficient data transfer
- Compatibility with various logic levels
- Easy integration into digital systems
- Low power consumption for energy efficiency
Advantages and Disadvantages
Advantages
- High-speed operation enables quick data processing
- Wide operating voltage range allows compatibility with different systems
- Low power consumption reduces energy usage
- Compact SOIC package facilitates space-saving designs
Disadvantages
- Limited number of shift register stages (8 in this case)
- May require additional components for specific applications
Working Principles
The 74VHC164M operates based on the principle of shifting data bits through its internal registers. The serial input (SER) receives the data, which is then shifted through each stage upon receiving a clock pulse (CP). The parallel outputs (QA to QH) store the data in parallel form, ready for further processing.
Detailed Application Field Plans
The 74VHC164M finds applications in various fields, including:
- Communication Systems: Used for data transmission and reception.
- Display Systems: Enables control of multiple display segments.
- Industrial Automation: Facilitates data storage and manipulation in automated systems.
- Automotive Electronics: Utilized in vehicle control units for data processing.
- Consumer Electronics: Integrated into devices requiring serial-to-parallel data conversion.
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74VHC164M include:
- 74HC164: A compatible CMOS version with a similar pin configuration.
- CD4015: A dual 4-stage static shift register IC.
- SN74LS164: A TTL logic level shift register with parallel outputs.
These alternative models can be considered based on specific project requirements and compatibility with existing systems.
In conclusion, the 74VHC164M is a versatile shift register IC that offers high-speed operation, low power consumption, and compatibility with various logic levels. Its ability to convert serial data into parallel data makes it an essential component in digital systems across multiple industries.
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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του 74VHC164M σε τεχνικές λύσεις
Sure! Here are 10 common questions and answers related to the application of 74VHC164M in technical solutions:
Q: What is the 74VHC164M? A: The 74VHC164M is a 8-bit serial-in, parallel-out shift register IC (integrated circuit) that can be used for various digital applications.
Q: What is the operating voltage range of the 74VHC164M? A: The 74VHC164M operates within a voltage range of 2.0V to 5.5V.
Q: How many inputs does the 74VHC164M have? A: The 74VHC164M has a single serial input pin (SER) and eight parallel data input pins (D0-D7).
Q: Can the 74VHC164M be cascaded to increase the number of outputs? A: Yes, multiple 74VHC164M ICs can be cascaded together to increase the number of outputs.
Q: What is the maximum clock frequency supported by the 74VHC164M? A: The 74VHC164M can support clock frequencies up to 200 MHz.
Q: Does the 74VHC164M have any built-in output latches? A: No, the 74VHC164M does not have any built-in output latches. The outputs directly reflect the state of the internal shift register.
Q: Can the 74VHC164M be used for both serial-to-parallel and parallel-to-serial conversion? A: Yes, the 74VHC164M can be used for both serial-to-parallel and parallel-to-serial conversion depending on the application.
Q: What is the power supply current consumption of the 74VHC164M? A: The power supply current consumption of the 74VHC164M varies depending on the operating conditions, but it typically ranges from a few microamps to a few milliamps.
Q: Does the 74VHC164M have any special features for reducing power consumption? A: Yes, the 74VHC164M has a power-down mode that can be used to reduce power consumption when the device is not in use.
Q: Can the 74VHC164M be used in both digital and analog applications? A: No, the 74VHC164M is specifically designed for digital applications and should not be used in analog circuits.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.