CD74HC4040NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-Speed, CMOS Logic, 12-Stage Binary Ripple Counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HC4040NSR is a high-speed CMOS logic IC that functions as a 12-stage binary ripple counter. It is commonly used in digital electronics for counting and dividing signals.
• Packaging/Quantity: The CD74HC4040NSR is available in a reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC
• Number of Stages: 12
• Maximum Clock Frequency: 50 MHz
• Propagation Delay: 15 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC4040NSR has a total of 16 pins arranged as follows:

1. Pin 1: Clock Input (CP)
2. Pin 2: Reset Input (MR)
3. Pin 3: Output Q12
4. Pin 4: Output Q11
5. Pin 5: Output Q10
6. Pin 6: Output Q9
7. Pin 7: Output Q8
8. Pin 8: Output Q7
9. Pin 9: Output Q6
10. Pin 10: Output Q5
11. Pin 11: Output Q4
12. Pin 12: Output Q3
13. Pin 13: Output Q2
14. Pin 14: Output Q1
15. Pin 15: Ground (GND)
16. Pin 16: Supply Voltage (VCC)

Functional Features

• The CD74HC4040NSR is a 12-stage binary ripple counter that can count up to 4096.
• It has a synchronous reset input (MR) which allows resetting the counter to zero.
• The counter advances on the rising edge of the clock input (CP).
• Each output (Q1-Q12) represents a different stage of the counter.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Compact SOIC package - Synchronous reset functionality

Disadvantages: - Limited number of stages (12) - Propagation delay may affect timing-sensitive applications

Working Principles

The CD74HC4040NSR operates based on the principle of binary counting. It uses flip-flops to store and propagate the count value. On each rising edge of the clock input, the counter advances by one count. The synchronous reset input allows resetting the counter to zero when required.

Detailed Application Field Plans

The CD74HC4040NSR finds applications in various digital electronic systems, including:

1. Frequency Division: It can be used as a frequency divider to generate lower-frequency signals from higher-frequency inputs.
2. Time Delay Generation: By utilizing the propagation delay of the counter, precise time delays can be achieved.
3. Event Sequencing: The counter can be used to sequence events or control the timing of operations in a system.
4. Digital Clocks: It can be employed in digital clock circuits to divide the clock frequency and generate different time intervals.

Detailed and Complete Alternative Models

Some alternative models to the CD74HC4040NSR include:

1. CD4020BE: 14-Stage Binary Ripple Counter
2. CD4060BE: 14-Stage Ripple Carry Binary Counter/Divider
3. CD4516BE: Presettable Binary Up/Down Counter

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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