FT7521L6X Datasheet PDF - ON Semiconductor

●The FT7521 is a timer for resetting a mobile device where long reset times are needed. The long delay helps avoid unintended resets caused by accidental key presses. It has a fixed delay of 7.5 ±20% seconds. The DSR pin enables Test Mode operation by immediately forcing /RST1 LOW for factory testing. The FT7521 has one input for single-button resetting capability. The device has a single open-drain output with 0.5 mA pull-down drive. current when inactive and functions over a power supply range of 2.0 V to 5.0 V.

●Features

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● Fixed Reset Delay: 7.5 Seconds

● One Input Reset Pin

● Open-Drain Output Pin with Fixed 400ms Pulse

● 2.0 V to 5.0 V Operation

● <1 µA ICCQ Consumption

● 0-Second Test-Mode Enable

● Integrated Pull-Up Resistor on /SRO