MM74HC4040SJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-speed, synchronous operation, 12-stage binary ripple counter/divider
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MM74HC4040SJ is a high-performance counter/divider IC that can be used in various applications requiring frequency division or counting.
• Packaging/Quantity: The MM74HC4040SJ is typically sold in reels of 250 units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Number of Stages: 12
• Output Current: ±4mA
• Propagation Delay: 15 ns (typical)

Pin Configuration

The MM74HC4040SJ has a total of 16 pins. Here is the detailed pin configuration:

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

• High-speed synchronous operation allows for accurate counting and division.
• 12-stage binary ripple counter/divider provides a wide range of counting possibilities.
• Reset input (MR) allows for easy initialization of the counter.
• Outputs (Q1-Q12) provide the divided clock signals.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient counting and division. - Synchronous operation ensures accurate results. - Compact SOIC package allows for easy integration into various circuit designs. - Wide operating voltage range (2V to 6V) provides flexibility in different applications.

Disadvantages: - Limited number of stages (12) may not be sufficient for certain complex applications requiring higher division ratios. - Propagation delay of 15 ns may introduce timing issues in high-frequency applications.

Working Principles

The MM74HC4040SJ operates as a synchronous 12-stage binary ripple counter/divider. The clock input (CP) triggers the counter to increment its internal state by one on each rising edge of the clock signal. The reset input (MR) can be used to clear the counter and set all outputs to low.

The outputs (Q1-Q12) represent the divided clock signals. Each output represents a different division ratio, allowing for various frequency division possibilities. The counter advances through its stages in a binary sequence, with Q1 being the least significant bit and Q12 being the most significant bit.

Detailed Application Field Plans

The MM74HC4040SJ can be used in a wide range of applications that require frequency division or counting. Some potential application fields include:

1. Digital frequency dividers
2. Clock signal generation
3. Timekeeping circuits
4. Frequency synthesizers
5. Event counters
6. Pulse generators

Alternative Models

Here are some alternative models that offer similar functionality to the MM74HC4040SJ:

1. CD4040BE: 12-stage ripple carry binary counter/divider
2. SN74HC4040N: High-speed 12-stage binary ripple counter/divider
3. MC14040B: 12-stage binary ripple counter/divider

These alternative models can be considered based on specific requirements and availability.

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