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STM6522 Dataheets PDF



Part Number STM6522
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Dual push-button Smart Reset
Datasheet STM6522 DatasheetSTM6522 Datasheet (PDF)

STM6522 Dual push-button Smart Reset™ with capacitor-adjustable setup delay Features ■ Dual Smart Reset™ push-button inputs with capacitor-adjustable extended reset setup delay (tSRC) ■ No power-on reset ■ Dual RST output, active-low, open-drain ■ Fixed Smart Reset™ input logic voltage levels ■ Broad operating voltage range 1.65 V to 5.5 V, inactive reset output levels valid down to 1.0 V ■ Low supply current (1.5 µA) ■ Operating temperature: industrial grade –40 °C to +85 °C ■ TDFN8 package: 2.

  STM6522   STM6522


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STM6522 Dual push-button Smart Reset™ with capacitor-adjustable setup delay Features ■ Dual Smart Reset™ push-button inputs with capacitor-adjustable extended reset setup delay (tSRC) ■ No power-on reset ■ Dual RST output, active-low, open-drain ■ Fixed Smart Reset™ input logic voltage levels ■ Broad operating voltage range 1.65 V to 5.5 V, inactive reset output levels valid down to 1.0 V ■ Low supply current (1.5 µA) ■ Operating temperature: industrial grade –40 °C to +85 °C ■ TDFN8 package: 2 mm x 2 mm x 0.75 mm ■ RoHS compliant Applications ■ Mobile phones, smartphones ■ e-books ■ MP3 players ■ Games ■ Portable navigation devices ■ Any application that requires delayed reset push-button(s) response for improved system stability TDFN8 (DG) 2 mm x 2 mm January 2012 Doc ID 17045 Rev 3 1/25 www.st.com 1 Contents Contents STM6522 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1 Power supply (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 Ground (VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3 Primary Smart Reset™ input (SR0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 Secondary Smart Reset™ input (SR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.5 Adjustable delay of Smart Reset™ (SRC pin) . . . . . . . . . . . . . . . . . . . . . 10 2.6 Reset output (RST1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.7 Reset output (RST2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7 Package footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 8 Tape and reel information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 9 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 10 Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2/25 Doc ID 17045 Rev 3 STM6522 List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 tSRC programmed by an ideal external capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Operating and measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 TDFN – 8-lead 2 x 2 x 0.75 mm, 0.5 mm pitch package mechanical data . . . . . . . . . . . . . 17 Parameters for landing pattern - TDFN – 8-lead 2 x 2 mm package . . . . . . . . . . . . . . . . . 18 Carrier tape dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Reel dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Doc ID 17045 Rev 3 3/25 List of figures List of figures STM6522 Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Bloc.


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