MM74HC4040M

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 MM74HC4040M 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 MM74HC4040M is available in a standard SOIC package and is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC (High-Speed CMOS)
• Number of Stages: 12
• Maximum Clock Frequency: 25 MHz
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±4mA
• Propagation Delay: 13 ns (typical)

Pin Configuration

The MM74HC4040M has a total of 16 pins arranged as follows:

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| | 1 | | 16 |_______| ```

Pin Description: 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 MM74HC4040M is a binary ripple counter that can count up to 4096 (2^12) states.
• It has a synchronous reset function (MR) that allows the counter to be reset 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, providing a binary representation of the current count.

Advantages and Disadvantages

Advantages: - High-speed operation due to CMOS technology. - Wide supply voltage range allows for flexibility in various applications. - Compact SOIC package enables space-saving designs. - Synchronous reset feature provides control over counter initialization.

Disadvantages: - Limited maximum clock frequency compared to some other counter ICs. - Output current capability may not be sufficient for certain applications requiring higher drive strength.

Working Principles

The MM74HC4040M operates based on the principle of binary counting using flip-flops. Each flip-flop represents a stage of the counter, and the outputs provide a binary representation of the current count. The counter advances by one on each rising edge of the clock input. The synchronous reset input allows the counter to be cleared to zero when desired.

Detailed Application Field Plans

The MM74HC4040M finds applications in various fields where counting and dividing signals are required. Some common application areas include:

1. Frequency Division: The counter can be used to divide an input frequency by a factor of 4096, allowing for frequency reduction or synchronization in digital systems.
2. Timing Generation: By utilizing the outputs of the counter, precise timing signals can be generated for controlling events in applications such as digital clocks, timers, and sequential logic circuits.
3. Data Encoding/Decoding: The binary outputs of the counter can be used for encoding or decoding purposes in communication systems or data processing applications.

Detailed and Complete Alternative Models

• CD4040BE: 12-Stage Ripple Carry Binary Counter
• SN74HC4040N: High-Speed CMOS Logic 12-Stage Binary Ripple Counter
• HEF4040BP: 12-Stage Binary Ripple Counter

These alternative models offer similar functionality to the MM74HC4040M and can be considered as alternatives based on specific requirements or availability.

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