MC74HC4020ADTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP-16
• Essence: 14-stage binary ripple counter with a built-in oscillator and reset function
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -55°C to +125°C
• Maximum Clock Frequency: 50MHz
• Number of Stages: 14
• Reset Function: Active Low
• Output Type: Buffered

Detailed Pin Configuration

1. VCC: Positive Power Supply
2. GND: Ground
3. MR: Master Reset (Active Low)
4. CP: Clock Pulse Input
5. Q12-Q0: Counter Outputs
6. Q13: Ripple Carry Output
7. Q14: Terminal Count Output
8. NC: No Connection
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection

Functional Features

• High-speed operation allows for efficient counting in various applications.
• Low power consumption makes it suitable for battery-powered devices.
• Built-in oscillator eliminates the need for an external clock source.
• Reset function enables easy initialization of the counter.
• Buffered outputs provide reliable signal transmission.

Advantages and Disadvantages

Advantages: - High-speed operation ensures quick and accurate counting. - Low power consumption extends battery life in portable devices. - Built-in oscillator simplifies circuit design. - Reset function allows for easy initialization. - Buffered outputs ensure reliable signal transmission.

Disadvantages: - Limited number of stages (14) may not be sufficient for certain applications requiring higher counts. - TSSOP package may require careful handling during assembly.

Working Principles

The MC74HC4020ADTR2G is a 14-stage binary ripple counter. It operates by counting the rising edges of the clock pulse input (CP). The counter advances one stage with each clock pulse, and the count value is represented on the output pins Q12-Q0. When the counter reaches its maximum count value, the terminal count output (Q14) goes high. The counter can be reset to zero by activating the master reset (MR) pin.

Detailed Application Field Plans

1. Frequency Division: The MC74HC4020ADTR2G can be used to divide the frequency of an input signal by a factor of 2^14, allowing for precise frequency division in various electronic systems.
2. Time Delay Generation: By utilizing the oscillator and counter features, the IC can generate accurate time delays in applications such as timers, clocks, and sequential logic circuits.
3. Event Counting: The counter can be used to keep track of events or occurrences in systems that require event counting, such as industrial automation, traffic monitoring, or scientific experiments.

Detailed and Complete Alternative Models

1. CD4020BE: Similar 14-stage binary ripple counter with a wider supply voltage range (3V to 18V).
2. SN74HC4040N: 12-stage binary ripple counter with a higher maximum clock frequency (80MHz).
3. CD4060BE: 14-stage binary ripple counter with built-in oscillator and additional features like an integrated oscillator and programmable timer.

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