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SN74HC374N
Product Overview
- Category: Integrated Circuit (IC)
- Use: Flip-Flop
- Characteristics: High-speed, Octal D-type transparent latch
- Package: DIP (Dual In-line Package)
- Essence: Digital Logic IC
- Packaging/Quantity: Tube packaging, 25 pieces per tube
Specifications
- Supply Voltage: 2V to 6V
- Input Voltage: 0V to VCC
- Output Voltage: 0V to VCC
- Operating Temperature: -40°C to +85°C
- Propagation Delay Time: 15ns (typical)
- Output Current: ±6mA
Detailed Pin Configuration
The SN74HC374N has a total of 20 pins. The pin configuration is as follows:
- GND (Ground)
- D0 (Data Input 0)
- D1 (Data Input 1)
- D2 (Data Input 2)
- D3 (Data Input 3)
- D4 (Data Input 4)
- D5 (Data Input 5)
- D6 (Data Input 6)
- D7 (Data Input 7)
- OE (Output Enable)
- CP (Clock Pulse)
- MR (Master Reset)
- Q0 (Output 0)
- Q1 (Output 1)
- Q2 (Output 2)
- Q3 (Output 3)
- Q4 (Output 4)
- Q5 (Output 5)
- Q6 (Output 6)
- Q7 (Output 7)
Functional Features
The SN74HC374N is an octal D-type transparent latch with 3-state outputs. It is designed to store and transfer data in digital systems. The latch is transparent when the Output Enable (OE) pin is high, allowing the input data to pass through to the outputs. When the OE pin is low, the latch holds the last data value.
Advantages and Disadvantages
Advantages: - High-speed operation - 3-state outputs for bus-oriented applications - Wide operating voltage range - Easy to use and integrate into digital circuits
Disadvantages: - Limited output current capacity - Not suitable for high-power applications
Working Principles
The SN74HC374N operates based on the principles of digital logic. When the clock pulse (CP) is triggered, the latch captures the data present at the inputs (D0-D7) and stores it in its internal memory. The stored data is then available at the outputs (Q0-Q7). The Output Enable (OE) pin controls whether the outputs are active or in a high-impedance state.
Detailed Application Field Plans
The SN74HC374N is widely used in various digital systems and applications, including:
- Microcontrollers and microprocessors
- Data storage and retrieval systems
- Communication devices
- Industrial automation
- Automotive electronics
- Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as replacements for the SN74HC374N are:
- CD74HC374E by Texas Instruments
- MC74HC374AN by ON Semiconductor
- 74HCT374 by NXP Semiconductors
- DM74LS374N by Fairchild Semiconductor
- SN54HC374J by Texas Instruments
These alternatives offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74HC374N trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of SN74HC374N:
Q: What is SN74HC374N? A: SN74HC374N is a type of integrated circuit (IC) commonly used as an octal D-type flip-flop with three-state outputs.
Q: What is the purpose of SN74HC374N? A: SN74HC374N is used for storing and transferring data in digital systems. It can be used for various applications such as data storage, address decoding, and bus interfacing.
Q: What is the voltage range supported by SN74HC374N? A: SN74HC374N supports a voltage range of 2V to 6V, making it compatible with both 3.3V and 5V systems.
Q: How many flip-flops are there in SN74HC374N? A: SN74HC374N consists of eight individual D-type flip-flops, making it an octal flip-flop.
Q: What is the maximum clock frequency supported by SN74HC374N? A: SN74HC374N can operate at a maximum clock frequency of 25 MHz, allowing for high-speed data transfer.
Q: Can SN74HC374N be cascaded to increase the number of flip-flops? A: Yes, multiple SN74HC374N ICs can be cascaded together to increase the number of flip-flops and achieve larger data storage capabilities.
Q: Does SN74HC374N have three-state outputs? A: Yes, SN74HC374N has three-state outputs, which means that the outputs can be in a high-impedance state when not actively driving the bus.
Q: What is the power supply voltage required for SN74HC374N? A: SN74HC374N requires a power supply voltage of 2V to 6V, typically supplied by a regulated DC power source.
Q: Can SN74HC374N be used in both synchronous and asynchronous applications? A: Yes, SN74HC374N can be used in both synchronous and asynchronous applications, depending on the clock input configuration.
Q: Are there any specific precautions to consider when using SN74HC374N? A: It is important to ensure that the power supply voltage does not exceed the specified range, and to avoid exceeding the maximum ratings for input voltage and current. Additionally, proper decoupling capacitors should be used to minimize noise and stabilize the power supply.