NLV74HC4020ADR2G

Product Overview

Category: Integrated Circuit (IC)

Use: The NLV74HC4020ADR2G is a high-speed 14-stage binary counter/divider with a built-in oscillator. It is commonly used in digital electronics for frequency division, time measurement, and event counting applications.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Compact package size - Easy integration into electronic circuits

Package: SOIC-16 (Small Outline Integrated Circuit), which provides a compact and space-saving design.

Essence: The NLV74HC4020ADR2G is an essential component in digital systems that require accurate frequency division and timekeeping capabilities.

Packaging/Quantity: The NLV74HC4020ADR2G is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Number of Stages: 14
• Output Current: ±25 mA
• Input Capacitance: 3 pF
• Propagation Delay: 10 ns

Detailed Pin Configuration

The NLV74HC4020ADR2G has a total of 16 pins, each serving a specific function:

1. Q12 - Output of the twelfth stage
2. Q13 - Output of the thirteenth stage
3. Q14 - Output of the fourteenth stage
4. GND - Ground reference
5. CP - Clock input
6. MR - Master Reset input
7. Q11 - Output of the eleventh stage
8. Q10 - Output of the tenth stage
9. Q9 - Output of the ninth stage
10. VCC - Positive power supply
11. Q8 - Output of the eighth stage
12. Q7 - Output of the seventh stage
13. Q6 - Output of the sixth stage
14. Q5 - Output of the fifth stage
15. Q4 - Output of the fourth stage
16. Q3 - Output of the third stage

Functional Features

The NLV74HC4020ADR2G offers the following functional features:

1. High-Speed Operation: The IC can operate at frequencies up to 50 MHz, allowing for rapid counting and division of input signals.
2. Built-in Oscillator: The integrated oscillator eliminates the need for an external clock source, simplifying circuit design.
3. Binary Counter/Divider: The IC can divide an input frequency by a factor of 2^14 (16384), providing precise frequency division capabilities.
4. Master Reset Function: The MR pin allows for resetting the counter to its initial state, enabling synchronization with external events.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient counting and division tasks. - Low power consumption makes it suitable for battery-powered applications. - Wide operating voltage range provides flexibility in various electronic systems. - Compact package size allows for space-saving integration into circuits. - Built-in oscillator simplifies circuit design.

Disadvantages: - Limited number of stages (14) may not be sufficient for certain complex applications requiring higher division ratios. - Propagation delay of 10 ns may introduce timing inaccuracies in time-critical applications.

Working Principles

The NLV74HC4020ADR2G operates based on the principle of binary counting. It counts the rising edges of the clock signal applied to the CP pin and divides the input frequency accordingly. The built-in oscillator generates the clock signal internally, eliminating the need for an external clock source. The counter can be reset to its initial state using the MR pin, allowing synchronization with external events.

Detailed Application Field Plans

The NLV74HC4020ADR2G finds applications in various fields, including:

1. Frequency Division: It is used to divide high-frequency signals into lower frequencies required by specific circuits or systems.
2. Time Measurement: The IC enables accurate time measurement by dividing a known frequency into smaller intervals.
3. Event Counting: It can be employed to count the occurrence of specific events, such as pulses or triggers, in digital systems.
4. Clock Generation: The built-in oscillator can serve as a clock source for other components in a digital circuit.

Detailed and Complete Alternative Models

1. CD4020BE: This 14-stage binary counter/divider offers similar functionality and pin configuration to the NLV74HC4020ADR2G. It operates at a wider voltage range (3 V to 18 V) but has a slower maximum clock frequency (12 MHz).
2. MC14020B: Another 14-stage binary counter/divider with comparable features. It operates