Texas Instruments

SN74LVC245ADBR  

Buffers, Drivers, Receivers, Transceivers

The Texas Instruments SN74LVC245ADBR is a high-speed bus transceiver designed to facilitate communication between different voltage levels in digital systems. This device is part of the 74LVC245 family, which is a family of bus transceivers that provide bi-directional data transfer between two systems with different supply voltages.

Description:

The SN74LVC245ADBR is a 24-channel, bi-directional bus transceiver that allows for efficient data transfer between systems operating at different voltage levels. It features a non-inverting, 3-state architecture, which means that the output is a direct copy of the input, except when the output is in a high-impedance state (3-state). This device is available in a 20-pin QFN package.

Features:

1. 24 bi-directional channels for efficient data transfer.
2. Non-inverting, 3-state architecture for direct data transfer and high-impedance state.
3. Wide input voltage range (1.65V to 5.5V) for compatibility with various systems.
4. High-speed performance with a propagation delay of 4.5 ns (typical) and a toggle rate of 74 MHz.
5. Low power consumption, making it suitable for battery-powered applications.
6. 3-state outputs to prevent contention between drivers.
7. ESD protection up to 8 kV (human body model) for enhanced reliability.
8. Available in a compact 20-pin QFN package.

Applications:

The SN74LVC245ADBR is suitable for a wide range of applications where efficient data transfer between systems with different voltage levels is required. Some common applications include:

1. Interfacing between microcontrollers and memory devices with different supply voltages.
2. Data transfer between digital systems with mismatched voltage levels.
3. Level shifting in communication protocols, such as I2C, SPI, and UART.
4. Buffering and isolation in high-speed data communication systems.
5. Industrial control systems where different components may operate at different voltage levels.
6. Automotive applications where reliable data transfer between various electronic control units (ECUs) is essential.
7. Consumer electronics, such as smartphones and tablets, where different components may require different supply voltages.

In summary, the Texas Instruments SN74LVC245ADBR is a high-speed, 24-channel bus transceiver that enables efficient data transfer between systems with different voltage levels. Its non-inverting, 3-state architecture, wide input voltage range, and low power consumption make it suitable for a variety of applications, including industrial control systems, automotive applications, and consumer electronics.

SN74LVC245ADBR Documents

Download datasheets and manufacturer documentation for SN74LVC245ADBR

Datasheets :

SN74LVC245A       Logic Guide      

HTML Datasheet :

SN74LVC245A       Logic Guide