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UA555TC
Built-in oscillator
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UA555TC 數據表
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詳細說明
The UA555TC is a precision timing circuit that is commonly used in applications where stable frequency and timing control is required. It is a version of the popular 555 timer IC, with improved specifications for increased accuracy and performance.The UA555TC features a high maximum operating frequency of 1MHz, allowing for precise timing intervals in various applications. It has a wide operating voltage range of 4.5V to 16V, making it suitable for use in a variety of electronic circuits.One of the key features of the UA555TC is its high stability and accuracy. It has a low temperature coefficient of 50 ppm/°C, ensuring that the timing intervals remain consistent over a wide range of operating temperatures. This makes it ideal for precision timing applications where accuracy is critical.The UA555TC also offers low supply current consumption, making it suitable for use in battery-operated devices where power efficiency is important. It has a typical supply current of just 100µA, helping to extend the battery life of the device.
主要特徵
- High precision timing circuit
- Operates in both monostable and astable modes
- Adjustable duty cycle
- Wide supply voltage range
- Low power consumption
- Compact 8-pin package
應用
- Timing circuits
- Pulse width modulation
- Frequency generator
- Delayed timers
- Waveform generators
- Monostable multivibrator
- Astable multivibrator
- LED flasher circuits
- Sound generators
- Motor control systems
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Pbfree Code | No | Rohs Code | No |
| Part Life Cycle Code | Obsolete | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| JESD-609 Code | e0 | Moisture Sensitivity Level | 2A |
| Technology | CMOS | Terminal Finish | TIN LEAD |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is UA555TC?
The UA555TC is a precision timer IC (integrated circuit) commonly known as the 555 timer. It is designed by Texas Instruments and is widely used in various electronic circuits for timing, oscillation, and pulse generation.
How Does UA555TC Work?
The UA555TC operates as a versatile timer circuit capable of generating accurate time delays, oscillations, and pulses. It consists of voltage comparators, a flip-flop, and a discharge transistor, enabling it to function in various modes such as astable, monostable, and bistable. The 555 timer is a popular choice for applications requiring precise timing functions.
How Many Pins does UA555TC have and What are the Functions of the Pinout Configuration?
The UA555TC is commonly available in an 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration typically includes:
- GND: Ground pin.
- TRIG: Trigger input pin for external triggering.
- OUT: Output pin for the timer circuit.
- RESET: Reset pin for resetting the timer's internal state.
- CTRL (Control Voltage): Pin for controlling the timing characteristics.
- THR (Threshold): Threshold input pin for setting the upper limit of the timing cycle.
- DIS (Discharge): Discharge pin for the internal discharge transistor.
- VCC (Supply Voltage): Positive power supply pin.
What are the Pros and Cons of UA555TC?
Pros:
- Versatility: Can be used in various timing and pulse generation applications.
- Simple Operation: Easy to use and configure for different timing modes.
- Widely Available: The 555 timer is a popular and readily accessible IC in the electronics industry.
- Robustness: Known for its reliability and durability in diverse circuit designs.
Cons:
- Accuracy: Limited precision compared to dedicated timing ICs in some applications.
- Timing Range: May have limitations on the maximum and minimum achievable time periods.
- External Components: Some applications may require additional external components for specific timing requirements.
Are There Any Equivalents/Alternatives to UA555TC for Recommendation?
- The NE555 from Signetics is a popular alternative to the UA555TC with similar functionality.
- Other alternatives to the UA555TC include the LM555 from Texas Instruments and the TLC555 from Texas Instruments.
