SN74LS193DR

Product Overview

Category

SN74LS193DR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a synchronous 4-bit binary up/down counter.

Characteristics

• Synchronous operation
• High-speed performance
• Low power consumption
• Wide operating voltage range
• TTL compatible inputs
• Schottky-clamped for high-performance applications

Package

SN74LS193DR is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74LS193DR lies in its ability to count up or down based on the input signals and provide the corresponding output.

Packaging/Quantity

SN74LS193DR is typically sold in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 30 MHz
• Maximum Counting Range: 0 to 15 (binary)

Detailed Pin Configuration

1. CLK (Clock Input)
2. UP/DOWN (Up/Down Control Input)
3. PRESET (Preset Input)
4. ENABLE (Enable Input)
5. A (Binary Input A)
6. B (Binary Input B)
7. C (Binary Input C)
8. D (Binary Input D)
9. QA (Output A)
10. QB (Output B)
11. QC (Output C)
12. QD (Output D)
13. GND (Ground)
14. NC (No Connection)
15. VCC (Supply Voltage)
16. NC (No Connection)

Functional Features

• Synchronous counting: The counter advances or decreases by one on each clock pulse, based on the UP/DOWN control input.
• Preset capability: The counter can be preset to any desired value using the PRESET input.
• Enable/disable functionality: The counter can be enabled or disabled using the ENABLE input.
• Binary output: The counter provides four binary outputs (QA, QB, QC, QD) representing the current count value.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient counting in time-critical applications.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range ensures compatibility with various systems.
• TTL compatible inputs enable easy integration with other digital circuits.
• Schottky clamping enhances performance in high-frequency applications.

Disadvantages

• Limited counting range of 0 to 15 may not be sufficient for certain applications requiring larger counts.
• Lack of additional features such as parallel load or ripple carry output may limit its versatility in complex designs.

Working Principles

SN74LS193DR operates based on synchronous counting principles. The counter advances or decreases by one on each rising edge of the clock signal, depending on the state of the UP/DOWN control input. The counter can also be preset to a specific value using the PRESET input. The ENABLE input allows for enabling or disabling the counter. The binary outputs represent the current count value.

Detailed Application Field Plans

SN74LS193DR finds applications in various fields, including: 1. Digital frequency dividers 2. Industrial automation 3. Counter-based control systems 4. Electronic gaming devices 5. Timekeeping circuits 6. Traffic light controllers 7. Sequential logic circuits 8. Data communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LS193DR include: 1. CD4516BE 2. MC14516B 3. 74HC193 4. CD74HCT193E 5. 74F193

These alternative models can be considered based on specific requirements and availability.

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