CD74HC4520M96G4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Counter/Divider
• Characteristics: High-Speed, CMOS Logic, Dual Binary Ripple Counter
• Package: SOIC-16
• Essence: The CD74HC4520M96G4 is a dual binary ripple counter that can count up or down depending on the input signals.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: HC
• Number of Stages: 14
• Maximum Clock Frequency: 25 MHz
• Propagation Delay: 15 ns
• Output Current: ±5.2 mA
• Input Capacitance: 3.5 pF
• Output Capacitance: 8 pF

Detailed Pin Configuration

The CD74HC4520M96G4 has a total of 16 pins arranged as follows:

1. Pin 1: Clock Input A
2. Pin 2: Clock Input B
3. Pin 3: Reset Input
4. Pin 4: Enable Input
5. Pin 5: Data Input A
6. Pin 6: Data Input B
7. Pin 7: Carry Output
8. Pin 8: Borrow Output
9. Pin 9: Q0 Output
10. Pin 10: Q1 Output
11. Pin 11: Q2 Output
12. Pin 12: Q3 Output
13. Pin 13: Q4 Output
14. Pin 14: Q5 Output
15. Pin 15: VCC (Supply Voltage)
16. Pin 16: GND (Ground)

Functional Features

• Dual binary ripple counter with synchronous reset and enable inputs
• Can count up or down based on the input signals
• Carry and borrow outputs for cascading multiple counters
• High-speed operation with low power consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Versatile counter/divider IC suitable for various applications
• Easy to integrate into digital circuits
• Synchronous reset and enable inputs provide flexibility in counting operations
• High-speed operation allows for efficient counting tasks
• Low power consumption helps in reducing overall system power requirements

Disadvantages

• Limited number of stages (14) may not be sufficient for complex counting tasks
• Requires external clock and data inputs for proper operation
• May require additional circuitry for specific applications

Working Principles

The CD74HC4520M96G4 is a dual binary ripple counter that operates based on the clock and data inputs provided. It can count up or down depending on the logic levels applied to the clock inputs (A and B). The counter advances one step for each clock pulse received.

The counter can be reset to its initial state using the reset input. The enable input allows for enabling or disabling the counting operation. When enabled, the counter counts according to the clock inputs. When disabled, the counter holds its current state.

The carry and borrow outputs are used for cascading multiple counters together to achieve higher counting ranges. These outputs indicate when the counter reaches its maximum or minimum value.

Detailed Application Field Plans

The CD74HC4520M96G4 is widely used in various digital applications that require counting or dividing functions. Some common application fields include:

1. Frequency Division: The counter can be used to divide an input frequency by a specific factor, allowing for frequency scaling or synchronization in digital systems.

2. Timekeeping: The counter can be utilized in timekeeping circuits to keep track of elapsed time or generate precise timing signals.

3. Event Counting: It can be employed in event counting applications, such as counting the number of pulses generated by a sensor or detecting specific events in a system.

4. Digital Control Systems: The counter can be integrated into digital control systems to implement sequential logic operations or generate control signals based on specific counting conditions.

Detailed and Complete Alternative Models

1. CD74HC4040M96G4: 12-stage binary ripple counter with similar characteristics and package.
2. CD74HC163M96G4: 4-bit synchronous binary counter with parallel load capability.
3. CD74HC191M96G4: 4-bit synchronous up/down binary counter with presettable load and carry/borrow outputs.

These alternative models offer similar functionality and can be considered as alternatives to the CD74HC4520M96G4 depending on specific application requirements.

Word count: 607 words