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STM1404ATOHQ6F

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P35
STM1404 Typical operating characteristics
19/36
Figure 13. V
PFI
threshold vs. temperature
Figure 14. Reset comparator propagation delay vs. temperature
Figure 15. Power-up t
rec
vs. temperature
Figure 16. Normalized reset threshold vs. temperature
1.225
1.230
1.235
1.240
1.245
1.250
1.255
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE [°C]
V
PFI
THRESHOLD [V]
V
CC
= 2.5V
V
CC
= 3.3V
V
BAT
= 3.0V
AI09693
10
12
14
16
18
20
22
24
–60 –40 –20 0 20 40 60 80 100
TEMPERATURE [°C]
PROPAGATION DELAY [µs]
V
BAT
= 3.0V
100mV OVERDRIVE
AI09143
195
200
205
210
215
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE [°C]
t
rec
[ms]
10
12
14
16
18
20
22
24
–60 –40 –20 0 20 40 60 80 100
TEMPERATURE [°C]
PROPAGATION DELAY [µs]
V
BAT
= 3.0V
100mV OVERDRIVE
AI09143
0.994
0.996
0.998
1.000
1.002
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE [°C]
NORMALIZED RESET THRESHOLD
[V]
V
BAT
= 3.0V
AI09145
Typical operating characteristics STM1404
20/36
Figure 17. PFI to PFO propagation delay vs. temperature
Figure 18. RST
output voltage vs. supply voltage
Figure 19. RST
response time (assertion)
0
1
2
3
4
5
6
7
8
9
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE [°C]
PROPAGATION DELAY [µs]
AI09148
RST OUTPUT VOLTAGE [V]
500 ms/div
AI09149b
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
V
CC
V
RST
V
CC
LEVEL [V]
AI09151b
2 µs/div
0.0
1.0
2.0
3.0
4.0
V
CC
V
RST
STM1404 Typical operating characteristics
21/36
Figure 20. Power-fail comparator response time (assertion)
Figure 21. Power-fail comparator response time (de-assertion)
V
PFO
LEVEL [V]
V
PFI
LEVEL [V]
2µs/div
AI09153b
0.0
1.0
2.0
3.0
4.0
1.15
1.20
1.25
1.30
1.35
1.40
1.45
PFO
PFI
V
PFO
LEVEL (V)
V
PFI
LEVEL (V)
2 µs/div
AI09154
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
1.15
1.20
1.25
1.30
1.35
1.40
1.45
PFI
PFO
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P35

STM1404ATOHQ6F

Mfr. #:
Buy STM1404ATOHQ6F
Manufacturer:
STMicroelectronics
Description:
Supervisory Circuits 3V FIPS 140 Security supervisor
Lifecycle:
New from this manufacturer.
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