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: 0C to +70C
• Storage Temperature: -65C to +150C
• 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 A. Auxiliary inputs provided blanking, lamp test, and cascadable zero-suppression functions.

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