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74LS47 BCD to 7-Segment Decoder/Driver IC
Accepts BCD input, generates complements, and decodes with open-collector outputs.
- Supply Voltage (VCC): 7 V
- Input Voltage (VI): 7 V
- Operating Temperature: 0°C to +70°C
- Storage Temperature: -65°C to +150°C
- Related Document: 74LS47 IC Datasheet
Features:
- Open-collector outputs
- Drive indicator segments directly
- Cascadable zero-suppression capability
- Lamp test input
The 74LS47 accepts four lines of BCD (8421) input data, generates their complements internally, and decodes the data with seven AND/OR gates having open-collector outputs to drive indicator segments directly. Each segment output is guaranteed to sink 24 mA in the ON (LOW) state and withstand 15V in the OFF (HIGH) state with a maximum leakage current of 250 µA. Auxiliary inputs provided blanking, lamp test, and cascadable zero-suppression functions.
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