TLC556IDR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Timer
• Characteristics: Dual Precision Timer, Low Power Consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The TLC556IDR is a dual precision timer IC that provides two independent timers in a single package. It is designed for applications requiring precise timing control and low power consumption.
• Packaging/Quantity: The TLC556IDR is available in a reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 16V
• Supply Current: 100µA (Typical)
• Operating Temperature Range: -40°C to +85°C
• Output Current: 20mA
• Timer Frequency Range: 1Hz to 2MHz
• Trigger and Reset Voltage Levels: 30% and 70% of VCC

Pin Configuration

The TLC556IDR has a total of 16 pins, which are assigned as follows:

1. GND (Ground)
2. TRIG1 (Timer 1 Trigger Input)
3. OUT1 (Timer 1 Output)
4. RESET1 (Timer 1 Reset Input)
5. CTRL1 (Timer 1 Control Voltage)
6. THRES1 (Timer 1 Threshold Voltage)
7. DISCH1 (Timer 1 Discharge Terminal)
8. VCC (Supply Voltage)
9. DISCH2 (Timer 2 Discharge Terminal)
10. THRES2 (Timer 2 Threshold Voltage)
11. CTRL2 (Timer 2 Control Voltage)
12. RESET2 (Timer 2 Reset Input)
13. OUT2 (Timer 2 Output)
14. TRIG2 (Timer 2 Trigger Input)
15. RESET (Reset Input)
16. CTRL (Control Voltage)

Functional Features

• Dual Timer: The TLC556IDR provides two independent timers, allowing for simultaneous timing control of different events.
• Precision Timing: The IC offers precise timing control with a wide frequency range from 1Hz to 2MHz.
• Low Power Consumption: With a supply current of only 100µA, the TLC556IDR is designed to minimize power consumption in applications.
• Trigger and Reset Control: The IC allows for easy triggering and resetting of the timers through dedicated input pins.
• Output Flexibility: Each timer has its own output pin, providing flexibility in connecting to external devices.

Advantages and Disadvantages

Advantages: - Dual timer functionality - Precise timing control - Low power consumption - Easy trigger and reset control - Flexible output options

Disadvantages: - Limited maximum output current (20mA) - Requires external components for certain applications

Working Principles

The TLC556IDR operates based on an internal oscillator that generates timing signals for each timer. The timing control is achieved by adjusting the threshold voltage and control voltage inputs. When triggered, the timers start counting and generate an output signal when the threshold voltage is reached. The timers can be reset using the reset inputs.

Detailed Application Field Plans

The TLC556IDR is widely used in various applications that require precise timing control, such as:

1. Pulse Width Modulation (PWM) circuits
2. Frequency generators
3. Delay circuits
4. Oscillators
5. Timers for industrial automation
6. Robotics and control systems
7. Automotive electronics
8. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the TLC556IDR that offer similar functionality are:

1. NE556N: Dual Precision Timer IC, DIP package
2. LM556CN: Dual Timer IC, DIP package
3. ICM7555IPA: General-Purpose Timer IC, SOIC package
4. CD4541BE: Programmable Timer IC, DIP package

These alternative models can be considered based on specific requirements and availability.

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