MC14021BDG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Counter
• Characteristics: High-speed operation, low power consumption
• Package: SOIC-16
• Essence: Binary Counter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Logic Family: CMOS
• Number of Stages: 4
• Maximum Clock Frequency: 25 MHz

Detailed Pin Configuration

The MC14021BDG 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: Carry Output (CO)
14. Pin 14: Carry Input (CI)
15. Pin 15: Supply Voltage (VDD)
16. Pin 16: Clock Inhibit (CLK INH)

Functional Features

• High-speed operation allows for efficient counting in various applications.
• Low power consumption ensures energy efficiency and longer battery life.
• Binary counter design enables accurate counting in digital systems.
• Reset and enable inputs provide control over the counting process.
• Carry input and output facilitate cascading multiple counters.

Advantages

• Wide supply voltage range allows for flexibility in different power supply configurations.
• Operating temperature range makes it suitable for use in extreme environments.
• CMOS logic family ensures compatibility with a wide range of digital systems.
• Compact SOIC-16 package offers space-saving benefits.

Disadvantages

• Limited number of stages may restrict its application in complex counting scenarios.
• Clock frequency limitation may not be suitable for high-speed applications.

Working Principles

The MC14021BDG is a synchronous binary counter that operates based on clock pulses. It counts up or down depending on the clock input and can be reset to a specific value using the reset input. The enable input controls whether the counter is active or disabled. The carry input and output allow for cascading multiple counters to achieve higher counting ranges.

Detailed Application Field Plans

The MC14021BDG is commonly used in various applications, including:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Communication equipment
6. Electronic gaming devices

Detailed and Complete Alternative Models

1. CD4020BE: 14-stage binary counter with similar characteristics and pin configuration.
2. SN74LS161N: 4-bit synchronous counter with parallel load capability.
3. HEF4017BP: Decade counter with 10 decoded outputs.

These alternative models offer similar functionality and can be considered as substitutes for the MC14021BDG in different applications.

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