Encyclopedia Entry: 74F163APC

Product Overview

Category

The 74F163APC belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital counters.

Use

This IC is primarily used for counting purposes in various electronic applications. It can be employed in digital systems where precise counting and timing operations are required.

Characteristics

• The 74F163APC is a synchronous, presettable, 4-bit binary counter.
• It operates on a supply voltage range of 4.5V to 5.5V.
• This IC offers high-speed operation with a maximum clock frequency of 100MHz.
• It features asynchronous parallel load capability, allowing users to preset the initial count value.
• The 74F163APC has a compact package size, making it suitable for space-constrained designs.

Package and Quantity

The 74F163APC is available in a 16-pin dual in-line package (DIP). Each package contains one IC.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Maximum Clock Frequency: 100MHz
• Number of Bits: 4
• Package Type: 16-pin DIP

Pin Configuration

The pin configuration of the 74F163APC is as follows:

+---+--+---+ CLR |1 +--+ 16| Vcc CLK |2 15| Q0 LD |3 14| Q1 D0 |4 13| Q2 D1 |5 74F163APC 12| Q3 D2 |6 11| GND D3 |7 10| PE ENT |8 9| CLK INH +----------+

Functional Features

• Synchronous Counting: The 74F163APC performs counting operations synchronously with the clock signal.
• Presettable: It allows users to set an initial count value using the parallel load (LD) input.
• Asynchronous Clear: The counter can be reset to zero using the clear (CLR) input, regardless of the clock signal.
• Carry Output: The carry output (Q3) provides a signal when the counter reaches its maximum count value.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient counting in time-critical applications.
• Compact package size makes it suitable for space-constrained designs.
• Presettable feature allows flexibility in initializing the counter.
• Asynchronous clear input provides easy reset functionality.

Disadvantages

• Limited to 4-bit counting, which may not be sufficient for certain applications requiring larger counters.
• Requires an external clock signal for proper operation.

Working Principles

The 74F163APC operates based on synchronous counting principles. When the clock signal (CLK) transitions from low to high, the counter increments its count value by one. The parallel load (LD) input allows users to preset the initial count value. The clear (CLR) input resets the counter to zero asynchronously, irrespective of the clock signal. The carry output (Q3) provides a signal when the counter reaches its maximum count value, allowing cascading of multiple counters if required.

Application Field Plans

The 74F163APC finds applications in various digital systems that require precise counting and timing operations. Some potential application fields include: 1. Digital frequency dividers 2. Event counters 3. Timer circuits 4. Industrial automation systems 5. Communication equipment

Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74F163APC. Some notable alternatives include: - 74HC163: A CMOS version of the counter with improved power efficiency. - CD40163: A complementary metal-oxide-semiconductor (CMOS) counter with asynchronous reset capability. - SN74LS163A: A low-power Schottky TTL counter with synchronous parallel load capability.

These alternative models can be considered based on specific design requirements and compatibility with the existing system.

In conclusion, the 74F163APC is a versatile 4-bit binary counter IC used in various digital systems for counting and timing operations. Its high-speed operation, presettable feature, and compact package make it suitable for a wide range of applications.