SN74LS163AD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: 4-bit synchronous binary counter, operates on positive-edge clock transitions, synchronous reset, parallel load capability
• Package: DIP (Dual In-line Package)
• Essence: High-performance TTL logic IC for counting applications
• Packaging/Quantity: Available in tubes of 25 pieces or reels of 2,000 pieces

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 30 MHz
• Maximum Counting Range: 0 to 15 (4 bits)
• Input/Output Logic Levels: TTL compatible
• Propagation Delay: 18 ns (typical)

Detailed Pin Configuration

The SN74LS163AD has a total of 16 pins, which are assigned as follows:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CP0 (Parallel Load Input)
4. CP1 (Parallel Load Input)
5. CP2 (Parallel Load Input)
6. CP3 (Parallel Load Input)
7. Q0 (Least Significant Bit Output)
8. Q1 (Output)
9. Q2 (Output)
10. Q3 (Most Significant Bit Output)
11. GND (Ground)
12. QD (Carry Output)
13. VCC (Positive Power Supply)
14. CE (Enable Input)
15. T (Terminal Count Output)
16. PE (Preset Enable Input)

Functional Features

• Synchronous operation: The counter advances on each positive-edge clock transition.
• Synchronous reset: The counter can be reset to zero synchronously using the master reset input (MR).
• Parallel load capability: The counter can be loaded with a preset value using the parallel load inputs (CP0-CP3).
• Carry output: The carry output (QD) indicates when the counter reaches its maximum count.
• Terminal count output: The terminal count output (T) goes high when the counter reaches its maximum count.

Advantages and Disadvantages

Advantages: - High-performance TTL logic IC with fast propagation delay. - Synchronous operation ensures accurate counting. - Synchronous reset allows easy initialization of the counter. - Parallel load capability provides flexibility in presetting the counter value.

Disadvantages: - Limited counting range of 4 bits (0 to 15). - Requires an external clock signal for operation.

Working Principles

The SN74LS163AD is a synchronous binary counter that operates on positive-edge clock transitions. When the clock input (CLK) receives a positive-edge transition, the counter advances by one count. The counter can be reset to zero by applying a high signal to the master reset input (MR). Additionally, the counter can be loaded with a preset value by activating the parallel load inputs (CP0-CP3).

Detailed Application Field Plans

The SN74LS163AD is commonly used in various applications, including: 1. Digital frequency counters 2. Industrial automation systems 3. Electronic test equipment 4. Communication devices 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SN74LS163AD include: 1. CD40163BE: CMOS 4-bit synchronous binary counter 2. MC14093BCP: CMOS 4-bit binary ripple counter 3. 74HC163N: High-speed CMOS 4-bit synchronous binary counter 4. CD54HC163F3A: High-speed CMOS 4-bit synchronous binary counter

These alternative models offer similar functionality but may have different characteristics and package options.

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