Datasheet
Table Of Contents
- Table 1. Device summary
- 1 Description
- Figure 1. Logic diagram (STM6717/18)
- Figure 2. Logic diagram (STM6777/78)
- Figure 3. Logic diagram (STM6719/20)
- Figure 4. Logic diagram (STM6779/80)
- Table 2. Signal names
- Figure 5. STM6717/18 SOT23-5 connections
- Figure 6. STM6777/78 SOT23-6 connections
- Figure 7. STM6719/20 SOT23-6 connections
- Figure 8. STM6779/80 SOT23-6 connections
- 1.1 Pin descriptions
- 1.1.1 Active-low, push-pull reset output (RST) - STM6718/20/78/80
- 1.1.2 Active-low, open drain reset output (RST) - STM6717/19/77/79
- 1.1.3 Push-button reset input (MR)
- 1.1.4 Manual reset delay input (MRC) - STM6777/78/79/80)
- 1.1.5 Primary supply voltage monitoring input (VCC1)
- 1.1.6 Secondary supply voltage monitoring input (VCC2)
- 1.1.7 Adjustable reset comparator input (RSTIN; STM6719/20/79/80)
- 2 Operation
- 3 Typical operating characteristics
- Figure 13. Supply current vs. temperature (VCC1 = 5.5 V; VCC2 = 3.6 V)
- Figure 14. Supply current vs. temperature (VCC1 = 3.6 V; VCC2 = 2.75 V)
- Figure 15. Supply current vs. temperature (VCC1 = 3.0 V; VCC2 = 2.0 V)
- Figure 16. Supply current vs. temperature (VCC1 = 2.0 V; VCC2 = 1.0 V)
- Figure 17. Normalized VCC reset time-out period vs. temperature
- Figure 18. Maximum VCC transient duration vs. reset threshold overdrive
- Figure 19. Normalized VRST1 threshold vs. temperature
- Figure 20. Normalized VRST2 threshold vs. temperature
- Figure 21. Reset input threshold vs. temperature
- Figure 22. VCC1-to-reset delay vs. temperature
- Figure 23. Reset input-to-reset output delay vs. temperature
- Figure 24. MR-to-reset output delay vs. temperature (VCC1 = 3.6V)
- 4 Maximum rating
- 5 DC and AC parameters
- 6 Package mechanical data
- Figure 28. SOT23-5 - 5-lead small outline transistor package mechanical drawing
- Table 8. SOT23-5 - 5-lead small outline transistor package mechanical data
- Figure 29. SOT23-6 - 6-lead small outline transistor package mechanical drawing
- Table 9. SOT23-6 - 6-lead small outline transistor package mechanical data
- Figure 30. Carrier tape for SOT23-5L and SOT23-6L
- Table 10. Carrier tape dimensions for SOT23-5L and SOT23-6L
- 7 Part numbering
- 8 Revision history

STM6717/6718/6719/6720/STM6777/6778/6779/6780 Revision history
Doc ID 11469 Rev 8 29/30
8 Revision history
Table 13. Document revision history
Date Revision Changes
18-Oct-2004 1 First draft
25-Oct-2004 1.1 Descriptive text, sales types (Tabl e 11 )
14-Jan-2005 1.2 Update characteristics, pin functions (Tabl e 2)
09-Feb-2005 1.3 Update characteristics (Figure 9; Tabl e 3)
08-Apr-2005 1.4
Update characteristics and mechanical dimensions; add table
(Figure 9, 10, 27, 28, 29; Ta b le 4 , 6, 11, 8, 9)
28-Jul-2005 1.5 Update characteristics, reset delay (Figure 10, 27; Ta b l e 4, 6, 7, 11)
13-Sep-2005 2
Add operating characteristics; update timings, document status, Lead-
free text (Figure Figure 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
26, 27; Tabl e 11 )
07-Oct-2005 3 Marked STM6779/6780 as availability request parts (Ta b l e 1 , 11)
07-Feb-2007 4 Updated STM6779/6780 availability (cover page, Tabl e 1 , 11)
12-Jun-2007 5 Updated Ta bl e 11 , added Table 12: Marking description.
05-Dec-2007 6 Updated cover page, Tabl e 6,
11, and 12.
22-Mar-2010 7
Updated Features; Ta b l e 6, 8, 9, 11, 12; footnote 1 of Ta bl e 4 ;
Section 6: Package mechanical data; added tape and reel
specifications (Figure 30, Ta ble 10 , footnote 4 of Tabl e 11 );
reformatted document.
02-Aug-2011 8 Removed footnote from Table 6: DC and AC characteristics.