SN74HC163PWT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: TSSOP-16
• Essence: The SN74HC163PWT is a 4-bit binary counter that can count up or down depending on the control inputs.
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Number of Counting Stages: 4
• Output Current: ±6 mA
• Propagation Delay: 13 ns (typical)

Detailed Pin Configuration

The SN74HC163PWT has 16 pins arranged as follows:

1. CLR (Clear) - Active low clear input
2. CLK (Clock) - Clock input for counting
3. GND (Ground) - Ground reference
4. D0 (Data Input 0) - Least significant bit of the data input
5. D1 (Data Input 1) - Second least significant bit of the data input
6. D2 (Data Input 2) - Third least significant bit of the data input
7. D3 (Data Input 3) - Most significant bit of the data input
8. VCC (Supply Voltage) - Positive supply voltage
9. Q0 (Output 0) - Least significant bit of the output
10. Q1 (Output 1) - Second least significant bit of the output
11. Q2 (Output 2) - Third least significant bit of the output
12. Q3 (Output 3) - Most significant bit of the output
13. PE (Parallel Enable) - Active high parallel enable input
14. TE (Terminal Count Enable) - Active high terminal count enable input
15. MR (Master Reset) - Active low master reset input
16. QA (Output 0 Complement) - Complementary output of Q0

Functional Features

• Synchronous operation: The counter advances on each clock pulse, ensuring accurate counting.
• Up/Down counting: The direction of counting can be controlled using the up/down control input.
• Parallel load: The counter can be loaded with a preset value in parallel when the parallel enable input is active.
• Terminal count enable: The counter can generate an output signal when it reaches its maximum count value, which can be used for further control purposes.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in time-critical applications. - Synchronous operation ensures accurate and synchronized counting. - Versatile functionality with up/down counting and parallel loading capabilities.

Disadvantages: - Limited number of counting stages (4 bits), suitable for smaller counting tasks. - Requires external clock signal for counting, which may introduce additional complexity in certain applications.

Working Principles

The SN74HC163PWT operates as a synchronous 4-bit binary counter. It counts up or down depending on the control inputs provided. On each clock pulse, the counter advances by one count in the specified direction. The counter can also be loaded with a preset value in parallel when the parallel enable input is active. When the counter reaches its maximum count value, the terminal count enable input can be used to generate an output signal for further control purposes.

Detailed Application Field Plans

The SN74HC163PWT is commonly used in various applications that require counting functionality, such as:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Traffic light control systems

Detailed and Complete Alternative Models

1. SN74HC163N: DIP-16 package, similar specifications and functionality.
2. CD40163BE: DIP-16 package, 4-bit synchronous binary counter with similar characteristics.
3. MC14516B: SOIC-16 package, 4-bit synchronous up/down binary counter.

These alternative models provide similar functionality and can be used as substitutes for the SN74HC163PWT in various applications.

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