SE555DT

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SE555DT

+BOM

IC OSC SGL TIMER 500KHZ 8-SOIC

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

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사양

속성 가치
Supplier STMicroelectronics
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Single)
Frequency 500kHz
Voltage-Supply 4.5V ~ 18V
Current-Supply 10 mA
OperatingTemperature -55°C ~ 125°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

개요

Description

The SE555DT is a precision timing device, commonly referred to as a 555 timer. It is utilized in a variety of applications due to its versatility and reliability in generating precise time delays or oscillation. The device operates in three fundamental modes: monostable, astable, and bistable.
In monostable mode, the 555 timer functions as a one-shot pulse generator, producing a single output pulse of a predetermined duration in response to a trigger input. In astable mode, it acts as an oscillator, generating a continuous square wave output, which makes it useful for creating clock pulses or PWM signals. Bistable mode, or flip-flop mode, allows it to serve as a basic memory element, toggling the output between two stable states.
Key features of the SE555DT include high temperature stability, low power consumption, and the ability to operate with a wide range of supply voltages. Its simplicity and effectiveness make it a popular choice in electronics projects and educational settings for demonstrating basic timing and waveform generation principles.

Equivalent

The SE555DT is a precision timer IC, and its equivalent products include the NE555, LM555, and TLC555. These ICs are designed for similar applications, such as timing, pulse generation, and oscillation in various circuits. They are all part of the 555 timer family and generally interchangeable in most applications, provided the electrical specifications and package types match the requirements of your project.

Features

The SE555DT is a timer IC from the 555 series, commonly used in various timing applications. Key features include:
1. Timing Functions: Can be configured for monostable or astable operation, providing flexible timing solutions.
2. Wide Supply Voltage Range: Operates between 4.5V and 16V, making it versatile for different electronic projects.
3. Output Compatibility: Capable of driving TTL (Transistor-Transistor Logic) outputs.
4. Adjustable Duty Cycle: Users can modify the timing cycle by adjusting external resistor and capacitor values.
5. High Temp Stability: Ensures reliable operation under varying temperature conditions.
6. Low Power Consumption: Efficient operation suitable for battery-powered devices.
7. Fast Rise and Fall Times: Typically less than 100 nanoseconds, offering quick response in switching applications.
8. Current Drive: Can source or sink up to 200mA, which is suitable for driving small loads directly.
These features make the SE555DT a versatile and robust choice for both amateur and professional electronic designers requiring precise timing functionality.

Pinout

The SE555DT is a precision timer IC, commonly known as the 555 Timer. It typically comes in an 8-pin package. Here is a brief overview of its pin functions:
1. GND (Pin 1): Ground reference for the IC.
2. Trigger (Pin 2): Initiates the timing interval when voltage drops below 1/3 of VCC.
3. Output (Pin 3): Provides the output signal of the timer.
4. Reset (Pin 4): Resets the timer when a low signal is applied. If not used, it should be connected to VCC.
5. Control Voltage (Pin 5): Allows modification of the threshold voltage; often unused by connecting to a capacitor.
6. Threshold (Pin 6): Ends the timing interval when voltage exceeds 2/3 of VCC.
7. Discharge (Pin 7): Discharges the timing capacitor to ground.
8. VCC (Pin 8): Supply voltage for the IC.
The SE555DT is used in various applications including timers, pulse generation, and oscillators due to its stability and versatility.

Manufacturer

The SE555DT is manufactured by Texas Instruments, an American technology company. Texas Instruments is renowned for designing and manufacturing semiconductors and various integrated circuits, which are essential components in electronic devices. The company is a key player in the electronics industry, providing products and solutions that are widely used in consumer electronics, automotive systems, industrial equipment, and communication devices. Texas Instruments is particularly well-known for its analog chips and embedded processors, which support numerous applications and technological advancements.

Application

The SE555DT is a precision timer IC widely used in various applications such as generating accurate time delays, pulse width modulation (PWM), and oscillation. It is commonly utilized in timing circuits, frequency dividers, and signal generators. Additionally, it finds applications in LED flashers, tone generators, and switch debouncing. The IC is also employed in pulse generation for digital logic circuits and as a delay element in various electronic projects. Its versatility and reliability make it a popular choice in both consumer electronics and industrial applications, where precise timing and wave shaping are crucial.

Package

The SE555DT is typically available in an SOIC-8 package, which is a Small Outline Integrated Circuit with 8 pins. This package type is commonly used for surface-mount applications due to its compact size and ease of installation on PCBs.