STMicroelectronics M74HC245TTR Octal Bus Transceiver

The M74HC245TTR from STMicroelectronics is a high-speed CMOS octal bus transceiver designed for asynchronous communication between data buses. This integrated circuit is well-suited for a wide array of applications that require efficient data transfer, including computing systems, communication interfaces, and industrial control environments.

Key Features

• Logic Type: CMOS
• Number of Channels: 8
• Directionality: Bidirectional
• Operating Voltage Range: 2V to 6V
• Output Current: High-level 6 mA, Low-level 6 mA
• Propagation Delay Time: 8 ns at 6V
• Mounting Type: Surface Mount
• Package / Case: TSSOP-20
• Operating Temperature: -55°C to 125°C

Product Description

The M74HC245TTR is a versatile octal bus transceiver that operates as an interface between two buses operating at different voltage levels. Its bidirectional data flow with output enable (OE) control makes it ideal for multiplexed data transmission. The device's true logic design ensures non-inverting data transfer, which is critical for maintaining data integrity.

Constructed with silicon gate CMOS technology, the M74HC245TTR offers a robust solution with high noise immunity and low power consumption. The transceiver is capable of operating with a wide voltage range of 2V to 6V, ensuring compatibility with various logic levels and offering flexibility in system design.

Additionally, the device features a latch-up performance that exceeds 250 mA on 74HC series devices, providing reliable operation even under challenging conditions. The TSSOP-20 package is compact and suitable for space-constrained applications, and the surface mount design facilitates easier integration into PCBs.

With its ability to handle significant current of up to 6 mA for both high and low-level outputs and with a fast propagation delay of only 8 ns at a 6V supply, the M74HC245TTR ensures efficient and rapid data transmission. The wide operating temperature range from -55°C to 125°C guarantees performance in extreme environments, making it an excellent choice for industrial and automotive applications.

Overall, the M74HC245TTR from STMicroelectronics is a reliable and high-performing component that can be a critical part of any data bus communication system.