MC74HC393AN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Counter
• Characteristics: High-Speed, Dual 4-Bit Binary Ripple Counter
• Package: DIP-14 (Dual In-Line Package with 14 pins)
• Essence: The MC74HC393AN is a versatile counter IC that can be used in various digital applications.
• Packaging/Quantity: Available in tubes of 25 pieces or reels of 2,000 pieces.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC (High-Speed CMOS)
• Number of Counters: 2 (Dual)
• Number of Bits: 4-Bit Binary
• Maximum Clock Frequency: 74 MHz
• Propagation Delay: 13 ns
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HC393AN has a total of 14 pins. Here is the detailed pin configuration:

1. Clock Input A (Pin 1)
2. Clock Input B (Pin 2)
3. Reset Input (Pin 3)
4. Output QA (Pin 4)
5. Output QB (Pin 5)
6. Output QC (Pin 6)
7. Output QD (Pin 7)
8. Ground (Pin 8)
9. Output QD (Pin 9)
10. Output QC (Pin 10)
11. Output QB (Pin 11)
12. Output QA (Pin 12)
13. Reset Input (Pin 13)
14. Clock Enable Input (Pin 14)

Functional Features

• Dual 4-bit binary ripple counter with separate clock inputs and reset inputs.
• Can count up to 16 different states.
• Outputs can be cascaded to create larger counters.
• High-speed operation with a maximum clock frequency of 74 MHz.
• Low power consumption due to CMOS technology.

Advantages and Disadvantages

Advantages: - Versatile counter IC suitable for various digital applications. - High-speed operation allows for quick counting. - Can be easily cascaded to create larger counters. - Wide operating voltage range (2V to 6V) provides flexibility.

Disadvantages: - Propagation delay of 13 ns may limit its use in certain high-speed applications. - Limited number of bits (4-bit) restricts the maximum count value.

Working Principles

The MC74HC393AN operates as a ripple counter, where each flip-flop output serves as the clock input for the next stage. The clock inputs A and B control the counting sequence, while the reset input resets the counter to its initial state. The outputs QA, QB, QC, and QD represent the binary count values from 0 to 15.

Detailed Application Field Plans

The MC74HC393AN can be used in various digital applications, including: 1. Frequency division circuits 2. Digital clocks and timers 3. Event counters 4. Industrial automation systems 5. Data processing units 6. Traffic light controllers 7. Robotics and control systems

Alternative Models

Here are some alternative models that offer similar functionality: 1. CD40193 - CMOS Presettable Up/Down Counter 2. SN74LS393 - Dual 4-Bit Binary Counter 3. CD4020 - CMOS Ripple-Carry Binary Counter/Divider

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

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