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SN74LVC8T245PWRE4
Product Overview
Category
The SN74LVC8T245PWRE4 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used for level shifting and voltage translation applications.
Characteristics
- Low-voltage CMOS technology
- 8-bit bidirectional voltage-level translator
- Wide operating voltage range: 1.65V to 5.5V
- High-speed operation: up to 100 MHz
- Supports mixed-mode signal operation on all ports
- Schmitt-trigger inputs for noise immunity
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
Package
The SN74LVC8T245PWRE4 is available in a small-outline integrated circuit (SOIC) package.
Essence
The essence of this product lies in its ability to provide bidirectional voltage-level translation between different voltage domains.
Packaging/Quantity
The SN74LVC8T245PWRE4 is typically packaged in reels, with 2500 units per reel.
Specifications
- Supply Voltage Range: 1.65V to 5.5V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Input Capacitance: 3.5pF (typical)
- Output Capacitance: 4.5pF (typical)
- Propagation Delay: 2.6ns (typical)
Detailed Pin Configuration
The SN74LVC8T245PWRE4 has a total of 20 pins, which are assigned as follows:
- OE (Output Enable) - Active low output enable input
- A1 - Data input/output port A1
- B1 - Data input/output port B1
- A2 - Data input/output port A2
- B2 - Data input/output port B2
- A3 - Data input/output port A3
- B3 - Data input/output port B3
- GND (Ground) - Ground reference
- B4 - Data input/output port B4
- A4 - Data input/output port A4
- B5 - Data input/output port B5
- A5 - Data input/output port A5
- B6 - Data input/output port B6
- A6 - Data input/output port A6
- VCC - Positive power supply
- DIR (Direction Control) - Direction control input
- B7 - Data input/output port B7
- A7 - Data input/output port A7
- B8 - Data input/output port B8
- A8 - Data input/output port A8
Functional Features
- Bidirectional voltage-level translation between two voltage domains
- Support for mixed-mode signal operation on all ports
- Schmitt-trigger inputs provide noise immunity
- High-speed operation allows for efficient data transfer
- ESD protection ensures reliability in harsh environments
Advantages and Disadvantages
Advantages
- Wide operating voltage range enables compatibility with various systems
- High-speed operation facilitates fast data transmission
- Schmitt-trigger inputs enhance noise immunity
- ESD protection safeguards against electrostatic discharge
Disadvantages
- Limited number of bidirectional channels (8-bit)
Working Principles
The SN74LVC8T245PWRE4 operates by receiving data from one voltage domain and translating it to the appropriate voltage level for another domain. The direction of data flow is controlled by the DIR pin. The IC utilizes low-voltage CMOS technology, allowing for efficient and reliable voltage-level translation.
Detailed Application Field Plans
The SN74LVC8T245PWRE4 finds applications in various fields, including:
- Microcontroller interfacing
- Communication systems
- Industrial automation
- Consumer electronics
- Automotive electronics
In microcontroller interfacing, this IC enables communication between microcontrollers operating at different voltage levels. In communication systems, it facilitates signal translation between different protocols or standards. In industrial automation, it aids in connecting devices with varying voltage requirements. In consumer electronics, it allows for seamless integration of components with different voltage domains. In automotive electronics, it assists in voltage-level translation for various subsystems.
Detailed and Complete Alternative Models
- TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.
- PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator.
- SN74AVC4T245PWR: 4-bit dual-supply bus transceiver with configurable voltage-level shifting.
These alternative models
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74LVC8T245PWRE4 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of SN74LVC8T245PWRE4 in technical solutions:
Q: What is SN74LVC8T245PWRE4? A: SN74LVC8T245PWRE4 is a bidirectional voltage level translator and signal buffer that can be used to interface between different voltage domains.
Q: What is the operating voltage range of SN74LVC8T245PWRE4? A: SN74LVC8T245PWRE4 operates within a voltage range of 1.65V to 5.5V.
Q: Can SN74LVC8T245PWRE4 handle bi-directional communication? A: Yes, SN74LVC8T245PWRE4 supports bi-directional data transfer between two voltage domains.
Q: What is the maximum data transfer rate supported by SN74LVC8T245PWRE4? A: SN74LVC8T245PWRE4 can support data transfer rates up to 100 Mbps.
Q: How many channels does SN74LVC8T245PWRE4 have? A: SN74LVC8T245PWRE4 has 8 bidirectional channels.
Q: Can SN74LVC8T245PWRE4 handle level shifting for I2C or SPI interfaces? A: Yes, SN74LVC8T245PWRE4 can be used for level shifting in I2C or SPI interfaces.
Q: Does SN74LVC8T245PWRE4 have any built-in ESD protection? A: Yes, SN74LVC8T245PWRE4 has built-in ESD protection on all pins.
Q: What is the power supply voltage required for SN74LVC8T245PWRE4? A: SN74LVC8T245PWRE4 requires a power supply voltage of 1.65V to 5.5V.
Q: Can SN74LVC8T245PWRE4 be used in automotive applications? A: Yes, SN74LVC8T245PWRE4 is qualified for automotive applications and meets the AEC-Q100 standard.
Q: Are there any application notes or reference designs available for SN74LVC8T245PWRE4? A: Yes, Texas Instruments provides application notes and reference designs for SN74LVC8T245PWRE4 on their website, which can help with the implementation of this device in various technical solutions.
Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.