2
www.fairchildsemi.com
F
μ
C
FM809/810 Rev. C
Absolute Maximum Ratings
Voltage on any terminal relative to GND
V
CC
RESET, RESET
-0.3V to +6.0V
-0.3V to (V
CC
+ 0.3V)
Input Current
20mA
Output Current: RESET, RESET
20mA
Rate of Rise of V
CC
100V/
μ
s
Continuous Power Dissipation (T
A
= +70
°
C)
SOT23-3 (derate 4mW/
°
C above +70
°
C)
320mW
Operating Temperature Range
-40
°
C to +105
°
C
Storage Temperature Range
-65
°
C to +150
°
C
Lead Temperature (soldering, 10s)
+300
°
C
These are stress ratings only, and functional operation is not implied for these levels or beyond. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
Electrical Characteristics
(T
A
= 25
°
C unless otherwise noted)
V
CC
= full range, as noted under conditions. See Note 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
(Note 3)
Operating Voltage
V
CC
T
A
= 0
°
C to +70
°
C
T
A
= -40
°
C to 85
°
C
T
A
= -40
°
C to 85
°
C, V
CC
< 5.5V
FM809J/L/M
T
= -40
°
C to 85
°
C, V
CC
< 3.6V
FM809R/S/T
1.0
1.1
5.5
5.5
V
Supply Current
I
CC
5
10
μ
A
2
6
Reset Threshold
V
TH
FM8xxL
T
A
= -40
°
C to +105
°
C
T
A
= -40
°
C to +105
°
C
T
A
= -40
°
C to +105
°
C
T
A
= -40
°
C to +105
°
C
T
A
= -40
°
C to +105
°
C
T
A
= -40
°
C to +105
°
C
4.40
4.63
4.86
V
FM8xxM
4.18
4.38
4.52
FM8xxJ
3.90
4.00
4.18
FM8xxT
2.97
3.08
3.19
FM8xxS
2.79
2.93
3.00
FM8xxR
2.49
2.63
2.70
Reset Threshold Tempco
30
ppm/
°
C
V
CC
to Reset Delay (Note 2)
Reset Active Timout Period
V
CC
= V
TH
to (V
TH
- 100mV)
T
A
= -40
°
C to +85
°
C
10
μ
s
140
256
560
ms
FM809 Output Low (RESET)
V
OL
V
CC
= V
TH
(min), I
SINK
= 1.2mA,
FM809R/S/T
V
CC
= V
TH
(min), I
SINK
= 3.2mA,
FM809J/L/M
V
CC
= < 1.0V, I
SINK
= 50
μ
A
0.3
V
0.4
0.3
FM809 Output High (RESET)
V
OH
V
CC
> V
TH
(max), I
SOURCE
= 500
μ
A
V
CC
> V
TH
(max), I
SOURCE
= 800
μ
A
V
CC
= V
TH
(max), I
SINK
= 1.2mA,
FM810R/S/T
V
= V
(max), I
SINK
= 3.2mA,
FM810J/L/M
0.8V
CC
V
CC
- 1.5V
V
FM810 Output Low (RESET)
V
OL
0.3
V
0.4
FM810 Output High (RESET)
V
OH
1.8V < V
CC
< V
TH
(min), I
SOURCE
= 150
μ
A
0.8V
CC
V
Note 1:
Testing in production is 25
°
C only. Limits over temperature are guaranteed by design.
Note 2:
RESET output is for FM809. RESET output is for FM810.
Note 3:
Typical values are at 25
°
C.