TLC556MDG4

Images à titre indicatif uniquement

TLC556MDG4

+Nomenclature

IC OSC TIMER DUAL 2.1MHZ 14-SOIC

365 Garantie qualité 24h/24

7*24 Garantie de service 24h/24

90-Garantie après-vente 24h/24

Garantie produit authentique

Spécifications

Attribut Valeur
Supplier Rochester Electronics, LLC,Texas Instruments
Package Bulk,Tube
Series LinCMOS™
ProductStatus Discontinued at Digi-Key
Type 555 Type, Timer/Oscillator (Dual)
Frequency 2.1MHz
Voltage-Supply 5V ~ 18V
Current-Supply 720 µA
OperatingTemperature -55°C ~ 125°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 14-SOIC

Présentation

Description

The TLC556MDG4 is a precision timer IC developed by Texas Instruments. It is a variant of the NE556 timer and consists of a dual version of the 555 timer, packaged in a single 14-pin device. The TLC556MDG4 offers improved specifications such as lower power consumption and a wider operating voltage range compared to traditional bipolar 556 timers. It operates from a supply voltage of 2 V to 15 V, making it suitable for battery-powered and portable applications.
Key features include high speed and low power consumption, with a typical power dissipation of 1 mW at 5 V. The device can be used in various configurations, such as monostable and astable modes, which are common in timing and pulse-generation applications. It is well-suited for use in applications needing precise timing, pulse width modulation, and frequency generation. The "MDG4" suffix indicates a specific package type and temperature range option offered by Texas Instruments. This IC is widely used due to its reliability and versatility in electronic circuit designs.

Equivalent

The TLC556MDG4 is a dual timer IC similar to the NE556, LM556, and SE556. These are equivalent dual versions of the popular 555 timer IC. Other potential equivalents include the LMC556 and ICM7556, which are CMOS versions offering similar functionality with lower power consumption. Ensure compatibility by checking the specifications, particularly power supply range, output current, and frequency characteristics before substituting.

Features

The TLC556MDG4 is a dual monolithic timing circuit that offers several key features:
1. Dual Timer: It integrates two independent timing circuits in a single package, making it versatile for various timing applications.
2. Low Power Consumption: Designed for low power operation, making it suitable for battery-operated devices.
3. Wide Supply Voltage Range: Operates from 3 V to 15 V, providing flexibility in different applications.
4. High Output Current: Capable of sourcing or sinking up to 200 mA, which is useful for driving loads directly.
5. Adjustable Duty Cycle: Allows the user to configure the duty cycle as needed for specific applications.
6. Temperature Range: The device supports an industrial temperature range, making it reliable for use in harsh environments.
7. Pin Compatibility: Compatible with the NE556, ensuring it can be a direct replacement or used in existing designs.
8. Precision Timing: Provides accurate time delays and oscillation with minimal variation over temperature and voltage changes.
These features make the TLC556MDG4 suitable for applications like delay circuits, pulse generation, and LED flashers.

Pinout

The TLC556MDG4 is a dual timer IC, which is a variant of the standard 556 timer. It is manufactured by Texas Instruments. This particular model comes in a 14-pin package. Here's a brief overview of its pin functions:
1. Pin 1 (GND): Ground reference for the IC.
2. Pin 2 (TRIG1): Trigger input for timer 1; starts the timing interval.
3. Pin 3 (OUT1): Output for timer 1; delivers the timing signal.
4. Pin 4 (RESET1): Reset input for timer 1; used to reset the timing interval.
5. Pin 5 (CTRL1): Control voltage for timer 1; allows external control of the timing.
6. Pin 6 (THRES1): Threshold input for timer 1; determines when the timing interval ends.
7. Pin 7 (DISCH1): Discharge for timer 1; used to discharge the timing capacitor.
8. Pin 8 (VCC): Positive supply voltage for the IC.
9. Pin 9 (DISCH2): Discharge for timer 2.
10. Pin 10 (THRES2): Threshold input for timer 2.
11. Pin 11 (CTRL2): Control voltage for timer 2.
12. Pin 12 (RESET2): Reset input for timer 2.
13. Pin 13 (OUT2): Output for timer 2.
14. Pin 14 (TRIG2): Trigger input for timer 2.
The TLC556MDG4 operates as two independent timers, capable of monostable or astable operation.

Manufacturer

The manufacturer of the TLC556MDG4 is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits, including analog chips, digital signal processors, microcontrollers, and other semiconductor solutions. Founded in 1930, TI is headquartered in Dallas, Texas, and is well-known for its innovation and contributions to the electronics industry. The company serves a diverse set of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.

Application

The TLC556MDG4 is a dual timer IC that is commonly used in a variety of applications. These include pulse generation, delay timing, sequential timing, and pulse-width modulation (PWM). It's often utilized in circuits requiring precise timing control, such as in oscillators, frequency dividers, and timers. Other applications include LED flashers, siren generators, and tone generators. Its ability to operate in both monostable and astable modes makes it versatile for use in consumer electronics, automotive electronics, industrial controls, and communication systems. Its low power consumption makes it suitable for battery-operated devices.

Package

The TLC556MDG4 is a dual timer IC available in an SOIC-14 (Small Outline Integrated Circuit) package. This surface-mount package has 14 pins and is designed for applications requiring precise timing, such as pulse generation and sequential timing. The "G4" designation often indicates a lead-free, RoHS-compliant version.

Produits liés à TLC556MDG4