M
3-Pin Mic roproc essor Reset Circ uit
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
V
CC
........................................................................-0.3V to 6.0V
RESET,
RESET
..........................................-0.3V to (V
CC
+ 0.3V)
Input Current, V
CC
..............................................................20mA
Output Current, RESET,
RESET
..........................................20mA
Rate of Rise, V
CC.......................................................................
100V/μs
ELECTRICAL CHARACTERISTICS
(V
CC
= full range, T
A
= -40°C to +105°C, unless otherwise noted. Typical values are at T
A
= +25°C, V
CC
= 5V for L/M/J versions,
V
CC
= 3.3V for T/S versions, and V
CC
= 3V for R version.) (Note 1)
CONDITIONS
SYMBOL
PARAMETER
T
A
= 0°C to +70°C
V
CC
Range
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70°C)
SOT23 (derate above +70°C by 4mW/°C)...................320mW
Operating Temperature Range .........................-40°C to +105°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
V
CC
= V
TH
to (V
TH
- 100mV)
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
μs
20
240
V
CC
to Reset Delay (Note 2)
3.04
2.92
2.89
2.85
2.78
2.59
3.11
3.23
2.96
3.00
3.08
2.66
4.25
4.16
3.93
3.89
3.80
4.50
4.56
4.06
4.10
4.20
4.56
4.50
4.40
4.31
4.63
4.70
4.75
4.86
4.45
4.38
UNITS
MIN
1.0
TYP
MAX
5.5
MAX8_ _L
MAX8_ _M
V
TH
Reset Threshold (Note 2)
MAX809J
V
3.00
3.08
3.15
4.00
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
V
CC
= V
TH
min, I
SINK
= 1.2mA, MAX809R/S/T
V
CC
= V
TH
min, I
SINK
= 3.2mA, MAX809L/M
V
CC
> 1.0V, I
SINK
= 50μA
0.3
0.4
0.3
V
V
OL
RESET
Output Voltage Low
(MAX809)
T
A
= -40°C to +105°C
1.2
5.5
60
V
T
A
= -40°C to
+85°C
μA
17
50
100
I
CC
Supply Current
24
ppm/°C
30
Reset Threshold Tempco
T
A
= +85°C to
+105°C
100
V
CC
< 5.5V, MAX8_ _ L/M
V
CC
< 3.6V, MAX8_ _ R/S/T
100
840
Reset Active Timeout Period
ms
140
560
MAX8_ _S
MAX8_ _R
2.50
2.76
2.55
2.70
2.93
2.63
MAX8_ _T
V
CC
< 5.5V, MAX8_ _ L/M
V
CC
< 3.6V, MAX8_ _ R/S/T