Overview
The SA555N is a highly versatile and widely used integrated circuit (IC) produced by STMicroelectronics. It is a variant of the popular 555 timer IC, designed for a range of timing and pulse generation applications. Although the SA555N is currently obsolete and no longer manufactured, it remains a significant component in many legacy systems and educational settings.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Internal Timers | 1 Timer |
| Package / Case | PDIP-8 |
| Supply Voltage - Min | 4.5 V |
| Supply Voltage - Max | 16 V |
| Frequency | 500 kHz |
| High Level Output Current | -200 mA |
| Low Level Output Current | 200 mA |
| Max Operating Temperature | 105 °C |
Key Features
- Astable and monostable operation modes, allowing for a wide range of timing applications.
- High frequency capability up to 500 kHz.
- High output current drive capability, both sourcing and sinking up to 200 mA.
- Wide supply voltage range from 4.5 V to 16 V.
- Compact PDIP-8 package.
Applications
- Timing and pulse generation in electronic circuits.
- Astable multivibrators for generating square waves.
- Monostable multivibrators for generating single pulses.
- Watchdog and reset circuits in microcontroller and microprocessor systems.
- Educational projects and prototyping due to its simplicity and versatility.
Q & A
- What is the SA555N IC used for? The SA555N is used for timing and pulse generation in electronic circuits, including astable and monostable operations.
- What is the maximum operating frequency of the SA555N? The maximum operating frequency of the SA555N is 500 kHz.
- What is the supply voltage range for the SA555N? The supply voltage range for the SA555N is from 4.5 V to 16 V.
- What is the maximum output current of the SA555N? The SA555N can source or sink up to 200 mA.
- Is the SA555N still in production? No, the SA555N is obsolete and no longer manufactured.
- What package type is the SA555N available in? The SA555N is available in a PDIP-8 package.
- What are some common applications of the SA555N? Common applications include timing circuits, watchdog circuits, and educational projects.
- What is the maximum operating temperature of the SA555N? The maximum operating temperature of the SA555N is 105 °C.
- Can the SA555N be used in astable and monostable configurations? Yes, the SA555N can be used in both astable and monostable configurations.
- Where can I find substitutes for the SA555N? Substitutes for the SA555N can be found through distributors like Digi-Key and other electronic component suppliers.
