Product Overview: SN74LS247NG4 from Texas Instruments
The SN74LS247NG4 is a versatile digital display driver integrated circuit manufactured by Texas Instruments, a leader in the semiconductor industry. This device is part of the 74LS series, known for its low-power Schottky technology, which provides a balance between speed and power consumption. It is specifically designed to interface with 7-segment numeric displays, making it an ideal choice for applications requiring numerical output visualization.
Key Features
- Display Mode: The SN74LS247NG4 is capable of driving common-anode LED displays, as well as other types of 7-segment displays. It includes an automatic blanking function to the zero (0) digit and a lamp test provision that allows for easy display checking.
- Logic Type: BCD to 7-Segment Decoder/Driver with Open-Collector Outputs.
- Output Configuration: The device features open-collector outputs designed to sink a significant amount of current, which enables the direct drive of indicators in high-power display environments.
- Input Signal Compatibility: It accepts a 4-bit binary-coded decimal (BCD) input signal and converts it into the corresponding 7-segment display output.
- Supply Voltage: Operates at a typical supply voltage of 5V, which is standard for TTL logic levels, making it compatible with a wide range of digital circuits.
- Packaging: The SN74LS247NG4 comes in a standard 16-pin DIP (Dual In-line Package), which is suitable for through-hole mounting on printed circuit boards.
Applications
The SN74LS247NG4 is widely used in digital clock displays, counters, calculators, and any electronic system requiring numerical output to be displayed. Its ease of interfacing with microprocessors and digital systems makes it a common choice for engineers and designers in the creation of user interfaces.
Quality and Reliability
Texas Instruments is known for its commitment to quality and reliability, and the SN74LS247NG4 is no exception. The device undergoes rigorous testing to ensure it meets the industry standards for performance and longevity. This commitment to quality ensures that the SN74LS247NG4 is a reliable component for both commercial and industrial applications.