Product Overview: Texas Instruments SN74LVC8T245DGVR
Introduction
The Texas Instruments SN74LVC8T245DGVR is a versatile 8-bit bus transceiver with configurable voltage-level translation. It is designed to facilitate communication between devices operating at different voltage levels, making it a crucial component in modern electronic systems. The SN74LVC8T245DGVR enables bi-directional data flow and supports voltage translation between 1.2 V and 5.5 V, making it suitable for a wide range of applications. This article will provide a comprehensive overview of the SN74LVC8T245DGVR, including its product description, features, detailed specifications, applications, and frequently asked questions (FAQs).
Product Description
The SN74LVC8T245DGVR is an 8-bit dual-supply bus transceiver with configurable voltage-level translation. It is part of the LVC family of logic devices from Texas Instruments, known for their low-voltage operation and high-speed performance. This device is particularly useful in systems where different components operate at varying voltage levels, as it allows for seamless communication between them.
The SN74LVC8T245DGVR features dual power supply rails, allowing it to interface with two different voltage levels. The A-side operates between 1.2 V and 3.6 V, while the B-side can handle voltages between 1.65 V and 5.5 V. This makes it an ideal solution for interfacing modern low-power devices with legacy systems that operate at higher voltages.
The device is designed for bi-directional communication, with a direction control (DIR) pin to manage data flow between the A and B sides. It also includes an output enable (OE) pin, allowing for tri-state operation, which can be useful in bus-oriented systems. The SN74LVC8T245DGVR is available in a space-saving 24-pin TSSOP package, making it suitable for compact designs.
Features
The SN74LVC8T245DGVR offers a range of features that make it a valuable component in voltage-level translation and bus transceiver applications:
Dual Power Supply Rails: Supports dual voltage levels, with the A-side operating between 1.2 V and 3.6 V and the B-side between 1.65 V and 5.5 V.
Bi-Directional Data Flow: Facilitates two-way communication between devices with different voltage levels.
Direction Control (DIR) Pin: Allows for control of the data flow direction between the A and B sides.
Output Enable (OE) Pin: Enables tri-state operation, making the device suitable for bus-oriented systems.
High-Speed Operation: Offers a maximum data rate of 100 Mbps, ensuring efficient communication in high-performance systems.
Low Power Consumption: Part of the LVC family, designed for low-voltage operation and minimal power consumption.
Latch-Up Performance: The device exceeds 100 mA per JESD 78, Class II standard, ensuring robustness in various operating conditions.
ESD Protection: Features ESD protection exceeding 2000 V per the JESD 22 standard.
Compact TSSOP-24 Package: The device comes in a space-saving 24-pin TSSOP package, making it ideal for compact designs.
RoHS Compliant: The device complies with Restriction of Hazardous Substances (RoHS) regulations, making it environmentally friendly.
Detailed Specifications
Here are the key specifications of the SN74LVC8T245DGVR:
- Voltage Range (A-side): 1.2 V to 3.6 V
- Voltage Range (B-side): 1.65 V to 5.5 V
- Data Rate: Up to 100 Mbps
- Input Leakage Current: ±5 μA
- Quiescent Current (Icc): 20 μA (Max)
- Output Drive Current: ±24 mA at 3.3 V
- Operating Temperature Range: -40°C to +125°C
- Package: 24-pin TSSOP (Thin Shrink Small Outline Package)
- ESD Protection: 2000 V (per JESD 22)
- Latch-Up Performance: Exceeds 100 mA per JESD 78, Class II
Applications
The SN74LVC8T245DGVR is suitable for a wide range of applications, particularly in systems that require communication between devices operating at different voltage levels. Some common applications include:
Microcontroller and FPGA Interfacing: Ideal for connecting microcontrollers and FPGAs that operate at different voltage levels.
Portable Devices: Suitable for portable devices that require low power consumption and voltage-level translation between different components.
Networking Equipment: Used in networking equipment where different subsystems operate at varying voltages.
Consumer Electronics: Ideal for consumer electronics that require communication between different voltage domains, such as smartphones, tablets, and gaming consoles.
Automotive Systems: Can be used in automotive systems that require reliable voltage-level translation between different modules.
Industrial Automation: Suitable for industrial automation systems where communication between different voltage domains is necessary.
Communication Systems: Used in communication systems that require high-speed data transfer between different voltage domains.
Memory and Storage Devices: Can be used in memory and storage devices that require voltage-level translation.
Test and Measurement Equipment: Suitable for test and measurement equipment that operates at different voltage levels.
Medical Devices: Used in medical devices that require low power consumption and reliable voltage-level translation.
Frequently Asked Questions (FAQs)
1. What is the main function of the SN74LVC8T245DGVR?
The SN74LVC8T245DGVR is an 8-bit dual-supply bus transceiver with voltage-level translation, designed to facilitate communication between devices operating at different voltage levels.
2. What are the voltage ranges supported by the A and B sides of the device?
The A-side supports voltage levels between 1.2 V and 3.6 V, while the B-side can handle voltages between 1.65 V and 5.5 V.
3. Can the SN74LVC8T245DGVR be used for bi-directional communication?
Yes, the device supports bi-directional data flow, with a direction control (DIR) pin to manage the data flow between the A and B sides.
4. What is the maximum data rate supported by the SN74LVC8T245DGVR?
The device supports a maximum data rate of up to 100 Mbps.
5. What is the operating temperature range of the SN74LVC8T245DGVR?
The device operates within a temperature range of -40°C to +125°C, making it suitable for use in a variety of environments.
6. Is the SN74LVC8T245DGVR RoHS compliant?
Yes, the device is RoHS compliant, meaning it meets environmental standards for the restriction of hazardous substances.
7. What package does the SN74LVC8T245DGVR come in?
The SN74LVC8T245DGVR is available in a 24-pin TSSOP package, which is compact and ideal for space-constrained designs.
8. How does the SN74LVC8T245DGVR handle ESD protection?
The device features ESD protection exceeding 2000 V per JESD 22 standards, ensuring reliability in various operating conditions.
9. Can the SN74LVC8T245DGVR be used in automotive applications?
Yes, the device is suitable for automotive applications that require voltage-level translation and reliable performance.
10. How does the output enable (OE) pin function in the SN74LVC8T245DGVR?
The output enable (OE) pin allows for tri-state operation, enabling the device to be disabled, making it suitable for bus-oriented systems where multiple devices share the same bus.
Decoding the Part Number
The part number SN74LVC8T245DGVR can be broken down as follows:
- SN: Texas Instruments standard logic family.
- 74: Indicates that the device belongs to the 7400 series of logic devices.
- LVC: Low Voltage CMOS logic family, indicating low power consumption and high-speed operation.
- 8T245: Denotes that the device is an 8-bit transceiver with configurable voltage-level translation.
- DGV: Indicates the package type (TSSOP-24).
- R: Denotes tape and reel packaging for automated assembly processes.
Manufacturer Overview
Texas Instruments (TI) is a global leader in the design and manufacture of semiconductors and integrated circuits. Founded in 1930, TI has a long history of innovation in electronics, providing a wide range of products that serve industries including automotive, industrial, consumer electronics, communications, and more. TI is known for its commitment to quality, reliability, and performance, making it a trusted name in the semiconductor industry.
Conclusion
The SN74LVC8T245DGVR from Texas Instruments is a versatile and reliable solution for voltage-level translation and bus transceiver applications. With its dual power supply rails, bi-directional data flow, high-speed operation, and robust protection features, it is well-suited for a wide range of applications, from consumer electronics to industrial automation and automotive systems. Whether you're designing a new system or upgrading an existing one, the SN74LVC8T245DGVR offers the performance and flexibility needed to ensure seamless communication between devices operating at different voltage levels.
If you are looking for the electronic component SN74LVC8T245DGVR, VCTELEC is the right electronic part supplier to help you out. Please send us your RFQ to get the best price and prompt delivery time from our existing stock. We are always there to solve your electronic component shortage issue.