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STM802 数据表(PDF) 25 Page - STMicroelectronics

部件名 STM802
功能描述  3V Supervisor with Battery Switchover
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM802 数据表(HTML) 25 Page - STMicroelectronics

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STM690/704/795/802/804/805/806
ILI
Input Leakage Current (MR)
STM704/806 only;
MR = 0V, VCC = 3V
20
75
350
µA
Input Leakage Current (PFI)
0V = VIN = VCC
–25
2
+25
nA
Input Leakage Current (WDI)
0V = VIN = VCC
–1
+1
µA
ILO
Output Leakage Current
STM804/805/795;
0V = VIN = VCC
(6)
–1
+1
µA
VIH
Input High Voltage (MR, WDI)
VRST (max) < VCC < 5.5V
0.7VCC
V
VIL
Input Low Voltage (MR, WDI)
VRST (max) < VCC < 5.5V
0.3VCC
V
VOL
Output Low Voltage (PFO,
RST, RST, Vccsw)
VCC = VRST (max),
ISINK = 3.2mA
0.3
V
Output Low Voltage (ECON)
VCC = VRST (max),
IOUT = 1.6mA, E = 0V
0.2VCC
V
VOL
Output Low Voltage (RST)
IOL = 40µA,
VCC = 1.0V, VBAT = VCC,
TA = 0°C to 85°C
0.3
V
IOL = 200µA,
VCC = 1.2V, VBAT = VCC
0.3
V
VOH
Output High Voltage (RST,
RST)(7)
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
VOHB
VOH Battery Back-up (Vccsw,
RST)
ISOURCE = 100µA,
VCC = 0V, VBAT = 2.8V
0.8VBAT
V
VOH Battery Back-up (ECON)
ISOURCE = 75µA,
VCC = 0V, VBAT = 2.8V
0.8VBAT
V
Power-fail Comparator (NOT available on STM795)
VPFI
PFI Input Threshold
PFI Falling
(VCC < 3.6V)
STM802/
804/806
1.212
1.237
1.262
V
STM690/
704/805
1.187
1.237
1.287
V
PFI Hysteresis
PFI Rising (VCC < 3.6V)
10
20
mV
tPFD
PFI to PFO Propagation
Delay
2µs
ISC
PFO Output Short to
GND Current
VCC = 3.6V, PFO = 0V
0.1
0.75
2.0
mA
Battery Switchover
VSO
Battery Back-up
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
Sym
Alter-
native
Description
Test Condition(1)
Min
Typ
Max
Unit



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