Encyclopedia Entry: 74F162APC

Product Overview

Category

The 74F162APC belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic devices.

Use

This IC is primarily used for binary counter applications in electronic circuits. It can count up or down depending on the input signals received.

Characteristics

• The 74F162APC is a synchronous, presettable, 4-bit binary counter.
• It operates on a wide supply voltage range of 4.5V to 5.5V.
• This IC offers high-speed operation with a maximum clock frequency of 100 MHz.
• It has a low power consumption feature, making it suitable for battery-powered devices.
• The 74F162APC is designed to be compatible with various TTL families.

Package and Quantity

The 74F162APC is available in a 16-pin dual in-line package (DIP). It is commonly sold in reels or tubes containing multiple units, typically in quantities of 25 or more.

Specifications

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

Pin Configuration

The 74F162APC has 16 pins arranged as follows:

+---+--+---+ Q0 --|1 +--+ 16|-- Vcc Q1 --|2 15|-- MR (Master Reset) Q2 --|3 14|-- CP (Clock Pulse) Q3 --|4 13|-- PE (Parallel Enable) GND --|5 12|-- TC (Terminal Count) D0 --|6 11|-- D3 D1 --|7 10|-- D2 D2 --|8 9|-- D1 +----------+

Functional Features

Synchronous Operation

The 74F162APC operates synchronously, meaning that the counting action is synchronized with an external clock pulse. This ensures accurate and reliable counting.

Presettable Counter

This IC allows for presetting the initial count value using the parallel enable (PE) input. It enables flexibility in designing specific counting sequences.

Terminal Count Output

The terminal count (TC) output goes high when the counter reaches its maximum count value. It can be used to trigger external events or control other circuitry.

Master Reset

The master reset (MR) input resets the counter to its initial state when activated. It provides a convenient way to restart the counting process.

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick counting applications.
• Low power consumption makes it suitable for battery-powered devices.
• Compatibility with various TTL families ensures versatility in circuit design.
• Presettable feature offers flexibility in counting sequences.

Disadvantages

• Limited to 4-bit counting, which may not be sufficient for certain applications requiring larger counters.
• Availability of alternative models with additional features may limit its use in more complex designs.

Working Principles

The 74F162APC operates based on the principles of synchronous binary counting. It utilizes flip-flops and logic gates to perform the counting function. The counter advances by one count on each rising edge of the clock pulse, following the preset or previous count value.

Application Field Plans

The 74F162APC finds application in various fields where binary counting is required. Some potential areas of use include: - Digital frequency dividers - Industrial automation systems - Electronic test equipment - Communication devices - Automotive electronics

Alternative Models

While the 74F162APC is a reliable and widely used binary counter, there are alternative models available that offer additional features or higher bit counts. Some popular alternatives include: - 74F163: A 4-bit synchronous binary counter with an asynchronous reset feature. - 74F169: A 4-bit synchronous presettable binary up/down counter with parallel load capability. - 74F193: A 4-bit synchronous binary up/down counter with separate up and down clock inputs.

These alternative models provide options for more complex counting requirements or specific functionalities.

In conclusion, the 74F162APC is a versatile 4-bit binary counter IC that offers high-speed operation, low power consumption, and compatibility with various TTL families. Its synchronous and presettable features make it suitable for a wide range of applications in different fields. However, for more advanced counting needs, alternative models with additional features or higher bit counts can be considered.