74HC595D,118
Product Overview
Category
The 74HC595D,118 belongs to the category of integrated circuits (ICs).
Use
This product is commonly used as a shift register with output latches. It is designed to expand the number of outputs available in microcontroller-based systems.
Characteristics
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Serial input and parallel output
- Cascadable for larger applications
Package
The 74HC595D,118 is available in a small outline package (SOP) with 16 pins.
Essence
The essence of this product lies in its ability to efficiently control multiple outputs using a minimal number of microcontroller pins.
Packaging/Quantity
The 74HC595D,118 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply Voltage: 2V to 6V
- Output Current: 35mA
- Operating Temperature Range: -40°C to +125°C
- Input Capacitance: 3.5pF
- Output Capacitance: 7pF
Detailed Pin Configuration
- SER (Serial Data Input)
- RCLK (Register Clock Input)
- SRCLK (Shift Register Clock Input)
- OE (Output Enable Input)
- QH' (Serial Output)
- QH (Serial Output)
- DS (Serial Data Output)
- VCC (Supply Voltage)
- GND (Ground)
- QA (Parallel Output A)
- QB (Parallel Output B)
- QC (Parallel Output C)
- QD (Parallel Output D)
- QE (Parallel Output E)
- QF (Parallel Output F)
- QG (Parallel Output G)
Functional Features
- Serial-to-parallel data conversion
- Latched outputs for stable operation
- Cascadable for larger applications
- Output enable control for power-saving mode
Advantages and Disadvantages
Advantages
- Efficient utilization of microcontroller pins
- High-speed operation
- Wide operating voltage range
- Low power consumption
Disadvantages
- Limited number of parallel outputs
- Requires additional components for cascading
Working Principles
The 74HC595D,118 operates by shifting in serial data through the SER pin. The shift register clock (SRCLK) input controls the shifting of data bits. Once all the data is shifted in, the register clock (RCLK) input latches the data to the output pins. The output enable (OE) input can be used to disable the outputs when not in use, reducing power consumption.
Detailed Application Field Plans
The 74HC595D,118 finds applications in various fields, including:
- LED matrix displays
- Seven-segment displays
- Multiplexed output control
- Data storage and retrieval systems
- Industrial automation
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74HC595D,118 include:
- SN74HC595N
- CD74HC595E
- M74HC595B1R
These alternatives can be considered based on specific requirements and availability.
Word count: 413 words
기술 솔루션에 74HC595D,118 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of 74HC595D,118 in technical solutions:
Q: What is the 74HC595D,118? A: The 74HC595D,118 is an 8-bit serial-in, serial or parallel-out shift register with output latches. It can be used to expand the number of outputs in a microcontroller-based system.
Q: How does the 74HC595D,118 work? A: The 74HC595D,118 receives data serially and shifts it into its internal registers. It then outputs the data in parallel to its output pins when a latch signal is received.
Q: What is the maximum clock frequency for the 74HC595D,118? A: The maximum clock frequency for the 74HC595D,118 is typically around 25 MHz.
Q: Can I daisy-chain multiple 74HC595D,118 chips together? A: Yes, you can daisy-chain multiple 74HC595D,118 chips together to expand the number of outputs even further.
Q: How many outputs can I control using a single 74HC595D,118 chip? A: With one 74HC595D,118 chip, you can control up to 8 outputs.
Q: Can I use the 74HC595D,118 to drive LEDs? A: Yes, the 74HC595D,118 can be used to drive LEDs by connecting them to the output pins and providing appropriate current-limiting resistors.
Q: Is the 74HC595D,118 compatible with 3.3V logic levels? A: No, the 74HC595D,118 is designed to work with 5V logic levels. If you want to use it with 3.3V logic, you may need level-shifting circuitry.
Q: Can I use the 74HC595D,118 in high-speed applications? A: The 74HC595D,118 is not specifically designed for high-speed applications, but it can still be used in moderate-speed scenarios.
Q: How do I control the 74HC595D,118 using a microcontroller? A: You can control the 74HC595D,118 by sending serial data and clock signals from the microcontroller, along with a latch signal to update the outputs.
Q: Are there any limitations to consider when using the 74HC595D,118? A: One limitation is that the 74HC595D,118 can only sink/source a limited amount of current per output pin. Additionally, it requires external components like resistors and capacitors for proper operation.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.