CD4520BCN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics: High-speed operation, low power consumption
• Package: DIP (Dual In-line Package)
• Essence: CMOS Logic IC
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage: 3V to 18V
• Logic Family: CMOS
• Number of Stages: Dual 4-bit binary counters
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay: 60ns (typical)

Detailed Pin Configuration

The CD4520BCN has a total of 16 pins. The pin configuration is as follows:

1. Clock Input A (Pin 14)
2. Clock Input B (Pin 13)
3. Reset Input (Pin 12)
4. Enable Input (Pin 11)
5. Output Q0 (Pin 10)
6. Output Q1 (Pin 9)
7. Output Q2 (Pin 8)
8. Output Q3 (Pin 7)
9. Ground (Pin 1)
10. Output Q3 (Pin 2)
11. Output Q2 (Pin 3)
12. Output Q1 (Pin 4)
13. Output Q0 (Pin 5)
14. Enable Input (Pin 6)
15. Reset Input (Pin 15)
16. Clock Input B (Pin 16)

Functional Features

• Dual 4-bit binary counters with separate clock inputs
• Asynchronous reset and enable inputs for each counter
• High-speed operation allows for efficient counting
• Low power consumption makes it suitable for battery-powered devices
• Wide operating voltage range provides flexibility in various applications

Advantages and Disadvantages

Advantages

• High-speed operation enables quick counting
• Low power consumption prolongs battery life
• Wide operating voltage range allows for versatile applications

Disadvantages

• Propagation delay may affect timing-sensitive applications
• Limited number of stages may restrict complex counting sequences

Working Principles

The CD4520BCN is a CMOS logic IC that functions as a dual 4-bit binary counter. It counts the number of clock pulses received at its clock inputs A and B. The outputs Q0 to Q3 represent the binary count value. The counter can be reset asynchronously using the reset input, and its operation can be enabled or disabled using the enable input.

Detailed Application Field Plans

The CD4520BCN is commonly used in various applications, including:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Electronic games

Detailed and Complete Alternative Models

1. CD4020BCN: 14-stage binary counter with similar characteristics
2. CD4516BCN: Presettable binary up/down counter with synchronous load capability
3. CD4040BCN: 12-stage binary ripple counter with built-in oscillator

These alternative models offer similar functionality and can be used as substitutes for the CD4520BCN in different applications.

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