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
26/30 Doc ID 11469 Rev 8
7 Part numbering
Table 11. Ordering information scheme
Example: STM67xx LT WY 6 F
Device type
STM67xx
Reset thresholds (V
RST1
and V
RST2
) for V
CC1
and V
CC2
STM6717/18/19/20/77/78 (V
RST1
and V
RST2
) STM6779/80 (V
RST1
only)
Suffix V
RST1
V
RST2
Suffix V
RST1
LT 4.625 3.075 L–
(1)
4.625
MS 4.375 2.925 T–
(1)
3.075
MR 4.375 2.625 S–
(1)
2.925
TZ
(1)
3.075 2.313 Y–
(1)
2.188
TW
(1)
3.075 1.665 V–
(1)
1.575
TI 3.075 1.388 R– 2.625
TG
(1)
3.075 1.110 Z– 2.313
TK 3.075 0.925
TE 3.075 0.833
SY
(1)
2.925 2.188
SV
(1)
2.925 1.575
SH
(2)
2.925 1.313
SF
(1)
2.925 1.050
SJ
(3)
2.925 0.875
SD
(3)
2.925 0.788
YV 2.188 1.575
YH 2.188 1.313
YF 2.188 1.050
YJ 2.188 0.875
YD 2.188 0.788
VH 1.575 1.313
VF 1.575 1.050
VJ 1.575 0.875
VD 1.575 0.788
Reset pulse width
blank: t
rec
= 140 ms to 280 ms
B: t
rec
= 8.8 ms to 17.6 ms
G: t
rec
= 600 ms to 1200 ms
Package
WY = SOT23-5
WB = SOT23-6
Temperature range
6 = –40 to 85°C
Shipping method
E = ECOPACK
®
package, tubes
F = ECOPACK
®
package, tape and reel
R
(4)
= ECOPACK
®
package, tape and reel (pin 1 at top right).
1. T
hese are standard versions and are typically held in stock. A non-standard version may require a higher minimum volumes, and/or longer
delivery times. For other options, or for more information on any aspect of this device, please contact the ST sales office nearest you.
2. Available in STM6719 version only.
3. Available in STM6717 version only.
4. Available for STM6720SY, STM6719SF and STM6719SFB versions only.