onsemi

DM74LS245N

DM74LS245N Description

The DM74LS245N is a non-inverting bidirectional 8-bit transceiver IC, part of the 74LS series, manufactured by onsemi. This through-hole mounted device is designed for data transmission applications requiring efficient and reliable data transfer between two buses. The DM74LS245N operates within a supply voltage range of 4.75V to 5.25V and is specified for an operating temperature range of 0°C to 70°C (TA). It features an 8-bit data transfer capability, making it suitable for handling a wide range of data communication tasks.

DM74LS245N Features

• 8-Bit Data Transfer: The DM74LS245N supports 8-bit bidirectional data transfer, enabling efficient communication between two buses.
• Non-Inverting Logic: The device employs non-inverting logic, ensuring that the output data maintains the same state as the input data.
• High Current Capability: The DM74LS245N can handle output currents of up to 15mA for high logic levels and 24mA for low logic levels, making it robust for various applications.
• Wide Operating Voltage Range: With a supply voltage range of 4.75V to 5.25V, the DM74LS245N is versatile and can operate within a broad voltage spectrum.
• Through-Hole Mounting: The through-hole package type ensures reliable mechanical stability and ease of integration into PCB designs.
• Moisture Sensitivity Level 1: The device is rated MSL 1, indicating it is unaffected by moisture, making it suitable for a variety of environmental conditions.
• REACH Compliance: The DM74LS245N is REACH unaffected, ensuring compliance with environmental and health regulations.

DM74LS245N Applications

The DM74LS245N is ideal for applications requiring efficient data transfer between two buses, such as:

• Microprocessor Systems: Facilitating data transfer between microprocessors and peripheral devices.
• Memory Expansion: Enabling seamless data communication between memory modules and central processing units.
• Data Communication Networks: Used in local area networks (LANs) and other data communication systems to manage data flow between different network components.
• Industrial Control Systems: Managing data transfer between control units and various sensors or actuators in industrial environments.

Conclusion of DM74LS245N

The DM74LS245N is a versatile and reliable 8-bit bidirectional transceiver IC, well-suited for a variety of data transfer applications. Its non-inverting logic, high current capability, and wide operating voltage range make it a robust choice for ensuring efficient and error-free data communication. Despite being marked as obsolete, the DM74LS245N remains a valuable component for legacy systems and applications where its specific features are required. Its compliance with environmental regulations and moisture sensitivity level 1 further enhance its suitability for diverse operational environments.