Overview
The STM708TAM6F is a microprocessor supervisor IC produced by STMicroelectronics. It belongs to the STM70x family of supervisors, which are self-contained devices designed to provide essential supervisory functions for microprocessors. These devices monitor the VCC input for out-of-tolerance conditions and assert a reset output (RST or RST) when such conditions occur. The STM708TAM6F is particularly useful in ensuring system reliability and stability by providing early warnings of impending power failures and other critical system conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Reset Threshold (V) | 3.08 V (typical) |
| Reset Output | Active-low RST and Active-high RST |
| Reset Assertion Time | 200 ms (typical) |
| Watchdog Timer | Not available in STM708T/S/R models |
| Manual Reset Input | Active-low MR with internal pull-up |
| Power-fail Comparator | PFI/PFO outputs |
| Supply Current | 40 μA (typical) |
| Operating Temperature | –40 °C to 85 °C (industrial grade) |
| Package | 8-pin SOIC or 8-pin TSSOP |
| RoHS Compliance | Ecopack3 |
Key Features
- Precision VCC monitor to detect out-of-tolerance conditions
- Reset output (RST and RST) with adjustable thresholds
- Manual reset input (MR) with internal pull-up
- Power-fail comparator (PFI/PFO) for early warning of power failure
- Low supply current of 40 μA (typical)
- Guaranteed RST assertion down to VCC = 1.0 V
- Operating temperature range: –40 °C to 85 °C (industrial grade)
- RoHS compliance with lead-free components
Applications
The STM708TAM6F is suitable for a variety of applications where reliable microprocessor supervision is crucial. These include:
- Embedded systems requiring robust power management and reset functions.
- Industrial control systems that need to ensure continuous operation despite power fluctuations.
- Automotive systems where reliable operation under varying power conditions is essential.
- Medical devices that require precise and reliable power monitoring and reset capabilities.
Q & A
- What is the primary function of the STM708TAM6F?
The primary function of the STM708TAM6F is to monitor the VCC input for out-of-tolerance conditions and assert a reset output to ensure system stability and reliability.
- What are the typical reset thresholds for the STM708TAM6F?
The typical reset threshold for the STM708TAM6F is 3.08 V.
- Does the STM708TAM6F have a watchdog timer?
No, the STM708T/S/R models do not have a watchdog timer.
- What is the manual reset input (MR) on the STM708TAM6F?
The manual reset input (MR) is an active-low input with an internal pull-up that asserts the reset output when it is driven low.
- What is the power-fail comparator function on the STM708TAM6F?
The power-fail comparator (PFI/PFO) provides an early warning of impending power failure.
- What is the typical supply current of the STM708TAM6F?
The typical supply current is 40 μA.
- What is the operating temperature range of the STM708TAM6F?
The operating temperature range is –40 °C to 85 °C (industrial grade).
- Is the STM708TAM6F RoHS compliant?
- In what packages is the STM708TAM6F available?
The STM708TAM6F is available in 8-pin SOIC and 8-pin TSSOP packages.
- What are some typical applications for the STM708TAM6F?
Typical applications include embedded systems, industrial control systems, automotive systems, and medical devices.
