7448 IC BCD to 7-Segment Decoder Driver DIP-16
The 7448 BCD to 7-Segment Decoder Driver IC DIP-16 5V TTL Logic is a combinational logic integrated circuit designed to convert Binary Coded Decimal (BCD) input signals into appropriate outputs for driving 7-segment displays. It is widely used in digital counters, calculators, clocks, and electronic display systems.
Features:
- BCD (4-bit) to 7-segment decoding functionality.
- Compatible with common cathode 7-segment displays.
- Lamp test input for full segment activation check.
- Blanking input for display control and power saving.
- Ripple blanking for multi-digit cascading applications.
What is a BCD-to-7 Segment Decoder?
A BCD to Seven Segment decoder is a combinational logic circuit that accepts a decimal digit in BCD (input) and generates appropriate outputs for the segments to display the input decimal digit.
Pinout
Pin Configuration
| Pin No | Pin Name | Description |
|---|---|---|
| 1 | B | BCD input of the IC |
| 2 | C | BCD input of the IC |
| 3 | Display test/Lamp test | To test the display LED |
| 4 | Blank Input | To turn-off the LEDs of the display |
| 5 | Store | Store or strobe a BCD code |
| 6 | D | BCD input of the IC |
| 7 | A | BCD input of the IC |
| 8 | GND | Ground Pin |
| 9 | e | 7 segment output 1 |
| 10 | d | 7 segment output 2 |
| 11 | c | 7 segment output 3 |
| 12 | b | 7 segment output 4 |
| 13 | a | 7 segment output 5 |
| 14 | g | 7 segment output 6 |
| 15 | f | 7 segment output 7 |
| 16 | Vcc | Supply Voltage |
Specifications:
| Product Attribute | Attribute Value |
| Product Category: | Encoders, Decoders, Multiplexers & Demultiplexers |
| Product: | Decoders / Demultiplexers |
| Logic Family: | LS |
| Number of Input Lines: | 4 Input |
| Number of Output Lines: | 7 Output |
| Package/Case: | PDIP-16 |
| Supply Voltage – Min: | 4.75 V |
| Supply Voltage – Max: | 5.25 V |
| Mounting Style: | Through Hole |
| Minimum Operating Temperature: | 0 C |
| Maximum Operating Temperature: | + 70 C |
| Function: | Decoder/Driver |
| High Level Output Current: | – 100 uA |
| Logic Type: | Decoders/Demultiplexers |
| Low Level Output Current: | 6 mA |
| Number of Circuits: | 1 Circuit |
| Operating Supply Voltage: | 5 V |
| Series: | SN74LS48 |
| Subcategory: | Logic ICs |
| Supply Current – Max: | 25 mA |
| Technology: | Bipolar |
Applications:
- Digital clocks and timers.
- Electronic counters and frequency displays.
- Digital measurement instruments.
- Calculator display systems.
- Embedded numeric display interfaces.
- Educational digital electronics projects.
Package Include:
1x 7448 IC BCD to 7-Segment Decoder Driver DIP-16.