Overview
The SE555DT, produced by STMicroelectronics, is a highly versatile and stable monolithic timing circuit. This integrated circuit is part of the 555 timer family and is designed to operate as a precision timer or oscillator. It is capable of producing accurate time delays or oscillation, making it a valuable component in a wide range of electronic applications. The SE555DT is particularly notable for its high operating frequency, low turn-off time, and robust temperature stability.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | STMicroelectronics | |
| Package | 8-SOIC (0.154", 3.90mm Width) | |
| Operating Temperature | -55°C to 125°C | |
| Frequency | Up to 500 kHz | |
| Supply Current | 10 mA (Typ.) | |
| Output Current | Up to 200 mA (source or sink) | |
| RoHS Status | Lead free / RoHS Compliant | |
| Mounting Type | Surface Mount | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Low Turn-off Time: Ensures quick response times in timing applications.
- High Operating Frequency: Can operate at frequencies greater than 500 kHz.
- Timing Range: Capable of producing time delays from microseconds to hours.
- Operational Modes: Operates in both astable and monostable modes.
- Adjustable Duty Cycle: Allows for precise control over the duty cycle of the output signal.
- TTL Compatibility: Compatible with TTL logic levels.
- Temperature Stability: Exhibits a temperature stability of 0.005% per °C.
Applications
- Timing and Oscillation: Used in various timing and oscillation circuits where precise time delays are required.
- Pulse Generation: Generates pulses for applications such as signal processing and control systems.
- Alarm Systems: Can be used in alarm systems to generate timed signals.
- Automotive Electronics: Suitable for automotive applications due to its wide operating temperature range.
- Industrial Control Systems: Used in industrial control systems for timing and sequencing tasks.
Q & A
- What is the operating temperature range of the SE555DT?
The SE555DT operates within a temperature range of -55°C to 125°C.
- What is the maximum operating frequency of the SE555DT?
The SE555DT can operate at frequencies greater than 500 kHz.
- What are the typical applications of the SE555DT?
The SE555DT is used in timing and oscillation circuits, pulse generation, alarm systems, automotive electronics, and industrial control systems.
- Is the SE555DT RoHS compliant?
Yes, the SE555DT is lead free and RoHS compliant.
- What is the output current capability of the SE555DT?
The SE555DT can source or sink up to 200 mA.
- What are the package options for the SE555DT?
The SE555DT is available in an 8-SOIC package.
- How does the SE555DT handle temperature stability?
The SE555DT exhibits a temperature stability of 0.005% per °C.
- Can the SE555DT be used in both astable and monostable modes?
Yes, the SE555DT can operate in both astable and monostable modes.
- What is the typical supply current of the SE555DT?
The typical supply current of the SE555DT is 10 mA.
- Is the SE555DT suitable for surface mount applications?
Yes, the SE555DT is designed for surface mount applications.
