Xem thông số kỹ thuật để biết chi tiết sản phẩm.
SN74HCT623N
Product Overview
Category
SN74HCT623N belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used as an octal bus transceiver with 3-state outputs.
Characteristics
- High-speed CMOS technology
- 8-bit bidirectional data flow
- 3-state outputs for bus-oriented applications
- Schmitt-trigger action on all inputs
- Balanced propagation delays
- Wide operating voltage range: 4.5V to 5.5V
- Low power consumption
- Available in various package options
Package and Quantity
SN74HCT623N is typically available in a 20-pin DIP (Dual In-line Package) format. It is commonly sold in quantities of 25 or more.
Specifications
Electrical Characteristics
- Supply voltage range: 4.5V to 5.5V
- Input voltage range: 0V to VCC
- Output voltage range: 0V to VCC
- Operating temperature range: -40°C to +85°C
- Maximum input current: ±1μA
- Maximum output current: ±6mA
Pin Configuration
The detailed pin configuration of SN74HCT623N is as follows:
+---+--+---+
OE1 |1 +--+ 20| VCC
A1 |2 19| B1
A2 |3 18| B2
A3 |4 17| B3
A4 |5 16| B4
A5 |6 15| B5
A6 |7 14| B6
A7 |8 13| B7
GND |9 12| B8
OE2 |10 11| A8
+----------+
Functional Features
- Bidirectional data transfer between two buses
- Output enable control for tristate operation
- Schmitt-trigger inputs for noise immunity
- Balanced propagation delays for improved performance
Advantages
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Noise-immune inputs
- Tristate outputs for bus-oriented applications
Disadvantages
- Limited number of input/output pins (8-bit)
Working Principles
SN74HCT623N operates by allowing bidirectional data flow between two buses. The direction of data transfer is controlled by the output enable (OE) pins. When the OE pins are active, data can be transmitted in both directions. The Schmitt-trigger inputs ensure reliable operation even in the presence of noise.
Application Field Plans
SN74HCT623N finds extensive use in various applications, including: 1. Data communication systems 2. Microcontroller interfacing 3. Memory address decoding 4. Bus-oriented systems 5. Industrial automation
Alternative Models
There are several alternative models available that offer similar functionality to SN74HCT623N. Some popular alternatives include: - 74HC623 - CD74HCT623E - MC74HCT623N - SN54HCT623FK
These alternative models can be considered based on specific requirements and availability.
In conclusion, SN74HCT623N is a versatile octal bus transceiver IC with 3-state outputs. Its high-speed operation, wide voltage range, and low power consumption make it suitable for various applications in the field of digital electronics.
Word count: 410
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74HCT623N trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of SN74HCT623N:
Q: What is SN74HCT623N? A: SN74HCT623N is a 8-bit bus transceiver with 3-state outputs, commonly used in digital systems for bidirectional data transfer.
Q: What is the voltage range supported by SN74HCT623N? A: SN74HCT623N supports a voltage range of 4.5V to 5.5V.
Q: Can SN74HCT623N be used for level shifting between different voltage domains? A: Yes, SN74HCT623N can be used for level shifting as it is compatible with both TTL and CMOS logic families.
Q: How many inputs and outputs does SN74HCT623N have? A: SN74HCT623N has 8 inputs and 8 outputs.
Q: What is the maximum data transfer rate supported by SN74HCT623N? A: SN74HCT623N can support data transfer rates up to 25 MHz.
Q: Can SN74HCT623N be used for bus isolation? A: Yes, SN74HCT623N can be used for bus isolation as it has 3-state outputs that can effectively disconnect the bus.
Q: Does SN74HCT623N have any built-in protection features? A: SN74HCT623N has built-in diode clamps on the inputs to protect against overvoltage conditions.
Q: Can SN74HCT623N be used in both parallel and serial communication systems? A: Yes, SN74HCT623N can be used in both parallel and serial communication systems, depending on the application requirements.
Q: What is the power supply current consumption of SN74HCT623N? A: The power supply current consumption of SN74HCT623N is typically around 8 mA.
Q: Are there any specific layout considerations for using SN74HCT623N? A: It is recommended to follow proper PCB layout guidelines, such as minimizing trace lengths and providing decoupling capacitors near the power supply pins, to ensure optimal performance of SN74HCT623N.
Please note that these answers are general and may vary based on specific application requirements.