BUY 74LS47 https://www.utsource.net/itm/p/98201.html
BCD to 7-Segment Decoder/Driver with Open-Collector Outputs
The 74LS47 is a BCD to Seven Segment Decoder/Driver from Texas Instruments. It is a 16-pin DIP (Dual Inline Package) logic device that can decode a BCD (Binary Coded Decimal) input into a 7-segment display. Features: * Compatible with TTL logic levels * Low active power dissipation * Output voltage compatible with LED, Lamps and Relays Applications: * Measuring Instruments * Computer Numeric Keyboards * Clock and Timer Circuits * Counters and Frequency Divider Circuits
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