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

Part numbering STM6717/6718/6719/6720/STM6777/6778/6779/6780
28/30 Doc ID 11469 Rev 8
Note: For topside marking, “7” is the family number, followed by the V
RST1
threshold, V
RST2
threshold and device number (1,9 = STM6717, 2 = 6718, 3 = 6719, 4 = 6720, 5 = 6777,
6 = 6778, 7 = 6779, 8 = 6780).
For bottomside marking, “P” = assembly site, “Y” = 1-digit year, and “WW” = 2-digit work
week.
STM6778SF 2.925 1.050 7SF6 PYWW
STM6778TG 3.075 1.110 7TG6 PYWW
STM6778TW 3.075 1.665 7TW6 PYWW
STM6778SV 2.925 1.575 7SV6 PYWW
STM6778SY 2.925 2.188 7SY6 PYWW
STM6778TZ 3.075 2.313 7TZ6 PYWW
STM6779L 4.625 — 7Lx7 PYWW
STM6779T 3.075 — 7Tx7 PYWW
STM6779S 2.925 — 7Sx7 PYWW
STM6779Y 2.188 — 7Yx7 PYWW
STM6779V 1.575 — 7Vx7 PYWW
STM6780L 4.625 — 7Lx8 PYWW
STM6780T 3.075 — 7Tx8 PYWW
STM6780S 2.925 — 7Sx8 PYWW
STM6780Y 2.188 — 7Yx8 PYWW
STM6780V 1.575 — 7Vx8 PYWW
Table 12. Marking description (continued)
Part number V
RST1
threshold (V) V
RST2
threshold (V) Topside marking Bottomside marking