SR2UABU STMicroelectronics

SR2 6 pin Smart Reset Datasheet - production data Applications Wearable Activity tracker Smartwatch Smartglasses UDFN6 (1.6 x 1.3 mm) Features Operating voltage 1.65 V to 5.5 V Low supply current 1.5 A Integrated test mode Dual Smart Reset push-button inputs with fixed extended reset setup delay (t ) from SRC 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 (t ), factory-programmed REC No power-on reset 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: - 40 C to +85 C UDFN6 package: 1.6 mm x 1.3 mm ECOPACK 2 (RoHS compliant, Halogen- Free) May 2014 DocID026047 Rev 2 1/22 This is information on a product in full production. www.st.comContents SR2 Contents 1 Description . 3 1.1 Test mode 3 2 Pin descriptions 6 2.1 Power supply (V ) 6 CC 2.2 Ground (V ) . 6 SS 2.3 Smart Reset input (SR0) . 6 2.4 Smart Reset input (SR1) . 6 2.5 Reset output (RST) 6 3 Typical application diagram . 7 4 Timing waveforms . 9 5 Typical operating characteristics . 11 6 Maximum ratings . 13 7 DC and AC parameters 14 8 Package information 16 9 Part numbering 19 10 Package marking information 20 11 Revision history . 21 2/22 DocID026047 Rev 2