74LS47 7-Segment Driver IC
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74LS47 7-Segment Driver IC

83 In stock
Rs. 30.00 (Exc. GST)
Rs. 30.00

The SN74LS47 is a 7-segment Driver IC. It is used to drive a 7-segment display without the need of a microcontroller. It accepts decimal values (Binary coded) as inputs and provides a pattern on output pins that can display from 0 to 9 on a 7-segment display. The 74LS47 accepts four lines of BCD input data, generates their complements internally, and decodes the data with seven AND/OR gates having open-collector outputs to drive indicator segments directly.


It can operate from 3V to 18V and can source up to 25mA on each output pin, which is high enough to illuminate the LEDs in a 7-segment display directly.


Pin Configuration

Pin no.

Pin name




BCD input of the IC


Display test/Lamp test

To test the display LEDs


Blank input

To turn-off the LEDs of the display


RBI (bar)

Store or strobe a BCD code






7-segment outputs



Positive supply input


Features & Specifications

  • Supply Voltage - Min: 3V
  • Supply Voltage - Max: 18V
  • Supply Current - Max: 7 mA
  • Maximum Clock Frequency: 35 MHz
  • Operating Supply Voltage: 5 V
  • Minimum Operating Temperature: 0 C
  • Maximum Operating Temperature: + 70 C
  • Open-collector outputs
  • Drive indicator segments directly
  • Cascadable zero-suppression capability
  • Lamp test input


Package Contents

1× 74LS47 7-Segment Driver IC


Additional Resources

74LS47 Datasheet

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