Encyclopedia Entry: 74AHCT574PW,118
Product Overview
- Category: Integrated Circuit (IC)
- Use: Digital Logic Device
- Characteristics: High-Speed, Octal D-Type Flip-Flop with 3-State Outputs
- Package: TSSOP-20
- Essence: This IC is designed to store and transfer data in digital systems. It consists of eight D-type flip-flops with 3-state outputs.
- Packaging/Quantity: The 74AHCT574PW,118 is typically sold in reels containing 2,500 units.
Specifications
- Supply Voltage: 4.5V to 5.5V
- Logic Family: AHCT
- Number of Flip-Flops: 8
- Output Type: 3-State
- Operating Temperature Range: -40°C to +125°C
- Propagation Delay: 6 ns (max)
- Input Capacitance: 3 pF (typ)
- Output Capacitance: 15 pF (typ)
Pin Configuration
The 74AHCT574PW,118 IC has a TSSOP-20 package with the following pin configuration:
┌───┬───┐
Q0 ─┤1 20├─ VCC
Q1 ─┤2 19├─ GND
Q2 ─┤3 18├─ D7
Q3 ─┤4 17├─ D6
Q4 ─┤5 16├─ D5
Q5 ─┤6 15├─ D4
Q6 ─┤7 14├─ D3
Q7 ─┤8 13├─ D2
GND ─┤9 12├─ D1
OE ─┤10 11├─ D0
└─────┘
Functional Features
- The 74AHCT574PW,118 is a high-speed octal D-type flip-flop with 3-state outputs.
- It can store and transfer data in digital systems.
- The 3-state outputs allow for bus-oriented applications, enabling multiple devices to share the same data bus.
- The IC operates at a wide supply voltage range of 4.5V to 5.5V, making it compatible with various digital systems.
Advantages and Disadvantages
Advantages: - High-speed operation allows for efficient data transfer. - 3-state outputs enable bus sharing, reducing the number of required pins. - Wide supply voltage range enhances compatibility with different systems.
Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications. - TSSOP package may require careful handling during assembly.
Working Principles
The 74AHCT574PW,118 operates based on the principles of D-type flip-flops. Each flip-flop stores a single bit of data, which can be transferred to the output upon receiving a clock signal. The 3-state outputs allow the device to disconnect from the data bus when not in use, preventing conflicts with other devices connected to the same bus.
Application Field Plans
The 74AHCT574PW,118 finds applications in various digital systems, including: - Microcontrollers - Data storage devices - Communication equipment - Industrial automation systems
Alternative Models
- SN74AHCT574N by Texas Instruments
- MC74AHCT574DW by ON Semiconductor
- CD74AHCT574E by Texas Instruments
These alternative models offer similar functionality and can be used as substitutes for the 74AHCT574PW,118 in different applications.
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기술 솔루션에 74AHCT574PW,118 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of 74AHCT574PW,118 in technical solutions:
Q: What is the function of the 74AHCT574PW,118? A: The 74AHCT574PW,118 is an octal D-type flip-flop with a tri-state output. It can store and transfer data in digital circuits.
Q: What is the operating voltage range for the 74AHCT574PW,118? A: The operating voltage range for this IC is typically between 4.5V and 5.5V.
Q: How many flip-flops are there in the 74AHCT574PW,118? A: The 74AHCT574PW,118 consists of eight individual D-type flip-flops.
Q: What is the maximum clock frequency supported by the 74AHCT574PW,118? A: The maximum clock frequency supported by this IC is typically around 100 MHz.
Q: Can the outputs of the 74AHCT574PW,118 be disabled? A: Yes, the outputs of this IC can be disabled using the tri-state feature, which allows them to be effectively disconnected from the circuit.
Q: What is the input voltage threshold for the 74AHCT574PW,118? A: The input voltage threshold for this IC is typically around 2.0V.
Q: Does the 74AHCT574PW,118 have any built-in protection features? A: Yes, it has built-in diode clamps on all inputs to protect against electrostatic discharge (ESD) events.
Q: Can the 74AHCT574PW,118 be used in both parallel and serial data transfer applications? A: Yes, it can be used in both parallel and serial data transfer applications, depending on the circuit configuration.
Q: What is the power consumption of the 74AHCT574PW,118? A: The power consumption of this IC is typically low, making it suitable for battery-powered applications.
Q: Are there any specific layout considerations when using the 74AHCT574PW,118? A: Yes, it is recommended to follow proper PCB layout guidelines to minimize noise and ensure signal integrity, especially for high-frequency applications.
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74AHCT574PW,118.