STMicroelectronics M74HCT245M1R Octal Bus Transceiver

The M74HCT245M1R from STMicroelectronics is a high-speed CMOS octal bus transceiver designed to meet the stringent requirements of the industrial and automotive industry. This integrated circuit is crafted to provide bidirectional interfacing between two buses with different voltage levels, ensuring reliable data exchange while maintaining signal integrity.

Key Features

• Logic Type: Octal Bus Transceiver with 3-state outputs
• Operating Voltage: 4.5V to 5.5V, making it compatible with TTL and CMOS logic levels
• High-Speed Performance: Typical propagation delay of 8ns, ensuring fast data transmission
• Drive Capability: Capable of driving up to 15 LSTTL loads, providing ample driving power for connected devices
• Low Power Consumption: Reduced power requirements with an ICC of only 4µA maximum at 25°C
• Pin and Function Compatibility: Directly interfaces with the 74 series logic family

Application Domains

The versatility of the M74HCT245M1R makes it an ideal choice for a wide range of applications, including:

• Data communication in industrial automation systems
• Signal bridging in automotive control units
• Bus management and interfacing in embedded systems
• Memory switching and data exchange in computing applications

Product Specifications

The device is encapsulated in an SO-20 package, ensuring a compact footprint suitable for space-constrained applications. It offers an extended temperature range from -55°C to 125°C, which guarantees operation in harsh environments. The M74HCT245M1R also features high noise immunity, characterized by a VNH of 1.2V and VNL of 0.8V at VCC = 4.5V.

Quality and Reliability

STMicroelectronics is committed to delivering high-quality products. The M74HCT245M1R is no exception, undergoing rigorous testing and validation to ensure it meets the highest standards for performance and reliability. Customers can confidently integrate this transceiver into their systems, knowing it is backed by a reputable semiconductor manufacturer.

For detailed technical specifications, application notes, and support resources, visit the STMicroelectronics website or contact your local ST sales office.