TLC556IDRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Timer
• Characteristics: Dual Precision Timer, Low Power Consumption
• Package: SOIC-14
• Essence: The TLC556IDRG4 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 TLC556IDRG4 is available in a standard SOIC-14 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2V to 16V
• Operating Temperature Range: -40°C to +85°C
• Timing Error: ±2% at 25°C
• Maximum Supply Current: 150µA
• Output Current: 20mA
• Trigger Voltage: 1.5V
• Reset Voltage: 0.3V

Pin Configuration

The TLC556IDRG4 has a total of 14 pins arranged as follows:

___________ | | 1 | 14 | VCC 2 | 13 | TRIG A 3 | 12 | OUT A 4 | 11 | RESET A 5 | 10 | CTRL A 6 | 9 | DISCHARGE A 7 | 8 | THRESHOLD A |___________|

Functional Features

• Dual Independent Timers: The TLC556IDRG4 consists of two separate timers, each with its own trigger, threshold, discharge, and reset inputs.
• Wide Supply Voltage Range: The IC can operate from 2V to 16V, making it suitable for a wide range of applications.
• Low Power Consumption: The TLC556IDRG4 consumes only 150µA of supply current, making it ideal for battery-powered devices.
• High Output Current: Each timer output can sink or source up to 20mA, allowing direct drive of LEDs and other low-power devices.

Advantages and Disadvantages

Advantages: - Dual timers in a single package provide cost and space savings. - Precise timing control with low timing error. - Wide supply voltage range allows flexibility in different applications. - Low power consumption extends battery life. - High output current capability simplifies circuit design.

Disadvantages: - Limited number of timers compared to some other timer ICs. - Not suitable for high-power applications due to the limited output current.

Working Principles

The TLC556IDRG4 is based on a combination of a voltage-controlled oscillator (VCO) and a flip-flop. Each timer operates independently by charging and discharging an external capacitor through internal resistors. The timing cycle is controlled by the values of the external resistors and capacitors connected to the timer pins.

Detailed Application Field Plans

The TLC556IDRG4 is commonly used in various applications that require precise timing control, such as:

1. Pulse Width Modulation (PWM) Generation
2. Frequency Generation
3. Timing Delays
4. Oscillators
5. Sequential Timers
6. LED Blinking Circuits
7. Tone Generation
8. Time Delay Relays
9. Motor Control
10. Robotics

Detailed and Complete Alternative Models

Some alternative models to the TLC556IDRG4 include:

1. NE556 - Dual Timer IC
2. LM556 - Dual Timer IC
3. ICM7556 - Dual Timer CMOS IC
4. CD556 - Dual Timer IC
5. MAX556 - Dual Timer IC

These alternative models offer similar functionality and can be used as replacements for the TLC556IDRG4 in various applications.

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