CD74HC192NSR

Product Overview

• Category: Integrated Circuit
• Use: Counter/Divider
• Characteristics: High-Speed, CMOS Logic, 4-Bit Synchronous Up/Down Binary Counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HC192NSR is a versatile counter/divider integrated circuit that operates at high speeds and uses CMOS logic. It can count up or down in binary format and is commonly used in digital electronics projects.
• Packaging/Quantity: The CD74HC192NSR is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC (High-Speed CMOS)
• Number of Bits: 4
• Counting Modes: Up, Down, Up/Down
• Clock Input: Positive Edge-Triggered
• Maximum Clock Frequency: 25 MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CD74HC192NSR has a total of 16 pins. Here is the detailed pin configuration:

1. CP (Clock Pulse) - Clock input for counting operation
2. MR (Master Reset) - Resets the counter to zero when active low
3. U/D (Up/Down) - Determines the counting direction (high for up, low for down)
4. D0-D3 (Data Inputs) - Binary inputs for setting the initial count value
5. QA-QD (Outputs) - Binary outputs representing the current count value
6. GND (Ground) - Ground reference for the IC
7. VCC (Power Supply) - Positive power supply voltage

Functional Features

• Synchronous Operation: The CD74HC192NSR performs counting operations synchronously with the clock input, ensuring accurate and reliable results.
• Up/Down Counting: It can count up or down based on the state of the U/D pin, providing flexibility in various applications.
• Parallel Load: The initial count value can be set by applying the desired binary inputs (D0-D3) while the MR pin is low.
• Reset Function: The counter can be reset to zero by activating the MR pin.
• High-Speed Operation: With a maximum clock frequency of 25 MHz, the CD74HC192NSR is suitable for high-speed digital circuits.

Advantages and Disadvantages

Advantages: - Versatile counter/divider for various digital applications - High-speed operation allows for efficient counting - CMOS logic ensures low power consumption - Synchronous operation provides accurate results - Up/down counting capability adds flexibility

Disadvantages: - Limited to 4-bit counting range - Requires external clock signal for operation - Not suitable for applications requiring larger counting ranges

Working Principles

The CD74HC192NSR operates based on the principles of synchronous binary counting. When the clock pulse (CP) is applied, the counter increments or decrements its current count value based on the state of the U/D pin. The binary outputs (QA-QD) represent the current count value, which can be used for further processing or display purposes. The counter can be reset to zero using the master reset (MR) pin.

Detailed Application Field Plans

The CD74HC192NSR finds applications in various fields, including:

1. Digital Counters: Used in electronic devices that require counting functionality, such as frequency dividers, timers, and event counters.
2. Industrial Automation: Integrated into control systems for monitoring and controlling processes that involve counting or timing operations.
3. Communication Systems: Employed in digital communication systems for data synchronization and timing purposes.
4. Automotive Electronics: Utilized in automotive applications, such as odometers, speedometers, and engine control units.

Detailed and Complete Alternative Models

1. CD74HC193NSR: Similar to CD74HC192NSR but with additional features like carry/borrow outputs for cascading multiple counters.
2. CD40192BE: A 4-bit synchronous up/down counter from a different logic family (CMOS) with similar functionality.
3. SN74LS192N: A 4-bit synchronous up/down counter from the TTL logic family, offering compatibility with older systems.

(Note: The above alternative models are just a few examples; there are several other alternatives available in the market.)

This encyclopedia entry provides an overview of the CD74HC192NSR integrated circuit, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.