SR2

UDFN6 (1.6 x 1.3 mm) SR2 6 pin Smart Reset™ Datasheet - production data Applications  Wearable  Activity tracker  Smartwatch  Smartglasses Features  Operating voltage 1.65 V to 5.5 V  Low supply current 1.5 µA  Integrated test mode  Dual Smart Reset™ push-button inputs with fixed extended reset setup delay (tSRC) from 0.5 s to 10 s in 0.5 s steps (typ.), option with internal pull-up resistor  Push-button controlled reset pulse duration – Option 1: fully push-button controlled, no fixed or minimum pulse width guaranteed – Option 2: defined output reset pulse duration (tREC), factory-programmed  No power-on reset  Single reset output – Active low or active high – Push-pull or open drain with optional pullup resistor  Fixed Smart Reset™ input logic voltage levels  Operating temperature: - 40 °C to +85 °C  UDFN6 package: 1.6 mm x 1.3 mm  ECOPACK®2 (RoHS compliant, Halogen- Free) May 2014 This is information on a product in full production. DocID026047 Rev 2 1/22 www.st.com Contents SR2 Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Power supply (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Ground (VSS) ...