Overview
The STM6824TWY6F is a 5-pin supervisor IC manufactured by STMicroelectronics, designed to provide comprehensive microprocessor supervisory functions. This device includes a precision voltage reference and comparator to monitor the VCC input for out-of-tolerance conditions. When an invalid VCC condition occurs, the reset output (RST) is forced low or high, depending on the configuration. Additionally, the STM6824TWY6F features a watchdog timer and a push-button reset input, enhancing system reliability and control.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT23-5L |
| Grade | Industrial |
| Operating Temperature | –40 to +85 °C |
| RST Threshold (V) (typ) | 3.08 V (for STM6824TWY6F) |
| Reset Pulse Width | 1.4 ms, 200 ms, 240 ms (typ.) |
| Watchdog Timeout Period | 1.6 s (typ.) |
| Supply Current | 3 μA (typ.) |
| RST Assertion Down to VCC | 1.0 V |
| RoHS Compliance | Ecopack3 |
Key Features
- Precision VCC monitoring of 5, 3.3, 3, or 2.5 V power supplies
- RST outputs (active low, push-pull or open drain) and (active high, push-pull)
- Watchdog timer with a timeout period of 1.6 s (typ.)
- Manual reset input (MR)
- Low supply current of 3 μA (typ.)
- Guaranteed RST assertion down to VCC = 1.0 V
- Operating temperature range: –40 to +85 °C (industrial grade)
- RoHS compliance with Ecopack3
Applications
The STM6824TWY6F is suitable for a variety of applications requiring robust microprocessor supervision, including industrial control systems, medical devices, automotive systems, and consumer electronics. Its precision voltage monitoring, watchdog timer, and manual reset features make it an ideal choice for ensuring system reliability and preventing malfunctions due to voltage fluctuations or software errors.
Q & A
- What is the primary function of the STM6824TWY6F?
The primary function of the STM6824TWY6F is to provide microprocessor supervisory functions, including precision voltage monitoring, watchdog timer, and manual reset capabilities. - What are the typical reset pulse widths for the STM6824TWY6F?
The typical reset pulse widths are 1.4 ms, 200 ms, and 240 ms. - What is the watchdog timeout period for the STM6824TWY6F?
The watchdog timeout period is typically 1.6 seconds. - What is the supply current of the STM6824TWY6F?
The supply current is typically 3 μA. - Down to what voltage does the RST assertion guarantee?
The RST assertion is guaranteed down to VCC = 1.0 V. - What is the operating temperature range of the STM6824TWY6F?
The operating temperature range is –40 to +85 °C (industrial grade). - Is the STM6824TWY6F RoHS compliant?
Yes, the STM6824TWY6F is RoHS compliant with Ecopack3. - What package type is the STM6824TWY6F available in?
The STM6824TWY6F is available in a standard 5-pin SOT23 package. - What are some common applications for the STM6824TWY6F?
Common applications include industrial control systems, medical devices, automotive systems, and consumer electronics. - Where can I find detailed datasheets for the STM6824TWY6F?
Detailed datasheets can be found on the STMicroelectronics website or through distributors like Mouser and Digi-Key.
