Texas Instruments

SN74LS47NSR

SN74LS47NSR Description

The SN74LS47NSR is a high-performance BCD-to-7-segment display driver IC designed by Texas Instruments. This device is specifically engineered to drive common-cathode LED displays, making it an essential component in various digital display applications. The SN74LS47NSR operates within a temperature range of 0°C to 70°C, ensuring reliable performance in standard operating conditions. It features a surface-mount configuration, which facilitates easy integration into modern circuit boards and compact designs.

The SN74LS47NSR is powered by a supply voltage ranging from 4.75V to 5.25V and consumes a minimal supply current of 7 mA, making it energy-efficient and suitable for low-power applications. The device is housed in a 16SO package and is available in a tape and reel format, which is ideal for automated assembly processes. It is compliant with REACH and ROHS3 standards, ensuring environmental safety and regulatory adherence.

SN74LS47NSR Features

• BCD Interface: The SN74LS47NSR utilizes a BCD (Binary-Coded Decimal) interface, which simplifies the connection to digital systems and microcontrollers. This interface allows for straightforward control and display of decimal digits.
• 7-Segment Configuration: Designed to drive 7-segment LED displays, this IC provides a clear and efficient way to display numerical data. Each segment is individually controlled, enabling precise and accurate display output.
• Low Power Consumption: With a supply current of only 7 mA, the SN74LS47NSR is highly energy-efficient, making it suitable for battery-operated devices and applications where power consumption is a critical factor.
• Wide Operating Voltage Range: The device operates within a voltage range of 4.75V to 5.25V, providing flexibility in power supply options and ensuring compatibility with a variety of power sources.
• Surface-Mount Technology (SMT): The surface-mount configuration allows for compact and robust PCB designs, enhancing reliability and reducing the overall footprint of the electronic system.
• Environmental Compliance: The SN74LS47NSR is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental regulations and is suitable for use in a wide range of applications without concerns about hazardous substances.
• Moisture Sensitivity Level (MSL) 1: The device has an MSL rating of 1, indicating it is not sensitive to moisture, which simplifies handling and storage processes.

SN74LS47NSR Applications

The SN74LS47NSR is ideal for a variety of applications where clear and efficient numerical display is required. Some specific use cases include:

• Digital Clocks and Watches: Provides a reliable and efficient way to display time, ensuring accurate and readable output.
• Electronic Meters and Instruments: Used in devices that require numerical display of measurements, such as voltmeters, ammeters, and other test equipment.
• Consumer Electronics: Ideal for appliances and devices that require a numerical display, such as microwave ovens, washing machines, and digital thermometers.
• Automotive Displays: Suitable for dashboard displays and other automotive applications where numerical information needs to be clearly presented to the driver.
• Industrial Control Panels: Used in control panels and monitoring systems where numerical data needs to be displayed to operators.

Conclusion of SN74LS47NSR

The SN74LS47NSR from Texas Instruments is a versatile and efficient BCD-to-7-segment display driver IC that offers a range of technical advantages. Its low power consumption, wide operating voltage range, and surface-mount configuration make it suitable for a variety of applications, from consumer electronics to industrial control systems. The device's compliance with environmental standards and its moisture sensitivity level of 1 further enhance its reliability and ease of use. Overall, the SN74LS47NSR is an excellent choice for designers looking for a robust and efficient solution for driving 7-segment LED displays.