SN74LS393NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual 4-Bit Binary Counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-speed, low-power TTL logic
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 33 MHz
• Number of Pins: 14
• Logic Family: LS-TTL (Low Power Schottky Transistor-Transistor Logic)

Detailed Pin Configuration

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

Functional Features

• Dual 4-bit binary counter with individual clock inputs
• Asynchronous clear input for resetting the counter
• Outputs can be used as ripple-carry inputs for cascading multiple counters
• High-speed operation with low power consumption
• Compatible with other TTL logic families

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient digital signal processing - Low power consumption reduces energy requirements - Compatibility with other TTL logic families enables easy integration into existing systems

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters - Requires external components for more complex operations

Working Principles

The SN74LS393NSR is a dual 4-bit binary counter that counts up from 0 to 15. It operates based on the clock inputs A and B, which increment the count by one on each rising edge. The clear input resets the counter to 0 when activated. The outputs Q0 to Q3 represent the binary count in parallel form.

Detailed Application Field Plans

1. Digital Counters: The SN74LS393NSR can be used in various digital counting applications, such as frequency dividers, timers, and event counters.
2. Data Processing: It can be employed in data processing systems where binary counting is required, such as address generation in memory devices.
3. Industrial Control Systems: The counter can be utilized in industrial control systems for monitoring and controlling processes that require precise counting.

Detailed and Complete Alternative Models

1. CD40193BE: 4-Bit Binary Up/Down Counter
2. MC14040BCP: 12-Bit Binary Counter
3. SN74HC393N: Dual 4-Bit Binary Ripple Counter

These alternative models offer similar functionality and can be considered as alternatives to the SN74LS393NSR depending on specific requirements.

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