STM804 STMICROELECTRONICS [STMicroelectronics], STM804 Datasheet - Page 24

• Manufacturer Part Number: STM804
• Description: 3V Supervisor with Battery Switchover
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM690/704/795/802/804/805/806
24/31
Power-fail Comparator (NOT available on STM795)
Battery Switchover
V
Sym
V
V
t
V
V
V
PFD
I
OHB
SC
OH
PFI
OL
SO
OL
native
Alter-
Output Low Voltage (PFO,
RST, RST, Vccsw)
Output Low Voltage (E
Output Low Voltage (RST)
Output High Voltage (RST,
RST)
Output High Voltage (E
Output High Voltage (PFO)
V
Vccsw, RST)
OH
PFI to PFO Propagation
Switchover Voltage
PFO Output Short to
Battery Back-up (E
PFI Input Threshold
(7)
Battery Back-up
PFI Hysteresis
GND Current
Description
Hysteresis
Delay
V
SW
CON
(8,9)
CON
CON
)
)
,
(V
Power-down
PFI Falling
Power-up
I
V
CC
PFI Rising (V
I
OL
V
OUT
I
CC
OUT
CC
V
V
V
V
V
I
Test Condition
< 3.6V)
T
I
SOURCE
= 40µA; V
I
CC
CC
CC
SOURCE
CC
CC
A
SOURCE
= 1.2V; V
I
I
= 1.6mA, E = V
= 3.6V, PFO = 0V
SINK
V
= 1.6mA, E = 0V
OL
= 0°C to 85°C
= V
= V
BAT
= V
= V
= V
= 200µA;
= 3.2mA
RST
RST
RST
RST
RST
= V
= 100µA,
= 75µA,
= 1mA,
CC
CC
V
V
V
V
BAT
CC
STM802/
STM690/
(max),
(max),
(max),
BAT
BAT
BAT
BAT
(max)
(max)
804/806
704/805
< 3.6V)
= 1.0V;
;
= V
(1)
> V
< V
> V
< V
CC
CC
SW
SW
SW
SW
0.8V
0.8V
0.8V
1.212
1.187
Min
2.4
0.1
BAT
CC
CC
1.237
1.237
V
V
0.75
V
V
Typ
2.4
10
40
BAT
BAT
SW
SW
2
0.2V
1.262
1.287
Max
0.3
0.3
0.3
2.0
20
CC
Unit
mV
mA
mV
µs
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V