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STM690 数据表(PDF) 34 Page - STMicroelectronics

部件名 STM690
功能描述  3 V supervisor with battery switchover
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM690 数据表(HTML) 34 Page - STMicroelectronics

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DC and AC parameters
STM690, STM704, STM795, STM802, STM804, STM805, STM806
34/42
Doc ID 10519 Rev 9
ISC
PFO output short to GND
current
VCC = 3.6 V, PFO = 0 V
0.1
0.75
2.0
mA
Battery switchover
VSO
Battery backup switchover
voltage(8)(9)
Power-down
VBAT > VSW
VSW
V
VBAT < VSW
VBAT
V
Power-up
VBAT > VSW
VSW
V
VBAT < VSW
VBAT
V
VSW
2.4
V
Hysteresis
40
mV
Reset thresholds
VRST
(10)
Reset threshold
STM690T/
704T/795T/ 805T
VCC falling
3.00
3.075
3.15
V
VCC rising
3.00
3.085
3.17
V
STM802T/
804T/806T
VCC falling
3.00
3.075
3.12
V
VCC rising
3.00
3.085
3.14
V
STM690S/
704S/795S/ 805S
VCC falling
2.85
2.925
3.00
V
VCC rising
2.85
2.935
3.02
V
STM802S/
804S/806S
VCC falling
2.88
2.925
3.00
V
VCC rising
2.88
2.935
3.02
V
STM690R/
704R/795R/ 805R
VCC falling
2.55
2.625
2.70
V
VCC rising
2.55
2.635
2.72
V
STM802R/
804R/806R
VCC falling
2.59
2.625
2.70
V
VCC rising
2.59
2.635
2.72
V
trec
RST pulse width
VCC < 3.6 V
140
200
280
ms
Push-button reset input (STM704/806)
tMLMH
tMR
MR pulse width
100
20
ns
tMLRL
tMRD MR to RST output delay
60
500
ns
Watchdog timer (NOT available on STM704/795/806)
tWD
Watchdog timeout period
VRST (max) < VCC < 3.6 V
1.12
1.60
2.24
s
WDI pulse width
VRST (max) < VCC < 3.6 V
100
20
ns
Chip enable gating (STM795 only)
E to ECON resistance
VCC = VRST (max)
46
Ω
Table 7.
DC and AC characteristics (continued)
Sym
Alter-
native
Description
Test condition(1)
Min
Typ
Max
Unit



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