CD4020 14-bit Binary Counter IC – 16 Pin DIP Package

CD4020 is ripple-carry binary counters that features 14 Stages, push-pull type, balanced outputs, with standard speed (tpd > 50ns). All counter stages are master-slave flip-flops.Supports wide input voltage ranges from 3V to 18V. The maximum input current at 18V is 1uA whereas 100nA at 18V and 25C.

All counter stages are master-slave flip-flops. The state of a counter advances one count on the negative transition of each input pulse; a high level on the RESET line resets the counter to its all-zeros state. Schmitt trigger action on the input-pulse line permits unlimited rise and fall times. All inputs and outputs are buffered. 16 Pin DIP available in hermetic dual-in-line ceramic package.

We also have CD4040 with similar features. The differences are CD4020 is a 14 Stage binary counter whereas CD4040 is a 12 Stage binary counter and there is a difference between the pin layout.

CD4020 pinout:

CD4020 features, specification

1. Medium-speed operation
2. Fully static operation
3. Buffered inputs and outputs
4. 100% tested for quiescent current at 20 V
5. Standardized, symmetrical output characteristics
6. Fully static operation
7. Common reset
8. 5-V, 10-V, and 15-V parametric ratings
9. Maximum input current of 1 A at 18 V over full package-temperature range; 100 nA at 18 V and 25C
10. Noise margin (over full package-temperature range):

• 1 V at VDD = 5 V
• 2 V at VDD = 10 V
• 2.5 V at VDD = 15 V

Specification: –

• VCC (Min) (V) – 3
• VCC (Max) (V) – 18
• Bits (#) – 12
• Voltage (Nom) (V) – 5, 10, 15
• F @ nom voltage (Max) (MHz) – 8
• ICC @ nom voltage (Max) (mA) – 0.03
• tpd @ nom Voltage (Max)(ns) – 160
• IOL (Max) (mA) – 1.5
• IOH (Max) (mA) – -1.5
• Function – Counter
• Type – Binary
• Operating temperature range (C) -55 to 125

CD4040 Applications:

• Control Counters
• Timers
• Frequency Dividers
• Time-Delay Circuits

CD4040 Dimension and footprint:

Example Projects on CD4040:

3x3x3 based LED Cube using 555 Timer and CD4020

Additional Resources:

CD4020 Datasheet

Package Contains

1x CD4020