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STM6315：Open Drain Microprocessor Reset

The STM6315 Microprocessor Reset Circuit is a low power supervisory device used to monitor power supplies. It performs a single function: asserting a reset signal whenever the V_CC supply voltage drops below a preset value and keeping it asserted until V_CC has risen above the preset threshold for a minimum period of time (t_rec). It also provides a manual reset input ( MR ). The open drain RST output can be pulled up to a voltage higher than V_CC, but less than 6V.

The STM6315 comes with standard factory-trimmed reset thresholds of 2.63V, 2.93V, 3.08V, 4.38V, and 4.63V. The STM6315 is available in the SOT143-4 package.

Key Features

• Available in SOT143-4 package.
• Operating temperature: -40 to +125˚C
• Low supply current of 1.5μA (typ)
• Guaranteed RST assertion down to VCC = 1.0V
• ±1.8% reset threshold accuracy (25˚C)
• Power supply transient immunity
• Open drain RST output can exceed VCC

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