April 2008
rev 1.7
Electrical Characteristics
ASM690A/692A
ASM802L/802M
ASM805L
Unless other wise noted, V
CC
= 4.75V to 5.5V for the ASM690A / ASM802L / ASM805L and V
CC
= 4.5V to 5.5V for the
ASM692A / ASM802M;V
BATT
= 2.8V; and T
A
= T
MIN
to T
MAX
.
Parameter
V
CC
, V
BATT
Voltage
Range (Note 1)
Supply Current
Excluding I
OUT
I
SUPPLY
in Battery
Backup Mode
(Excluding I
OUT
)
V
BATT
Standby
Current (Note 2)
V
OUT
Output
V
OUT
in Battery
Backup Mode
Battery Switch
Threshold,
V
CC
to V
BATT
Battery Switch over
Hysteresis
Reset Threshold
Reset Threshold
Hysteresis
Reset Pulse Width
SYMBOL
Conditions
1.1
Min
TYP
Max
5.5
Unit
V
µA
I
S
T
A
= 25°C
V
CC
= 0V, V
BATT
= 2.8V
T
A
=T
MIN
to T
MAX
5.5V>V
CC
>V
BATT
+ 0.2V
I
OUT
= 5mA
I
OUT
= 50mA
I
OUT
=250µA, V
CC
< V
BATT
- 0.2V
V
CC
< V
RT
Power Up
Power Down
T
A
= 25°C
T
A
=T
MIN
to T
MAX
-0.1
-1.0
V
CC
-0.025
V
CC
-0.25
V
BATT- 0
.1
35
1.5
100
µA
5.0
0.02
0.02
V
CC
-
0.010
V
CC
-
0.10
V
BATT
-
0.001
20
-20
40
µA
V
V
mV
mV
4.75
4.50
4.70
4.45
V
RT
ASM690A/802L/805L
ASM692A, ASM802M
ASM802L, T
A
= 25°C, V
CC
falling
ASM802M, T
A
=25°C, V
CC
falling
4.50
4.25
4.55
4.30
4.65
4.40
V
40
t
RS
I
SOURCE
= 800µA
I
SINK
= 3.2mA
ASM69_AC,ASM802_C,V
CC
=1.0V,I
SINK
=50µA
ASM69_AE,ASM802_E,V
CC
=
1.2V
,I
SINK
=
100
µA
ASM805LC, I
SOURCE
=4µA, V
CC
= 1.1V
ASM805LE, I
SOURCE
=4µA, V
CC
= 1.2V
ASM805L, I
SOURCE
=800µA
ASM805L, I
SINK
=3.2mA
t
WD
t
WP
V
IL
= 0.4V, V
IH
= 0.8V
CC
WDI = V
CC
WDI = 0V
V
CC
= 5V, Logic LOW
V
CC
= 5V, Logic HIGH
3.5
140
V
CC
- 1.5
200
280
0.4
0.3
0.3
mV
ms
Reset Output
Voltage
0.8
0.9
V
CC
- 1.5
0.4
1.00
50
-150
50
-50
150
0.8
1.60
2.25
V
Watchdog Timeout
WDI Pulse Width
WDI Input Current
WDI Input
Threshold
(Note 3)
sec
ns
µA
µA
V
µP Power Supply Supervisor With Battery Backup Switch
Notice: The information in this document is subject to change without notice.
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