Overview
The STM6823SWY6F is a microprocessor supervisory circuit manufactured by STMicroelectronics. It is part of the STM6xxx family, which provides comprehensive supervisory functions for microprocessors. This device is designed to monitor the VCC input for out-of-tolerance conditions and assert a reset signal when such conditions occur. The STM6823SWY6F is available in a standard 5-pin SOT23 package, making it compact and suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT23-5L | |
| Grade | Industrial | |
| RoHS Compliance | Ecopack3 | |
| Operating Temperature | -40 to +85 | °C |
| Supply Current | 3 | μA (typ.) |
| RST Threshold (typ.) | 2.93 | V |
| Reset Pulse Width | 1.4 ms, 200 ms, 240 ms | |
| Watchdog Timeout Period | 1.6 s (typ.) |
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)
- Manual reset input (MR)
- Low supply current - 3 μA (typ.)
- Guaranteed RST assertion down to VCC = 1.0 V
- Watchdog timer with a timeout period of 1.6 s (typ.)
- RoHS compliance with lead-free components
Applications
The STM6823SWY6F is suitable for a variety of applications where microprocessor supervision is critical, including:
- Industrial control systems
- Automotive systems
- Medical devices
- Consumer electronics
- Embedded systems requiring reliable reset and watchdog functions
Q & A
- What is the primary function of the STM6823SWY6F?
The primary function of the STM6823SWY6F is to provide microprocessor supervisory functions, including monitoring the VCC input for out-of-tolerance conditions and asserting a reset signal when necessary.
- What package type is the STM6823SWY6F available in?
The STM6823SWY6F is available in a standard 5-pin SOT23 package.
- What are the typical reset pulse widths for the STM6823SWY6F?
The reset pulse widths are typically 1.4 ms, 200 ms, and 240 ms.
- Does the STM6823SWY6F have a watchdog timer?
Yes, the STM6823SWY6F includes a watchdog timer with a typical timeout period of 1.6 seconds.
- What is the operating temperature range for the STM6823SWY6F?
The operating temperature range is -40 to +85 °C.
- Is the STM6823SWY6F RoHS compliant?
Yes, the STM6823SWY6F is RoHS compliant with lead-free components.
- What is the typical supply current of the STM6823SWY6F?
The typical supply current is 3 μA.
- Can the STM6823SWY6F assert a reset signal at low VCC levels?
Yes, the STM6823SWY6F can assert a reset signal down to VCC = 1.0 V.
- What are some common applications for the STM6823SWY6F?
Common applications include industrial control systems, automotive systems, medical devices, consumer electronics, and embedded systems.
- How does the manual reset input (MR) function on the STM6823SWY6F work?
The manual reset input (MR) allows for a manual reset of the system by asserting the MR pin low.
