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STM703 Datasheet(PDF) 30 Page - STMicroelectronics

Part No. STM703
Description  5V Supervisor with Battery Switchover
Download  37 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STM703 Datasheet(HTML) 30 Page - STMicroelectronics

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STM690A/692A/703/704/802/805/817/818/819
30/37
VOH
Output High Voltage (RST,
RST)
ISOURCE = 1mA,
VCC = VRST (max)
2.4
V
Output High Voltage (ECON)
VCC = VRST (max),
IOUT = 1.6mA, E = VCC
0.8VCC
V
Output High Voltage (PFO)
ISOURCE = 75µA,
VCC = VRST (max)
0.8VCC
V
VOH
Output High Voltage
ISOURCE = 4µA, VCC = 1.1V,
VBAT = VCC, TA = 0°C to 85°C
0.8
V
ISOURCE = 4µA, VCC = 1.2V,
VBAT = VCC
0.9
V
VOHB
VOH Battery Back-up (RST,
RST)
ISOURCE = 100µA,
VCC = 0, VBAT = 2.8V
0.8VBAT
V
VOH Battery Back-up (ECON)
ISOURCE = 75µA,
VCC = 0, VBAT = 2.8V
0.8VBAT
V
Power-fail Comparator (NOT available on STM818)
VPFI
PFI Input Threshold
PFI Falling
(VCC = 5V)
All other
versions
1.20
1.25
1.30
V
STM802
1.225
1.250
1.275
V
tPFD
PFI to PFO Propagation
Delay
2µs
ISC
PFO Output Short to
GND Current
VCC = 5V, VPFO = 0V
0.10.752.0
mA
Battery Switchover
VSO
Battery Back-up
Switchover Voltage (7,8)
(VCC < VBAT & VCC < VRST)
Power-down
VRST > VBAT
VBAT
V
VRST < VBAT
VRST
V
Power-up
VRST > VBAT
VBAT
V
VRST < VBAT
VRST
V
Hysteresis
40
mV
Reset Thresholds
VRST
Reset Threshold(9)
STM690A/703, STM8XXL
4.50
4.65
4.75
V
STM692A/704, STM8XXM
4.25
4.40
4.50
V
Reset Threshold Hysteresis
25
mV
VCC to RST Delay (from
VRST, VCC falling at 10V/ms)
STM817/818/819
100
µs
trec
RST Pulse Width
140
200
280
ms
Sym
Alter-
native
Description
Test Condition(1)
Min
Typ
Max
Unit


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