SN74LS92N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: TTL Logic, 4-bit Binary Counter
• Package: DIP (Dual In-line Package)
• Essence: High-speed, low-power consumption counter
• Packaging/Quantity: Available in tubes of 25 pieces or reels of 2,000 pieces

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: 0°C to 70°C
• Maximum Clock Frequency: 42 MHz
• Number of Counting Stages: 4
• Output Type: TTL (Transistor-Transistor Logic)
• Propagation Delay: 15 ns (typical)

Detailed Pin Configuration

The SN74LS92N has a total of 14 pins. The pin configuration is as follows:

1. CLK (Clock Input)
2. RCO (Ripple Carry Output)
3. QD (Least Significant Bit Output)
4. QC (Second Least Significant Bit Output)
5. QB (Second Most Significant Bit Output)
6. QA (Most Significant Bit Output)
7. GND (Ground)
8. VCC (Power Supply)
9. BCD A (Binary-Coded Decimal Input A)
10. BCD B (Binary-Coded Decimal Input B)
11. BCD C (Binary-Coded Decimal Input C)
12. BCD D (Binary-Coded Decimal Input D)
13. MR (Master Reset)
14. NC (No Connection)

Functional Features

• The SN74LS92N is a synchronous 4-bit binary counter.
• It counts up from 0 to 15 and then resets back to 0.
• The counting sequence can be controlled by an external clock signal.
• It provides a ripple carry output (RCO) for cascading multiple counters.
• The counter can be reset to 0 using the master reset (MR) input.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting. - Low-power consumption makes it suitable for battery-powered devices. - Compact DIP package enables easy integration into circuit boards. - Ripple carry output simplifies cascading of multiple counters.

Disadvantages: - Limited counting range from 0 to 15. - Requires an external clock signal for proper operation. - Not suitable for applications requiring larger counting ranges.

Working Principles

The SN74LS92N operates based on synchronous binary counting principles. It uses a clock signal to increment its internal counter by one at each rising edge of the clock. When the count reaches 15, it automatically resets back to 0. The master reset input can also be used to manually reset the counter to 0 at any time. The outputs represent the binary value of the current count.

Detailed Application Field Plans

The SN74LS92N is commonly used in various applications, including:

1. Digital frequency dividers
2. Event counters
3. Industrial control systems
4. Timing circuits
5. Electronic games
6. Instrumentation equipment

Its compact size, low power consumption, and reliable performance make it suitable for these applications.

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the SN74LS92N are:

1. CD40192 - CMOS 4-bit Synchronous Up/Down Binary Counter
2. MC14040 - CMOS 12-Stage Binary Counter
3. 74HC393 - High-Speed CMOS Logic Dual 4-Stage Binary Ripple Counter

These alternatives offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the SN74LS92N is a 4-bit binary counter IC that operates on TTL logic. It offers high-speed counting, low-power consumption, and comes in a DIP package. While it has limitations in terms of counting range, it is widely used in various applications such as frequency dividers, event counters, and industrial control systems. Alternative models like CD40192 and MC14040 provide similar functionality with slight variations.