74145 BCD to Decimal Decoder/Driver IC (DIP) is a reliable digital IC widely used in electronic circuits for decoding Binary-Coded Decimal (BCD) inputs into decimal outputs. This IC takes a 4-bit BCD input and provides one active low output among its 10 output lines, making it a one-of-ten decoder. It is commonly used for driving displays, selecting specific devices, or controlling relays and LEDs in projects.
The 74145 is packaged in a standard DIP (Dual In-line Package), making it easy to use on breadboards and PCB designs. Each output can sink sufficient current to directly drive loads such as LEDs or lamps. It is a staple IC in digital electronics labs, ideal for students, hobbyists, and engineers working on counting, selection, or display projects.
Applications include:
- Digital display drivers
- Keypad encoding and decoding
- LED and lamp control
- Sequential circuit designs\
- Decimal counting systems
Features:
- 4-bit BCD input to 1-of-10 decimal output
- Active LOW outputs for direct driving capability
- Standard 24-pin DIP package for easy prototyping
- Wide compatibility with TTL logic circuits
- Reliable and widely used in learning and practical projects
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