category
0
total
0
7447 - BCD to 7-Segment Decoder/Driver
The 7447 is a BCD (Binary-Coded Decimal) to 7-segment decoder/driver IC. It takes a 4-bit BCD input and converts it into control signals to drive a common anode 7-segment display. It includes features like lamp test, ripple blanking input/output, and input blanking.
Specifications:
- Function: BCD to 7-segment decoder/driver
- Input: 4-bit BCD (A, B, C, D)
- Output: 7 active-low segments (a to g)
- Display Type: Common anode
- Supply Voltage: 4.75V to 5.25V (typ. 5V)
- Output Current: Up to 24 mA per segment
- Includes lamp test, blanking input, and ripple blanking
- Propagation Delay: ~25 ns (typical)
- Package: 16-pin DIP
Applications:
- Driving 7-segment LED displays
- Digital counters and timers
- Numeric display systems
- Clock and stopwatch displays
- Basic BCD display decoding
related products
Popular Brand
