MC74HC393ADTR2G

Product Overview

• Category: Integrated Circuit
• Use: Digital Counter/Divider
• Characteristics: High-Speed, Dual 4-Bit Binary Ripple Counter
• Package: TSSOP-14
• Essence: The MC74HC393ADTR2G is a dual 4-bit binary ripple counter that operates at high speed and is commonly used in digital circuits for counting and dividing signals.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Maximum Clock Frequency: 74 MHz
• Number of Pins: 14
• Logic Family: HC

Pin Configuration

The MC74HC393ADTR2G has a total of 14 pins. Here is the detailed pin configuration:

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

Functional Features

• Dual 4-bit binary ripple counter
• High-speed operation
• Can be cascaded to create larger counters
• Reset input for clearing the counter
• Enable input for controlling the counting operation
• Clock enable input and output for synchronizing multiple counters

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting and dividing of signals - Dual counter configuration provides flexibility in circuit design - Can be easily cascaded to create larger counters - Reset and enable inputs offer control over the counting operation

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters - Requires external clock signal for operation

Working Principles

The MC74HC393ADTR2G operates based on the principle of binary ripple counting. It counts the number of clock pulses received at the Clock Input A and Clock Input B pins and outputs the corresponding binary values on the QA, QB, QC, and QD pins. The counter can be reset using the Reset Input pin, and the counting operation can be enabled or disabled using the Enable Input pin. The Clock Enable Input and Output pins allow for synchronization of multiple counters.

Detailed Application Field Plans

The MC74HC393ADTR2G is commonly used in various digital applications that require counting and dividing signals. Some of the specific application fields include:

1. Frequency Division: The counter can be used to divide an input frequency by a factor of 16 (2^4) or other powers of 2.
2. Time Delay Generation: By utilizing the counter's clock input and output, precise time delays can be generated in digital circuits.
3. Event Counting: The counter can be used to count events or pulses occurring at regular intervals.
4. Digital Control Systems: The counter can be integrated into digital control systems for various purposes, such as sequencing or timing operations.

Detailed and Complete Alternative Models

Here are some alternative models that provide similar functionality to the MC74HC393ADTR2G:

1. CD4017BE: Decade Counter/Divider with 10 outputs and a wide supply voltage range.
2. SN74LS93N: 4-bit Binary Ripple Counter with asynchronous reset and higher operating temperature range.
3. HEF4020BP: 14-stage Binary Counter with a higher number of stages for larger counting applications.

These alternative models offer similar features and can be used as substitutes depending on specific requirements.

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