STMicroelectronics M74HC245PM13TR Octal Bus Transceiver
The M74HC245PM13TR is a high-speed CMOS octal bus transceiver manufactured by STMicroelectronics. Designed for asynchronous two-way communication between data buses, the device allows for data transmission from the A bus to the B bus and vice versa, depending on the logic level at the direction control (DIR) input. The output enable (OE) input can be used to disable the device so that the buses are effectively isolated.
This integrated circuit is part of the HC family, which ensures a robust performance with high noise immunity and low power consumption. The M74HC245PM13TR is suitable for a wide range of applications including data bus buffering, memory address driving, and bidirectional data communication in microprocessor systems.
Key Features:
- Logic Type: CMOS
- Number of Channels: 8
- Direction Type: Bi-Directional
- Supply Voltage Range: 2V to 6V
- Operating Temperature: -55°C to +125°C
- Mounting Type: Surface Mount
- Package / Case: SO-20
- Data Rate: High-speed
The device's pin configuration is optimized for convenient PCB layout, with the inputs and outputs arranged to facilitate easy routing. The M74HC245PM13TR operates over a wide voltage range, making it compatible with various logic levels, and it can drive up to 15 LSTTL loads. Its low quiescent current ensures that the device remains power-efficient even when it is not actively driving a bus.
The M74HC245PM13TR is provided in a 20-pin SOIC package, which is both space-saving and suitable for automated assembly processes. The product is also available in tape and reel packaging, denoted by the TR suffix, facilitating its use in high-volume manufacturing environments.
With its proven reliability and STMicroelectronics' commitment to high-quality standards, the M74HC245PM13TR is an excellent choice for designers who require a dependable bus transceiver that operates across a broad range of industrial and commercial applications.