74HC47 BCD to 7-Segment Decoder/Driver IC - DIP-16 Package is a CMOS BCD-to-7-segment decoder/driver IC designed to convert 4-bit Binary-Coded Decimal (BCD) inputs into signals for driving a 7-segment display. It provides active-LOW segment outputs and supports common-anode 7-segment displays. The IC also includes lamp-test, ripple-blanking, and blanking functions, making it suitable for digital counters, clocks, timers, calculators, measurement displays, and other numeric display applications.
| Parameter | Value |
|---|---|
| Product Type | BCD to 7-Segment Decoder/Driver IC |
| Model | 74HC47 |
| Logic Function | BCD to 7-Segment Decoder/Driver |
| Number of BCD Inputs | 4 |
| Number of Segment Outputs | 7 |
| Display Type | Common Anode |
| Output Logic | Active LOW |
| Control Functions | Lamp Test, Blanking, Ripple Blanking |
| Logic Family | 74HC |
| Supply Voltage | 2 V to 6 V |
| Operating Temperature | -40°C to +125°C |
| Package | DIP-16 / PDIP-16 |
| Mounting Type | Through Hole |

| Pin No. | Pin Name | Description |
|---|---|---|
| 1 | B | BCD Input B |
| 2 | C | BCD Input C |
| 3 | LT | Lamp Test Input, Active LOW |
| 4 | BI/RBO | Blanking Input / Ripple-Blanking Output |
| 5 | RBI | Ripple-Blanking Input |
| 6 | D | BCD Input D |
| 7 | A | BCD Input A |
| 8 | GND | Ground |
| 9 | e | Segment E Output |
| 10 | d | Segment D Output |
| 11 | c | Segment C Output |
| 12 | b | Segment B Output |
| 13 | a | Segment A Output |
| 14 | g | Segment G Output |
| 15 | f | Segment F Output |
| 16 | VCC | Positive Supply Voltage |
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1 × 74HC47 BCD to 7-Segment Decoder/Driver IC - DIP-16 Package
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