NA556D

Product Overview

• Category: Integrated Circuit
• Use: Timer and Oscillator
• Characteristics:
  • Dual Precision Timer
  • Low Power Consumption
  • Wide Operating Voltage Range
• Package: DIP-14 (Dual In-line Package)
• Essence: High-performance timer integrated circuit
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: 4.5V to 16V
• Supply Current:
  • Quiescent Current: 200µA (typical)
  • Timing Current: 1mA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±10mA
• Trigger and Reset Voltage Levels:
  • High Level (Vcc): 2/3 Vcc (typical)
  • Low Level (GND): 1/3 Vcc (typical)

Detailed Pin Configuration

The NA556D has a total of 14 pins, which are assigned 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 Supply Voltage)
9. DISCH (Discharge Output)
10. THRES (Threshold Input)
11. CTRL (Control Voltage Input)
12. RESET (Reset Input)
13. OUT (Output)
14. TRIG (Trigger Input)

Functional Features

• Dual timer functionality in a single package
• Precise timing capabilities
• Low power consumption for energy-efficient applications
• Wide operating voltage range allows for versatile usage
• Flexible trigger and reset voltage levels for customization

Advantages and Disadvantages

Advantages: - Dual timer functionality provides convenience and saves space - Precise timing capabilities ensure accurate performance - Low power consumption extends battery life in portable devices - Wide operating voltage range allows for compatibility with various systems

Disadvantages: - Limited output drive capability may restrict usage in high-power applications - DIP-14 package may not be suitable for compact designs

Working Principles

The NA556D is a dual precision timer integrated circuit that operates based on the principles of timing and oscillation. It consists of two independent timers, each capable of generating precise time delays or oscillations. The control voltage input allows for further customization of the timing characteristics.

Detailed Application Field Plans

The NA556D finds applications in various fields where precise timing and oscillation are required. Some potential application areas include:

1. Industrial Automation: Timing control in manufacturing processes
2. Automotive Electronics: Pulse generation for engine management systems
3. Consumer Electronics: Timer circuits for appliances and gadgets
4. Medical Devices: Timing functions in medical equipment
5. Lighting Systems: Control of lighting effects and sequences

Detailed and Complete Alternative Models

1. NE556D: Similar to NA556D, but with different manufacturer
2. LM556: Dual timer IC with similar functionality
3. TLC556: Precision timer with low power consumption
4. CD556: Dual timer IC with wide supply voltage range

These alternative models offer similar features and can be considered as substitutes for the NA556D depending on availability and specific requirements.

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