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

QC0079
45 In stock
Rs. 38.00 (Exc. GST)
Rs. 38.00

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

Description

1,2,6,7

B,C,D,A

BCD input of the IC

3

Display test/Lamp test

To test the display LEDs

4

Blank input

To turn-off the LEDs of the display

5

RBI (bar)

Store or strobe a BCD code

8

Gnd

Ground

9,10,11,12,13,14,15

e,d,c,b,a,g,f

7-segment outputs

16

Vcc

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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