MC74HC393ADR2G

Product Overview

Category: Integrated Circuit (IC)

Use: The MC74HC393ADR2G is a dual 4-bit binary ripple counter that belongs to the HC family of high-speed CMOS logic. It is commonly used in digital electronics for counting and frequency division applications.

Characteristics: - High-speed operation - Wide operating voltage range - Low power consumption - Schmitt trigger inputs for noise immunity - Output capability: standard

Package: SOIC-14

Essence: The MC74HC393ADR2G is designed to provide reliable and efficient binary counting functionality in various electronic systems.

Packaging/Quantity: The MC74HC393ADR2G is typically packaged in reels or tubes, with a quantity of 2500 units per reel or 98 units per tube.

Specifications

• Supply Voltage Range: 2V to 6V
• Maximum Clock Frequency: 25 MHz
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3.5 pF
• Output Current: ±25 mA

Pin Configuration

The MC74HC393ADR2G has a total of 14 pins, which are assigned specific functions as follows:

1. Clock Input A
2. Clock Input B
3. Reset Input
4. Output Q0
5. Output Q1
6. Output Q2
7. Output Q3
8. Ground (GND)
9. Output Q3 Complement
10. Output Q2 Complement
11. Output Q1 Complement
12. Output Q0 Complement
13. VCC (Positive Power Supply)
14. Clock Enable Input

Functional Features

• Dual 4-bit binary ripple counter
• Asynchronous reset function
• Outputs can be cascaded for larger count lengths
• Schmitt trigger inputs for improved noise immunity
• High-speed operation allows for efficient counting and frequency division

Advantages and Disadvantages

Advantages: - High-speed operation enables quick counting and frequency division - Wide operating voltage range provides flexibility in various applications - Low power consumption helps conserve energy - Schmitt trigger inputs ensure reliable operation in noisy environments - Output capability is standard, making it compatible with other logic devices

Disadvantages: - Limited count length (4 bits) may not be suitable for applications requiring larger counts - Not suitable for high-frequency applications beyond the specified maximum clock frequency

Working Principles

The MC74HC393ADR2G operates based on the principle of binary counting. It utilizes flip-flops to store and propagate binary values, allowing for sequential counting. The clock inputs trigger the counter to increment or decrement its count value based on the input signals. The asynchronous reset function resets the counter to a specific initial state when activated.

Detailed Application Field Plans

The MC74HC393ADR2G finds applications in various fields, including: 1. Digital frequency dividers 2. Event counters 3. Time delay circuits 4. Industrial control systems 5. Communication equipment 6. Automotive electronics 7. Consumer electronics

Detailed and Complete Alternative Models

1. CD40161BE: 4-bit synchronous binary counter
2. SN74LS93N: 4-bit binary ripple counter
3. CD4020BE: 14-stage binary ripple counter
4. CD4518BE: Dual BCD up-counter
5. CD4029BE: Presettable up/down counter

These alternative models offer similar functionality and can be considered as substitutes for the MC74HC393ADR2G depending on specific requirements.

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