MM74HC393SJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital counter
• Characteristics: High-speed operation, low power consumption
• Package: Dual in-line package (DIP)
• Essence: Flip-flop based binary counter
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Maximum Clock Frequency: 50 MHz
• Number of Stages: 2

Detailed Pin Configuration

The MM74HC393SJ has a total of 14 pins. The pin configuration is as follows:

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

Functional Features

• Dual 4-bit binary counter with individual clock inputs
• Asynchronous reset input for clearing the counter
• Outputs can be used as divide-by-n counters by connecting appropriate outputs to the clock inputs
• High-speed operation allows for efficient counting in digital systems
• Low power consumption makes it suitable for battery-powered devices

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient counting in digital systems
• Low power consumption makes it suitable for battery-powered devices
• Asynchronous reset input allows for easy clearing of the counter

Disadvantages

• Limited number of stages (2) may not be sufficient for complex counting applications
• Only supports positive supply voltage (VCC)

Working Principles

The MM74HC393SJ is a flip-flop based binary counter. It counts the number of clock pulses received on its clock inputs and produces corresponding binary outputs. The counter can be reset asynchronously using the reset input. The outputs can also be used as divide-by-n counters by connecting appropriate outputs to the clock inputs.

Detailed Application Field Plans

The MM74HC393SJ is commonly used in various digital applications, including:

1. Frequency division: The outputs of the counter can be used to divide the frequency of an input signal by a specific factor.
2. Event counting: The counter can be used to count the occurrence of specific events or pulses.
3. Timekeeping: The counter can be utilized in timekeeping circuits to measure and display time intervals.

Detailed and Complete Alternative Models

1. CD40193: 4-bit synchronous up/down binary counter
2. SN74LS393: Dual 4-bit binary ripple counter
3. CD4020: 14-stage ripple carry binary counter

These alternative models offer similar functionality and can be used as substitutes for the MM74HC393SJ in different applications.

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