Encyclopedia Entry: 74F193PC

Product Overview

Category

The 74F193PC is a digital integrated circuit (IC) belonging to the category of synchronous presettable binary counters.

Use

This IC is primarily used in digital electronics for counting and frequency division applications.

Characteristics

• Synchronous operation: The 74F193PC operates synchronously, meaning that all internal operations are synchronized with an external clock signal.
• Presettable: It allows users to set an initial value by loading it into the counter before counting starts.
• Binary counting: The IC counts in binary, where each output represents a specific binary value.
• High-speed operation: The 74F193PC is designed for high-speed operation, making it suitable for time-critical applications.
• Low power consumption: It consumes low power, making it energy-efficient.

Package and Quantity

The 74F193PC is available in a 16-pin DIP (Dual Inline Package) format. It is commonly sold in packs of 10 or more.

Specifications

• Supply voltage: 4.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Maximum clock frequency: 100 MHz
• Maximum propagation delay: 15 ns
• Input/output logic levels: TTL compatible

Pin Configuration

The 74F193PC has 16 pins, each serving a specific function. The pin configuration is as follows:

1. CP (Clock Pulse): Input pin for the clock signal.
2. MR (Master Reset): Input pin for resetting the counter to its initial state.
3. P0-P3 (Preset Inputs): Input pins for setting the initial count value.
4. QA-QD (Outputs): Output pins representing the binary count value.

Functional Features

• Up/Down Counting: The 74F193PC can count up or down based on the input signals.
• Ripple Carry Output: It provides a carry output signal that can be cascaded with other counters for higher counting ranges.
• Parallel Load: The preset inputs allow users to load a specific count value into the counter before counting starts.
• Synchronous Operation: All internal operations are synchronized with the clock signal, ensuring accurate and reliable counting.

Advantages and Disadvantages

Advantages

• High-speed operation allows for time-critical applications.
• Low power consumption makes it energy-efficient.
• Presettable feature enables flexibility in initial count values.
• Synchronous operation ensures accurate counting.

Disadvantages

• Limited counting range compared to some other counter ICs.
• Requires an external clock signal for operation.

Working Principles

The 74F193PC operates based on synchronous binary counting principles. When the clock pulse is received, the counter increments or decrements its count value based on the input signals. The preset inputs allow users to set an initial count value, which is loaded into the counter before counting starts. The ripple carry output can be used to cascade multiple counters for extended counting ranges.

Application Field Plans

The 74F193PC finds applications in various fields where counting and frequency division are required. Some of the detailed application field plans include:

1. Digital frequency dividers in communication systems.
2. Industrial automation for counting and control purposes.
3. Timing circuits in electronic devices.
4. Sequential logic circuits in computer architecture.
5. Frequency synthesizers in radio transmitters.

Alternative Models

For those seeking alternative options, several similar ICs can serve as alternatives to the 74F193PC. These include:

1. 74LS193: A low-power Schottky version of the 74F193PC.
2. CD40193: A CMOS-based binary counter IC.
3. 74HC193: A high-speed CMOS version of the 74F193PC.

These alternative models offer similar functionalities and can be used as replacements depending on specific requirements.

In conclusion, the 74F193PC is a synchronous presettable binary counter IC that finds applications in various fields. Its high-speed operation, low power consumption, and presettable features make it a versatile choice for counting and frequency division applications.