MC14021BCPG

Product Overview

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

Specifications

• Supply Voltage: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Logic Family: CMOS
• Number of Stages: 4
• Maximum Clock Frequency: 10MHz

Detailed Pin Configuration

The MC14021BCPG has a total of 16 pins. The pin configuration is as follows:

1. Pin 1: Clock Input (CLK)
2. Pin 2: Reset Input (RST)
3. Pin 3: Enable Input (EN)
4. Pin 4: Output 1 (Q1)
5. Pin 5: Output 2 (Q2)
6. Pin 6: Output 3 (Q3)
7. Pin 7: Output 4 (Q4)
8. Pin 8: Ground (GND)
9. Pin 9: Output 5 (Q5)
10. Pin 10: Output 6 (Q6)
11. Pin 11: Output 7 (Q7)
12. Pin 12: Output 8 (Q8)
13. Pin 13: VDD (Positive Power Supply)
14. Pin 14: Carry Output (CO)
15. Pin 15: Ripple Clock Output (RCO)
16. Pin 16: Clock Inhibit Input (CI)

Functional Features

• As a binary counter/divider, the MC14021BCPG can count up or down depending on the clock input and control signals.
• It has a synchronous design, meaning that all outputs change simultaneously with each clock pulse.
• The counter can be reset to its initial state using the reset input.
• The enable input allows for the activation or deactivation of the counter.
• The carry output provides a signal when the counter reaches its maximum count value.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting/dividing in various applications. - Low power consumption makes it suitable for battery-powered devices. - CMOS logic family ensures compatibility with a wide range of digital systems.

Disadvantages: - Limited number of stages (4) may not be sufficient for complex counting applications. - Lack of built-in error detection or correction mechanisms.

Working Principles

The MC14021BCPG operates based on the principles of binary counting. It uses flip-flops and logic gates to perform the counting/dividing functions. The clock input controls the timing of the counting process, while the control inputs (reset, enable, clock inhibit) determine the direction and behavior of the counter.

Detailed Application Field Plans

The MC14021BCPG is commonly used in various digital applications, including:

1. Frequency Division: The counter can be used to divide an input frequency by a specific factor, allowing for frequency scaling in electronic circuits.
2. Timekeeping: By utilizing the counter's ability to count clock pulses, it can be employed in timekeeping applications such as timers and clocks.
3. Digital Control Systems: The counter can be utilized in digital control systems to keep track of events or trigger specific actions based on the count value.

Detailed and Complete Alternative Models

Some alternative models to the MC14021BCPG include:

1. CD4017BE: Decade Counter/Divider with 10 outputs and a higher number of stages.
2. SN74LS93N: 4-Bit Binary Counter with asynchronous reset and a wider operating temperature range.
3. CD4020BE: 14-Stage Ripple Carry Binary Counter with higher maximum clock frequency.

These alternative models offer different features and specifications, providing options for various application requirements.

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