Overview
The STM6824SWY6F is a microprocessor supervisor IC produced by STMicroelectronics. It belongs to the STM6xxx family of self-contained devices designed to provide essential supervisory functions for microprocessors. This component monitors the VCC input for out-of-tolerance conditions and asserts a reset signal when such conditions occur. It also features a watchdog timer and a push-button reset input, making it a comprehensive solution for ensuring the reliable operation of microprocessor-based systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT23-5L |
| Grade | Industrial |
| RoHS Compliance | Ecopack3 |
| Operating Temperature | –40 to +85 °C |
| VCC Monitoring | 5, 3.3, 3, or 2.5 V |
| RST Output | Active low (push-pull or open drain), Active high (push-pull) |
| Reset Pulse Width | 1.4 ms, 200 ms, 240 ms (typ.) |
| Watchdog Timeout Period | 1.6 s (typ.) |
| Manual Reset Input (MR) | Yes |
| Supply Current | 3 μA (typ.) |
| RST Assertion Down to VCC | 1.0 V |
| RST Threshold (V) (typ) | 2.93 V |
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; active high, push-pull)
- Reset pulse width of 1.4 ms, 200 ms, and 240 ms (typ.)
- Watchdog timeout period of 1.6 s (typ.)
- Manual reset input (MR)
- Low supply current - 3 μA (typ.)
- Guaranteed RST assertion down to VCC = 1.0 V
- Operating temperature: –40 to +85 °C (industrial grade)
- RoHS compliance - Lead-free components are compliant with the RoHS directive
Applications
The STM6824SWY6F is suitable for a variety of applications where reliable microprocessor supervision is critical. These include:
- Embedded systems requiring robust power monitoring and reset functions
- Industrial control systems where reliability and fault tolerance are essential
- Automotive electronics that demand high reliability and adherence to strict temperature ranges
- Consumer electronics needing precise voltage monitoring and reset capabilities
Q & A
- What is the primary function of the STM6824SWY6F?
The primary function of the STM6824SWY6F is to provide microprocessor supervisory functions, including precision VCC monitoring, watchdog timer, and manual reset input.
- What are the available reset output configurations for the STM6824SWY6F?
The STM6824SWY6F offers reset outputs that can be configured as active low (push-pull or open drain) or active high (push-pull).
- What is the typical watchdog timeout period for the STM6824SWY6F?
The typical watchdog timeout period for the STM6824SWY6F is 1.6 seconds.
- What is the operating temperature range for the STM6824SWY6F?
The operating temperature range for the STM6824SWY6F is –40 to +85 °C.
- Is the STM6824SWY6F RoHS compliant?
Yes, the STM6824SWY6F is RoHS compliant, with lead-free components.
- What is the typical supply current of the STM6824SWY6F?
The typical supply current of the STM6824SWY6F is 3 μA.
- What is the RST threshold voltage for the STM6824SWY6F?
The RST threshold voltage for the STM6824SWY6F is typically 2.93 V.
- Can the STM6824SWY6F assert a reset down to VCC = 1.0 V?
Yes, the STM6824SWY6F can assert a reset down to VCC = 1.0 V.
- What package type is the STM6824SWY6F available in?
The STM6824SWY6F is available in a standard 5-pin SOT23 package.
- What are some common applications for the STM6824SWY6F?
The STM6824SWY6F is commonly used in embedded systems, industrial control systems, automotive electronics, and consumer electronics where reliable power monitoring and reset functions are necessary.
