Overview
The STM6520AQRRDG9F is a dual push-button Smart Reset device manufactured by STMicroelectronics. This component is designed to provide a reliable and versatile reset mechanism for electronic systems. It features combined delayed Smart Reset™ inputs that prevent inadvertent short reset push-button closures from causing system resets, ensuring a safe and controlled reset process. The device allows for discrimination between software-generated interrupts and hard system resets, making it suitable for a variety of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TDFN-8 (2 mm x 2 mm x 0.75 mm) |
| Operating Voltage Range | 1.65 V to 5.5 V |
| Reset Setup Time (tSRC) | 7.5 s or 12.5 s (typ.), selectable via DSR input |
| Reset Outputs | RST1: Active-low, open-drain; RST2: Active-high, push-pull |
| Supply Current | 1.5 μA |
| Operating Temperature | –30 °C to +85 °C |
| RoHS Compliance | Ecopack3 |
Key Features
- Dual Smart Reset™ push-button inputs with user-selectable extended reset setup delay (7.5 s or 12.5 s typ.) via a two-state input logic.
- Push-button controlled reset pulse duration (no fixed nor minimum pulse width guaranteed).
- No power-on reset.
- Dual reset outputs: RST1 (active-low, open-drain) and RST2 (active-high, push-pull).
- Broad operating voltage range (1.65 V to 5.5 V) with inactive reset output levels valid down to 1.0 V.
- Low supply current of 1.5 μA.
- Operating temperature range: –30 °C to +85 °C.
- TDFN8 package.
- RoHS compliant.
Applications
The STM6520AQRRDG9F is suitable for various applications, including:
- Industrial systems: Where reliable and controlled reset mechanisms are crucial.
- Personal electronics: To ensure safe and efficient system resets in consumer devices.
Q & A
- What is the primary function of the STM6520AQRRDG9F? The primary function is to provide a reliable and controlled reset mechanism using dual push-button Smart Reset inputs.
- How are the reset setup times selected? The reset setup times (7.5 s or 12.5 s) are selected via a two-state input logic using the DSR input pin.
- What are the types of reset outputs provided by the STM6520AQRRDG9F? The device provides two reset outputs: RST1 (active-low, open-drain) and RST2 (active-high, push-pull).
- What is the operating voltage range of the STM6520AQRRDG9F? The operating voltage range is from 1.65 V to 5.5 V.
- Does the STM6520AQRRDG9F have a power-on reset feature? No, the STM6520AQRRDG9F does not have a power-on reset feature.
- What is the package type and dimensions of the STM6520AQRRDG9F? The package type is TDFN-8, with dimensions of 2 mm x 2 mm x 0.75 mm.
- Is the STM6520AQRRDG9F RoHS compliant? Yes, the STM6520AQRRDG9F is RoHS compliant.
- What is the operating temperature range of the STM6520AQRRDG9F? The operating temperature range is from –30 °C to +85 °C.
- How does the device handle supply current? The device has a low supply current of 1.5 μA.
- What are some typical applications for the STM6520AQRRDG9F? Typical applications include industrial systems and personal electronics.
