NE555DT

Name: NE555DT
Brand: STMicroelectronics NV
Rating: 4.5 (10 reviews)
Author: Lisleapex

Compact and reliable timing circuit for SOP applications

7,145 Effective Inventory

NE555DT

Effective Inventory7,145

Compact and reliable timing circuit for SOP applications

Manufacturer Part # : NE555DT
Package/Case: SOIC-8
Part Status : Obsolete
Brand: STMicroelectronics NV
Product Categories : Programmable Timers and Oscillators
Series : NE555

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NE555DT DataSheet

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NE555DT Details

The NE555DT is a highly versatile timer IC from Texas Instruments, widely used for generating precise time delays and oscillations in various electronic applications. This dual-range timer can operate in both astable and monostable modes, making it ideal for timers, oscillators, pulse width modulation, and timing applications. The NE555 is known for its reliability, ease of use, and high accuracy.

Pinout

1 (GND): Ground
2 (TRIG): Trigger Input
3 (OUT): Output
4 (RESET): Reset Input
5 (CTRL): Control Voltage
6 (THRESH): Threshold Input
7 (DISCH): Discharge
8 (VCC): Supply Voltage

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Timing Adjustable: Provides adjustable timing intervals with external resistors and capacitors.
Wide Operating Range: Operates over a wide voltage range from 4.5V to 15V.
High Accuracy: Delivers precise timing with minimal error for reliable performance.
Multiple Modes: Supports both monostable and astable operation modes for versatile applications.
Low Power Consumption: Designed for low power operation, suitable for various electronic designs.

Application

Timer Circuits: Ideal for time delay and timing applications in various electronic systems.
Pulse Width Modulation: Used in PWM applications for motor control and signal modulation.
Oscillator Circuits: Suitable for generating square wave oscillations in electronic devices.

Where to Use

The NE555DT is appropriate for various applications that require accurate timing or oscillation. It is commonly used in timers, frequency generators, and pulse width modulation circuits in a wide range of electronic projects.

How to Use

Connect the NE555DT to your circuit by wiring the VCC and GND pins appropriately. Choose external resistors and capacitors to set the desired timing parameters. Use the TRIG, THRESH, and RESET pins to control the timing operation. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the NE555DT illustrates how to configure the timer IC for different modes (monostable and astable). It shows the connections for timing components, power supply, and output, ensuring proper operation in your application.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM555: An equivalent timer IC with similar functionality and specifications from Texas Instruments.
NE556: A dual version of the NE555, providing two timers in a single package for more complex applications.

Complementary

The NE555DT can be complemented by the LM317 voltage regulator, which helps maintain stable voltage levels for timing applications, ensuring reliable operation of the NE555 and its timing circuits.

When selecting complementary components, ensure that their specifications and features align with your design requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum voltage supply for the NE555DT?

A: The NE555DT can operate with a supply voltage ranging from 4.5V to 15V. For more details, refer to the datasheet for specific electrical characteristics.

Q: Can the NE555DT be used for pulse width modulation?

A: Yes, the NE555DT is widely used for pulse width modulation applications, offering an adjustable mark-to-space ratio depending on the external resistors and capacitors used.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Timers & Support Products	RoHS	Details
Series	NE555	Type	Standard
Number of Internal Timers	1 Timer	Supply Voltage - Max	16 V
Supply Voltage - Min	4.5 V	Minimum Operating Temperature	0 C
Maximum Operating Temperature !	+ 70 C	Mounting Style	SMD/SMT
Package / Case	SOIC-8	Brand	STMicroelectronics
Height	1.25 mm	High Level Output Current !	200 mA
Length	4.9 mm	Low Level Output Current !	- 200 mA
Product Type !	Timers & Support Products	Factory Pack Quantity	2500
Subcategory	Clock & Timer ICs	Width	3.9 mm
Unit Weight	0.017870 oz

FAQs

What is NE555DT?

The NE555DT is a precision timer integrated circuit (IC) designed by Texas Instruments. It is widely used in timing and oscillator applications such as pulse generation, time delay circuits, and frequency generation.

How Does NE555DT Work?

The NE555DT operates as a versatile timer IC capable of generating accurate time delays and pulses. It functions based on an internal voltage divider network, comparators, and an SR flip-flop. By controlling external resistors and capacitors, users can adjust the timing characteristics of the NE555DT to suit a variety of timing applications.

How Many Pins does NE555DT have and What are the Functions of the Pinout Configuration?

The NE555DT is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

GND: Ground pin.
TRIG: Trigger input pin.
OUT: Output pin.
RESET: Reset input pin.
CTRL: Control voltage pin.
DISCH: Discharge pin.
THR: Threshold input pin.
VCC: Power supply pin.

What are the Pros and Cons of NE555DT?

Pros:

Versatile: Suitable for a wide range of timing and oscillator applications.
Simple Design: Easy to use with external resistors and capacitors for timing adjustments.
Stable Operation: Provides stable timing characteristics for consistent performance.
Cost-Effective: Offers a cost-effective solution for timing needs.

Cons:

Limited Accuracy: May not provide the high precision timing required for some applications.
Noisy Output: The output signal may exhibit noise characteristics in certain circuits.
Temperature Sensitivity: Timing characteristics may vary with temperature changes.

Are There Any Equivalents/Alternatives to NE555DT for Recommendation?

The LM555 from Texas Instruments is a direct equivalent to the NE555DT.
Alternatives to the NE555DT include the ICM7555 from Intersil and the TLC555 from Texas Instruments.