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Home Knowledge Base

4049 IC : Pin Configuration & Its Applications

Mrinali Sharma by Mrinali Sharma
August 24, 2022
in Knowledge Base
0
  • The IC 4049 consists of six NOT gates inside it and has a high input supply voltage with a maximum current rating of 1mA at 18v.
  • 4049 IC is capable to drive two TTL loads.
  • We can drive two TTL loads with it. The operating temperature of the IC is -40 to +85 °C. The IC is having high current sink as the input voltage increase the output current sink value will increase, at 15v the current sink value is 26mA.

Pin Configuration

Number Pin Name Description
1 VDD Positive supply for IC
2 G Inverting output 1 for input 1
3 A Input 1
4 H Inverting output 2 for input 2
5 B Input 2
6 IN Inverting output 3 for input 3
7 C Input 3
8 VSS Negative supply for IC
9 D Input 4
10 J Inverting output 4 for input 4
11 E Input 5
12 K Inverting output 5 for input 5
13 NC Not connected
14 F Input 6
15 L Inverting output 6 for input 6
16 NC not connected
  • CD4049 contains six inverter gates in one package as shown in the diagram.
Pin Diagram : 4049 IC
  • In this
  • Pin1 is for supply voltage.
  • pin3 is input.
  • pin2 is for output.
  • Pin 5 is the input.
  • pin 4 is the output.
  • for the second gate similarly, we have four more gates.
  • pin 8 is connected to ground.
  • Pin 13 and 16 are unused.

Applications of 4049 IC

  • Voltage multiplier circuit
  • High to low logic converter
  • CMOS hex buffer
  • Source driver
  • CMOS to TTL/DTL Hex converter
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Mrinali Sharma

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