MC74HC393ADG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital counter
• Characteristics: High-speed operation, low power consumption
• Package: SOIC-16
• Essence: Dual 4-bit binary ripple counter
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature: -55°C to +125°C
• Propagation Delay: 15 ns (typical)
• Maximum Clock Frequency: 25 MHz

Pin Configuration

The MC74HC393ADG has a total of 16 pins. The pin configuration is as follows:

1. Clock Input A (CLKA)
2. Clock Input B (CLKB)
3. Reset Input (RST)
4. Output Q0
5. Output Q1
6. Output Q2
7. Output Q3
8. Ground (GND)
9. Output Q4
10. Output Q5
11. Output Q6
12. Output Q7
13. Carry Output (CO)
14. Carry Input (CI)
15. Clock Enable (CE)
16. Supply Voltage (VCC)

Functional Features

• Dual 4-bit binary ripple counter
• Synchronous reset function
• Asynchronous parallel load capability
• Carry output for cascading multiple counters
• High-speed operation with minimal power consumption

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in digital systems - Low power consumption helps conserve energy - Synchronous reset function ensures reliable operation - Asynchronous parallel load capability enables easy initialization - Carry output facilitates cascading of multiple counters

Disadvantages: - Limited maximum clock frequency of 25 MHz - Requires a supply voltage between 2V and 6V

Working Principles

The MC74HC393ADG is a dual 4-bit binary ripple counter that operates by counting clock pulses. It has two independent counters, each capable of counting from 0 to 15 (binary). The counters can be reset synchronously using the reset input or asynchronously using the parallel load capability.

The carry output allows for cascading multiple counters, enabling the creation of larger counter configurations. The counter operates at high speed with minimal power consumption, making it suitable for various digital applications.

Detailed Application Field Plans

The MC74HC393ADG is commonly used in digital systems that require counting functionality. Some specific application fields include:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Communication equipment
6. Automotive electronics
7. Consumer electronics

Alternative Models

Here are some alternative models that provide similar functionality:

1. CD40193BE - CMOS 4-Bit Binary Up/Down Counter
2. SN74LS393N - Dual 4-Bit Binary Ripple Counter
3. CD54HC393F3A - High-Speed CMOS Logic Dual 4-Stage Binary Ripple Counter

These alternatives can be considered based on specific requirements and availability.

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