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SN74BCT245PW
Product Overview
Category
SN74BCT245PW belongs to the category of integrated circuits (ICs).
Use
This product is commonly used for level shifting and voltage translation in digital systems.
Characteristics
- High-speed operation
- Wide voltage range compatibility
- Bidirectional data transfer capability
- Low power consumption
Package
SN74BCT245PW is available in a standard 20-pin TSSOP package.
Essence
The essence of SN74BCT245PW lies in its ability to facilitate seamless communication between devices operating at different voltage levels.
Packaging/Quantity
SN74BCT245PW is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Supply Voltage: 2V to 6V
- Logic Family: BCT
- Number of Channels: 8
- Input/Output Compatibility: TTL/CMOS
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay: 10ns (max)
- Output Drive Capability: ±24mA
Detailed Pin Configuration
- OE (Output Enable)
- A1 (Input/Output)
- B1 (Input/Output)
- A2 (Input/Output)
- B2 (Input/Output)
- A3 (Input/Output)
- B3 (Input/Output)
- GND (Ground)
- B4 (Input/Output)
- A4 (Input/Output)
- B5 (Input/Output)
- A5 (Input/Output)
- B6 (Input/Output)
- A6 (Input/Output)
- B7 (Input/Output)
- A7 (Input/Output)
- VCC (Supply Voltage)
- DIR (Direction Control)
- B0 (Input/Output)
- A0 (Input/Output)
Functional Features
- Bidirectional data transfer between two voltage domains
- Automatic direction control based on DIR pin
- Output enable/disable functionality for bus isolation
- High-speed operation for efficient data transmission
Advantages
- Wide voltage range compatibility allows for versatile usage in various digital systems.
- Bidirectional data transfer capability simplifies circuit design and reduces component count.
- Low power consumption contributes to energy-efficient operation.
- High-speed operation ensures fast and reliable data transmission.
Disadvantages
- Limited number of channels may restrict usage in complex systems requiring more connections.
- Propagation delay of 10ns (max) may introduce timing constraints in certain applications.
Working Principles
SN74BCT245PW operates by receiving input signals from one voltage domain, translating them to the appropriate voltage level, and transmitting them to another voltage domain bidirectionally. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the output. This IC ensures seamless communication between devices operating at different voltage levels.
Detailed Application Field Plans
SN74BCT245PW finds extensive application in various digital systems, including but not limited to: - Microcontrollers - Data communication interfaces - Industrial automation systems - Robotics - Automotive electronics
Detailed and Complete Alternative Models
- SN74LVC245A
- CD74HCT245E
- MC74VHC245DT
- 74ACT245SCX
These alternative models offer similar functionality and can be used as substitutes for SN74BCT245PW in different applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74BCT245PW v technických řešeních
Sure! Here are 10 common questions and answers related to the application of SN74BCT245PW:
Q: What is SN74BCT245PW? A: SN74BCT245PW is a bidirectional octal bus transceiver with 3-state outputs, commonly used for level shifting and signal buffering in digital systems.
Q: What is the operating voltage range of SN74BCT245PW? A: The operating voltage range of SN74BCT245PW is typically between 4.5V and 5.5V.
Q: How many bidirectional channels does SN74BCT245PW have? A: SN74BCT245PW has 8 bidirectional channels, allowing it to handle 8 data lines simultaneously.
Q: Can SN74BCT245PW be used for voltage level shifting? A: Yes, SN74BCT245PW can be used for voltage level shifting as it supports bidirectional communication between different voltage domains.
Q: What is the maximum data transfer rate supported by SN74BCT245PW? A: SN74BCT245PW can support data transfer rates up to 100 MHz, making it suitable for high-speed applications.
Q: Does SN74BCT245PW have built-in protection features? A: Yes, SN74BCT245PW has built-in ESD protection diodes on all inputs and outputs to safeguard against electrostatic discharge.
Q: Can SN74BCT245PW be used in both parallel and serial communication systems? A: Yes, SN74BCT245PW can be used in both parallel and serial communication systems, depending on the configuration and requirements.
Q: What is the power supply current consumption of SN74BCT245PW? A: The power supply current consumption of SN74BCT245PW is typically around 10 mA, but it can vary depending on the operating conditions.
Q: Can SN74BCT245PW be used in automotive applications? A: Yes, SN74BCT245PW is suitable for automotive applications as it meets the necessary standards and has a wide operating temperature range.
Q: Are there any recommended layout guidelines for using SN74BCT245PW? A: Yes, it is recommended to follow the layout guidelines provided in the datasheet to ensure proper signal integrity and minimize noise coupling.
Please note that these answers are general and may vary based on specific application requirements. It's always best to refer to the datasheet and consult with an expert for detailed information.