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CD4511 7-Segment Driver IC

15.00 EGP

SKU: Ic_4511 Category:

CD4511 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 Store 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



  • Lamping test and blanking capability.
  • Low logic circuit power dissipation.
  • Input latches for BCD code storage.
  • Balanced propagation delays and transition time.
  • High output sourcing capability.
  • Lamp intensity modulation capability.
  • Rigid structure.


Technical Specification

  • Supply voltage ranges from 3v to 18v
  • Set-up-time is 150, 70, and 40ns at 5v, 10v, and 15v respectively
  • Strobe pulse width is 400, 160, and 100ns at 5v, 10v, and 15v respectively
  • Hold time is zero
  • 100% tested for quiescent current at 20v
  • Having high input current of 1uA (max.) at 18v
  • Maximum output current sourcing of 25mA
  • Operating temperature ranges from -40 °C to 85 °C
  • Storage temperature ranges from -65 °C to 150 °C


Note: Complete technical information can be found in the CD4511 Datasheet linked at the bottom of this page.

CD4511 Equivalent ICs

74LS47, 7446, 7447, SN5446A, SN5447A, SN5448, SN54LS48, SN54LS47, SN74LS48, SN74LS49, SN54LS49, SN7448


Where to use CD4511 IC?

This IC combines the low quiescent power dissipation and high noise immunity feature of CMOS with NPN bipolar transistor, which is capable of giving output current of 25mA. Mainly this IC is used for lighting up or driving various types of display like 7-segment, low voltage fluorescent display and incandescent display. But this IC is mainly used for driving the 7-segment display..


How to use CD4511 IC?

To use this IC, you don’t need too many things to connect, just need a toggle or push button to change the logic over the ICs input pins and pull down resistor with them as shown in the circuit. A resistor pack or few resistor are also needed to connect a 7-segment display. As the setup complete you just have to follow the table to get the required output number.

Circuit using CD4511 7 segment driver IC

Displaying decimal number BCD code Push buttons
0 0000 Low Low Low Low
1 0001 Low Low Low High
2 0010 Low Low High Low
3 0011 Low Low High High
4 0100 Low High Low Low
5 0101 Low High Low High
6 0110 Low High High Low
7 0111 Low High High High
8 1000 High Low Low Low
9 1001 High Low Low High


2D-Model of IC CD4511 

CD4511 7 segment driver IC 2D model

Component Datasheet

CD4511 7-Segment Driver Datasheet


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