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74AHC595D,118
Product Overview
Category
The 74AHC595D,118 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used for serial-in, parallel-out shift register applications.
Characteristics
- High-speed operation
- Wide supply voltage range
- Low power consumption
- Schmitt-trigger action on all inputs
- Balanced propagation delays
- Direct interface with TTL levels
- Multiple package options available
Package
The 74AHC595D,118 is available in a small outline package (SOT1115) and comes in reel packaging.
Essence
The essence of the 74AHC595D,118 lies in its ability to efficiently convert serial data into parallel output.
Packaging/Quantity
The IC is typically packaged in reels containing a specific quantity, which varies depending on the manufacturer's specifications.
Specifications
- Supply Voltage Range: 2 V to 6 V
- Input Voltage Range: -0.5 V to VCC + 0.5 V
- Output Voltage Range: -0.5 V to VCC + 0.5 V
- Operating Temperature Range: -40°C to +125°C
- Maximum Clock Frequency: 100 MHz
- Number of Outputs: 8
Detailed Pin Configuration
The 74AHC595D,118 has a total of 16 pins, each serving a specific function:
- SER (Serial Data Input)
- RCLK (Register Clock Input)
- SRCLK (Shift Register Clock Input)
- OE (Output Enable Input)
- GND (Ground)
- QH' (Serial Output)
- 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)
- QH (Parallel Output H)
- VCC (Supply Voltage)
- SRCLR (Shift Register Clear Input)
Functional Features
The 74AHC595D,118 offers the following functional features:
- Serial-to-parallel data conversion
- Parallel output expansion
- Cascading capability for multiple devices
- Schmitt-trigger action for noise immunity
- Direct compatibility with TTL logic levels
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data transfer
- Wide supply voltage range provides flexibility in various applications
- Low power consumption contributes to energy efficiency
- Schmitt-trigger action on all inputs enhances noise immunity
- Balanced propagation delays ensure reliable signal transmission
- Direct interface with TTL levels simplifies integration
Disadvantages
- Limited number of outputs (8) may restrict certain applications requiring more parallel outputs
- Lack of built-in protection features against overvoltage or electrostatic discharge (ESD)
Working Principles
The 74AHC595D,118 operates based on the principle of serial-in, parallel-out shift registers. It receives serial data through the SER pin and shifts it into an internal register upon each rising edge of the SRCLK input. The RCLK input is used to latch the data from the internal register onto the parallel output pins. The OE input enables or disables the outputs.
Detailed Application Field Plans
The 74AHC595D,118 finds applications in various fields, including but not limited to:
- LED matrix displays
- Seven-segment displays
- Multiplexed data transmission systems
- Data storage and retrieval systems
- Industrial automation control systems
- Robotics and mechatronics
- Digital signage
- Gaming devices
- Automotive electronics
- Home automation systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74AHC595D,118 include:
- SN74HC595N by Texas Instruments
- CD74HC595E by Texas Instruments
- MC74HC595AN by ON Semiconductor
- 74HC595D by NXP Semiconductors
- MM74HC595MTCX by Fairchild Semiconductor
These alternative models can be considered based on specific requirements and availability.
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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 74AHC595D,118 у технічних рішеннях
Sure! Here are 10 common questions and answers related to the application of 74AHC595D,118 in technical solutions:
Q: What is the 74AHC595D,118? A: The 74AHC595D,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 from a microcontroller.
Q: How does the 74AHC595D,118 work? A: The 74AHC595D,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 74AHC595D,118? A: The maximum clock frequency for the 74AHC595D,118 is typically around 100 MHz.
Q: Can I use multiple 74AHC595D,118 chips together? A: Yes, you can daisy-chain multiple 74AHC595D,118 chips together to expand the number of outputs even further.
Q: What voltage levels does the 74AHC595D,118 support? A: The 74AHC595D,118 supports a wide range of voltage levels, typically from 2V to 6V.
Q: How many outputs does the 74AHC595D,118 have? A: The 74AHC595D,118 has 8 outputs that can be individually controlled.
Q: Can I use the 74AHC595D,118 to drive LEDs? A: Yes, the 74AHC595D,118 can be used to drive LEDs by connecting the LED cathodes to ground and the anodes to the output pins.
Q: Can I use the 74AHC595D,118 with a microcontroller? A: Yes, the 74AHC595D,118 is commonly used with microcontrollers to expand the number of available outputs.
Q: How do I connect the 74AHC595D,118 to a microcontroller? A: The 74AHC595D,118 requires three control signals (clock, data, and latch) from the microcontroller, along with power and ground connections.
Q: Are there any limitations to using the 74AHC595D,118? A: One limitation is that the 74AHC595D,118 can only sink or source a limited amount of current per output pin. If you need to drive high-current loads, additional circuitry may be required.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.