STM690 STMicroelectronics, STM690 Datasheet - Page 24

• Manufacturer Part Number: STM690
• Description: 3v Supervisor With Battery Switchover
• Manufacturer: STMicroelectronics

STM690/704/795/802/804/805/806
Figure 37. MR Timing Waveform
Note: 1. RST for STM805.
Figure 38. Watchdog Timing
Table 7. DC and AC Characteristics
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V
I
V
V
Sym
BAT
V
BAT
I
OUT1
OUT2
CC
CC
(4)
(2)
,
RST
MR
V
RST
WDI
native
V
Alter-
V
CC
BAT
CC
(1)
to V
to V
tMLRL
Operating Voltage
V
V
Battery Back-up Mode
V
Battery Back-up Mode
V
V
Back-up)
OUT
OUT
CC
CC
BAT
OUT
OUT
Supply Current
Supply Current in
On-resistance
On-resistance
Supply Current in
Voltage (Active)
Voltage (Battery
Description
trec
tMLMH
Excluding I
Excluding I
I
OUT2
I
OUT2
V
CC
T
Test Condition
A
= 250µA, V
I
Excluding I
Excluding I
I
trec
I
OUT1
= 2.0V, MR = V
OUT1
= 1mA, V
(V
V
(V
OUT1
= –40 to +85°C
CC
BAT
BAT
OUT
OUT
> 2.5V
= 250µA,
= 5mA
= 75mA
= 3.6V)
= 2.3V,
(V
(V
BAT
BAT
CC
CC
OUT
OUT
(5)
(5)
= 2.3V
(1)
< 5.5V)
< 3.6V)
= 2.3V
CC
)
tWD
0.0015
V
V
V
V
1.1
0.03
Min
BAT
0.3
0.1
CC
CC
CC
(3)
–
–
–
–
0.0006
V
V
V
V
V
0.015
0.034
0.15
0.14
Typ
BAT
BAT
100
0.4
CC
CC
CC
40
35
25
3
–
–
–
–
–
AI07837a
AI07891
Max
5.5
1.0
60
50
35
4
Unit
µA
µA
µA
µA
V
V
V
V
V
V