Description
The CD4520 Dual 4-Bit Binary Counter IC is a versatile digital integrated circuit that contains two independent 4-bit binary counters in a single package. Each counter features its own clock and clear inputs, allowing flexible operation for counting, timing, and frequency division applications.
Designed to operate over a wide voltage range, the CD4520 is compatible with both TTL and CMOS logic levels. Its low power consumption and reliable performance make it ideal for use in digital systems, embedded designs, and industrial control circuits.
Key Features
- Dual 4-bit binary counters in one IC
- Independent clock and clear inputs for each counter
- Wide operating voltage range (3V – 15V)
- Low power consumption
- TTL and CMOS compatible
- Schmitt trigger clock inputs for noise immunity
- Cascadable design for higher bit counting
- Compact 16-pin package
Specification
- IC Type: Dual Binary Counter
- Model: CD4520
- Number of Counters: 2 (independent)
- Counting Range: 0 – 15 (per counter)
- Supply Voltage: 3V – 15V
- Maximum Clock Frequency: Up to 6 MHz
- Clock Inputs: CP0, CP1
- Clear Input: CLR
- Output: Q (binary outputs)
- Package Type: DIP-16 / SOIC-16
Application
- Frequency division circuits
- Event counting systems
- Digital timers and clocks
- Pulse generation circuits
- Industrial control systems
- Embedded and digital logic projects
- Consumer electronics
Datasheet: For detailed technical information, refer to the CD4520 binary counter IC datasheet.





