The 7447 / 74HC47 / 74LS47 IC series are BCD to 7-segment decoder/drivers in a DIP-16 package. They convert 4-bit BCD inputs into outputs that drive common anode 7-segment displays, making them essential for digital display systems.
The DM74LS47A / 7447 IC is a BCD to 7-segment decoder/driver in a DIP-16 package. It converts 4-bit binary-coded decimal inputs into outputs that drive common anode 7-segment displays. Widely used in digital clocks, counters, and calculators.