SN74LS165ANSR
Product Overview
Category
SN74LS165ANSR belongs to the category of integrated circuits (ICs).
Use
This product is commonly used for parallel-to-serial data conversion in various electronic applications.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Compact package size
- Easy integration into circuit designs
Package
SN74LS165ANSR is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of SN74LS165ANSR lies in its ability to efficiently convert parallel data inputs into a serial output stream.
Packaging/Quantity
This product is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.
Specifications
- Supply Voltage: 4.75V to 5.25V
- Operating Temperature Range: -40°C to +85°C
- Input Logic Levels: TTL compatible
- Output Logic Levels: TTL compatible
- Maximum Clock Frequency: 30 MHz
- Number of Inputs: 8
- Number of Outputs: 1
Detailed Pin Configuration
The pin configuration of SN74LS165ANSR is as follows:
+---+--+---+
D0 -|1 +--+ 16|- VCC
D1 -|2 15|- D7
D2 -|3 14|- GND
D3 -|4 13|- CLK
D4 -|5 12|- QH
D5 -|6 11|- SER
D6 -|7 10|- CLR
GND -|8 9|- QH'
+----------+
Functional Features
- Parallel-to-serial data conversion
- Shift register operation
- Asynchronous clear function
- Serial data input (SER)
- Serial data output (QH)
- Cascadable for larger data widths
Advantages and Disadvantages
Advantages
- High-speed operation enables efficient data transfer.
- Low power consumption makes it suitable for battery-powered devices.
- Wide operating voltage range allows compatibility with various systems.
- Compact package size facilitates integration into space-constrained designs.
Disadvantages
- Limited number of inputs and outputs restricts its application in complex systems.
- Sensitive to noise due to TTL logic levels.
Working Principles
SN74LS165ANSR operates based on the principle of parallel-to-serial data conversion. It receives parallel data inputs (D0-D7) and converts them into a serial output stream (QH). The conversion is controlled by a clock signal (CLK), which determines the timing of the shift register operation. The asynchronous clear function (CLR) resets the register to its initial state. The cascading capability allows multiple SN74LS165ANSR devices to be connected together, enabling larger data widths.
Detailed Application Field Plans
SN74LS165ANSR finds applications in various fields, including:
- Data communication systems
- Industrial automation
- Consumer electronics
- Automotive electronics
- Robotics
- Instrumentation and measurement equipment
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to SN74LS165ANSR are:
- CD4021B: 8-bit parallel-in/serial-out shift register
- 74HC165: 8-bit parallel-in/serial-out shift register
- CD74HC165E: High-speed CMOS logic 8-bit parallel-in/serial-out shift register
These alternative models can be considered based on specific requirements and compatibility with existing designs.
Word count: 511 words
기술 솔루션에 SN74LS165ANSR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of SN74LS165ANSR in technical solutions:
Q: What is SN74LS165ANSR? A: SN74LS165ANSR is a 8-bit parallel-in/serial-out shift register IC (integrated circuit) commonly used in digital electronics.
Q: What is the purpose of using SN74LS165ANSR? A: SN74LS165ANSR is used to convert parallel data inputs into serial data output, making it useful for applications such as data acquisition, input/output expansion, and serial communication.
Q: How many parallel inputs does SN74LS165ANSR have? A: SN74LS165ANSR has 8 parallel inputs, labeled D0 to D7.
Q: Can I cascade multiple SN74LS165ANSR ICs together? A: Yes, you can cascade multiple SN74LS165ANSR ICs to expand the number of parallel inputs by connecting the serial output of one IC to the serial input of another.
Q: What is the clock input in SN74LS165ANSR used for? A: The clock input (CLK) is used to synchronize the shifting of data from the parallel inputs to the serial output.
Q: What is the purpose of the parallel load input (PL) in SN74LS165ANSR? A: The parallel load input allows you to directly load data from the parallel inputs into the shift register without shifting.
Q: What is the serial output (QH) used for in SN74LS165ANSR? A: The serial output provides the shifted data in a serial format, which can be connected to other devices or microcontrollers.
Q: What is the maximum clock frequency supported by SN74LS165ANSR? A: The maximum clock frequency supported by SN74LS165ANSR is typically around 25 MHz.
Q: Can I use SN74LS165ANSR with both TTL and CMOS logic levels? A: Yes, SN74LS165ANSR is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.
Q: Are there any specific precautions to consider when using SN74LS165ANSR? A: It is important to ensure that the power supply voltage and ground connections are properly connected, and to avoid exceeding the maximum ratings specified in the datasheet to prevent damage to the IC.