NE556DRE4

Overview

NE556DRE4 is a versatile integrated circuit (IC) that belongs to the NE556 series. It is widely used in various electronic applications due to its reliable performance and flexible functionality. This encyclopedia entry provides an in-depth understanding of NE556DRE4, including its product category, use, characteristics, package, essence, packaging/quantity, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Product Category

NE556DRE4 falls under the category of dual precision timers. It is specifically designed to provide accurate timing functions in electronic circuits.

Use

The primary use of NE556DRE4 is to generate precise time delays, oscillations, and pulse-width modulation (PWM) signals. It finds extensive applications in various fields such as telecommunications, industrial automation, consumer electronics, and automotive systems.

Characteristics

• Dual timer functionality
• Wide operating voltage range: 4.5V to 16V
• Low power consumption
• High output current capability
• Excellent temperature stability
• Compact and durable package design

Package

NE556DRE4 is available in a small-sized package known as SOIC-14 (Small Outline Integrated Circuit). This package ensures easy integration into electronic circuits and provides protection against environmental factors.

Essence

The essence of NE556DRE4 lies in its ability to accurately measure and control time intervals, making it an essential component in timing-sensitive applications.

Packaging/Quantity

NE556DRE4 is typically packaged in reels or tubes, with each reel containing 2500 units or each tube containing 75 units.

Specifications

• Supply Voltage Range: 4.5V to 16V
• Operating Temperature Range: -40°C to +125°C
• Timing Capacitance Range: 100pF to 100μF
• Output Current: 200mA

Pin Configuration

NE556DRE4 features a total of 14 pins, each serving a specific function. The detailed pin configuration is as follows:

1. GND (Ground)
2. TRIG (Trigger Input)
3. OUT (Output)
4. RESET (Reset Input)
5. CTRL (Control Voltage Input)
6. THRES (Threshold Input)
7. DISCH (Discharge Output)

8. VCC (Positive Power Supply)

9. GND (Ground)

10. TRIG (Trigger Input)
11. OUT (Output)
12. RESET (Reset Input)
13. CTRL (Control Voltage Input)
14. THRES (Threshold Input)

Functional Features

NE556DRE4 offers the following functional features:

• Dual independent timers in a single package
• Adjustable timing intervals through external resistors and capacitors
• Monostable (one-shot) or astable (oscillator) operation modes
• Trigger and reset inputs for precise control
• Control voltage input for modulation purposes

Advantages and Disadvantages

Advantages: - Accurate and reliable timing functionality - Wide operating voltage range allows compatibility with various systems - Low power consumption for energy-efficient applications - Compact package design enables space-saving integration - Excellent temperature stability ensures consistent performance

Disadvantages: - Limited output current may restrict certain high-power applications - External components required for precise timing adjustments

Working Principles

NE556DRE4 operates based on the principles of an internal comparator, flip-flops, and control circuitry. It utilizes external resistors and capacitors to determine the timing intervals. The trigger and reset inputs control the start and stop of the timing cycle, while the control voltage input modulates the timing characteristics.

Detailed Application Field Plans

NE556DRE4 finds extensive application in various fields, including:

1. Telecommunications: Timing synchronization, pulse generation for data transmission.
2. Industrial Automation: Control of timing sequences in machinery and processes.
3. Consumer Electronics: Timer circuits for appliances, toys, and gadgets.
4. Automotive Systems: Timing control for engine management, lighting systems.

Alternative Models

For alternative options, the following models can be considered:

1. NE555: Single timer version of NE556DRE4.
2. LM555: Another popular timer IC with similar functionality.
3. TLC555: Low-power variant suitable for battery-operated devices.

These alternative models offer similar timing capabilities and can be used as substitutes depending on specific requirements.

In conclusion, NE556DRE4 is a versatile dual precision timer IC that provides accurate timing functions in various electronic applications. Its compact design, wide operating voltage range, and reliable performance make it an ideal choice for timing-sensitive circuits.

Word Count: 1100