STM6520 Dual push-button Smart Reset with push-button controlled output delay Features Dual Smart Reset push-button inputs, with user-selectable extended reset setup delay (by two-state input logic): t = 6, 10 s (min.) SRC Push-button controlled reset pulse duration (no fixed nor minimum pulse width guaranteed) TDFN8 (DG) No power-on reset 2 mm x 2 mm Dual reset outputs RST1 - active-low, open-drain RST2 - active-high, push-pull Applications Fixed Smart Reset input logic voltage levels Broad operating voltage range 1.65 V to 5.5 V, Mobile phones, smartphones inactive reset output levels valid down to 1.0 V e-books Low supply current 1.5 A MP3 players Operating temperature: 30 C to +85 C Games TDFN8 package: 2 mm x 2 mm x 0.75 mm Portable navigation devices RoHS compliant Any application that requires delayed reset push-button(s) response for improved system stability January 2011 Doc ID15953 Rev 6 1/23 www.st.com 1Contents STM6520 Contents 1 Description . 5 2 Device overview 6 3 Pin descriptions 7 3.1 Power supply (V ) 7 CC 3.2 Ground (V ) . 7 SS 3.3 Smart Reset inputs (SR0, SR1) . 7 3.4 User-selectable Smart Reset delay (DSR) . 7 3.5 Reset outputs (RST1, RST2) . 7 4 Typical application diagram . 8 5 Typical operating characteristics . 10 6 Maximum rating 11 7 DC and AC parameters 12 8 Package mechanical data 14 9 Package footprint 16 10 Tape and reel information 17 11 Ordering information . 20 12 Package marking information 21 13 Revision history . 22 2/23 Doc ID 15953 Rev 6