Overview
The STM6519AUARUB6F is a single-pin, push-button Smart Reset™ device manufactured by STMicroelectronics. This integrated circuit is designed to provide a reliable and efficient reset mechanism for various electronic systems. It operates over a broad voltage range from 2.0 V to 5.5 V and features a low supply current of 1 μA, making it suitable for low-power applications. The device includes an integrated test mode and offers high glitch immunity, ensuring robust operation in diverse environments.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.0 | - | 5.5 | V |
| Supply Current (ICC) | 0.4 | 1.0 | - | μA |
| Operating Temperature (TA) | -40 | - | 85 | °C |
| Smart Reset Delay (tSRC) | 0.5 | - | 10 | s (in 0.5 s steps) |
| Reset Timeout Delay (tREC) | 0.85 | 1.28 | 1.71 | ms (factory-programmed) |
| Reset Output Voltage Low (VOL) | 0.3 | - | - | V (at VCC ≥ 4.5 V, sinking 3.2 mA) |
| Internal Output Pull-up Resistor (RPUO) | 65 | - | - | kΩ |
| Package Type | - | - | - | UDFN6 (1.00 mm x 1.45 mm) |
Key Features
- Operating voltage range from 2 V to 5.5 V
- Low supply current of 1 μA
- Integrated test mode
- Single Smart Reset™ push-button input with fixed extended reset setup delay (tSRC) from 0.5 s to 10 s in 0.5 s steps
- Push-button controlled reset pulse duration with two options:
- Fully push-button controlled with no fixed or minimum pulse width guaranteed
- Defined output reset pulse duration (tREC) factory-programmed
- Single reset output: active-low or active-high, push-pull or open drain with optional pull-up resistor
- Fixed Smart Reset input logic voltage levels
- Operating temperature range from -40 °C to 85 °C
- UDFN6 package (1.00 mm x 1.45 mm) with ECOPACK®2 (RoHS compliant, Halogen-Free)
Applications
- Mobile phones and smartphones
- PDAs (Personal Digital Assistants)
- Other portable electronic devices requiring reliable reset mechanisms
Q & A
- What is the operating voltage range of the STM6519AUARUB6F?
The operating voltage range is from 2.0 V to 5.5 V.
- What is the typical supply current of the STM6519AUARUB6F?
The typical supply current is 1 μA.
- What is the purpose of the integrated test mode in the STM6519AUARUB6F?
The integrated test mode allows for quick testing of the device without repeating the test mode triggering process, providing user feedback and ensuring high glitch immunity.
- How does the Smart Reset delay (tSRC) work in the STM6519AUARUB6F?
The Smart Reset delay (tSRC) ranges from 0.5 s to 10 s in 0.5 s steps, and the reset output is asserted after the Smart Reset input is held active for the selected tSRC delay time.
- What are the options for the reset pulse duration in the STM6519AUARUB6F?
The reset pulse duration can be either fully push-button controlled with no fixed or minimum pulse width guaranteed, or defined by a factory-programmed output reset pulse duration (tREC).
- What types of reset outputs are available for the STM6519AUARUB6F?
The reset output can be active-low or active-high, and it can be configured as push-pull or open drain with an optional pull-up resistor.
- What is the package type and size of the STM6519AUARUB6F?
The package type is UDFN6, with dimensions of 1.00 mm x 1.45 mm.
- Is the STM6519AUARUB6F RoHS compliant?
- What are some common applications for the STM6519AUARUB6F?
- How does the device enter test mode?
