3-Pin SC70 ................................................... -40°C to +125°C
3-Pin SOT23 ................................................. -40°C to +105°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
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.
Electrical Characteristics
(V
CC
= full range, T
A
= -40°C to +105°C (SOT23) or T
A
= -40°C to +125°C (SC70), 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, V
CC
= 3V for R version, and V
CC
= 2.5V for Z version.) (Note 1)
PARAMETER
V
CC
Range
SYMBOL
CONDITIONS
T
A
= 0°C to +70°C
T
A
= -40°C to +105°C (MAX8_ _ _EUR)
T
A
= -40°C to +125°C (MAX8_ _ _EXR)
V
CC
< 5.5V, MAX8_ _L/M
V
CC
< 5.5V, MAX8_ _L/M
V
CC
< 5.5V, MAX8_ _L/M
V
CC
< 5.5V, MAX8_ _L/M
MIN
1.0
1.2
1.2
24
17
TYP
MAX
5.5
5.5
5.5
60
50
100
100
24
17
35
30
60
60
4.56
4.50
4.40
4.31
4.25
4.16
3.93
3.89
3.80
3.04
3.00
2.92
2.89
2.85
2.78
2.59
2.55
2.50
2.63
2.93
3.08
4.00
4.38
4.63
4.70
4.75
4.86
4.45
4.50
4.56
4.06
4.10
4.20
3.11
3.15
3.23
2.96
3.00
3.08
2.66
2.70
2.76
V
µA
V
UNITS
Supply Current (SOT23)
I
CC
T
A
= -40°C
to +85°C
T
A
= +85°C
to +105°C
T
A
= -40°C
to +85°C
T
A
= +85°C
to +125°C
MAX8_ _L
V
CC
< 3.6V, MAX8_ _R/S/T/Z
V
CC
< 3.6V, MAX8_ _R/S/T/Z
Supply Current (SC70)
I
CC
V
CC
< 3.6V, MAX8_ _R/S/T/Z
V
CC
< 3.6V, MAX8_ _R/S/T/Z
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= +25°C
MAX8_ _M
T
A
= -40°C to +125°C
MAX809J
(SOT only)
V
TH
MAX8_ _T
T
A
= -40°C to +85°C
T
A
= +25°C
Reset Threshold
(SOT only)
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= -40°C to +125°C
MAX8_ _S
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= -40°C to +125°C
MAX8_ _R
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
www.maximintegrated.com
Maxim Integrated │
2
MAX803/MAX809/
MAX810
Electrical Characteristics (continued)
3-Pin Microprocessor Reset Circuits
(V
CC
= full range, T
A
= -40°C to +105°C (SOT23) or T
A
= -40°C to +125°C (SC70), 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, V
CC
= 3V for R version, and V
CC
= 2.5V for Z version.) (Note 1)
PARAMETER
SYMBOL
MAX8_ _L
CONDITIONS
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= +25°C
MIN
4.56
4.50
4.44
4.31
4.25
4.20
3.04
3.00
2.95
2.89
2.85
2.81
2.59
2.55
2.52
2.28
2.25
2.22
30
20
140
100
140
100
240
240
560
840
460
840
0.3
0.4
0.3
0.8V
CC
V
CC
- 1.5
0.3
V
0.4
V
V
2.32
2.63
2.93
3.08
4.38
TYP
4.63
MAX
4.70
4.75
4.82
4.45
4.50
4.56
3.11
3.15
3.21
2.96
3.00
3.05
2.66
2.70
2.74
2.35
2.38
2.42
ppm/°C
µs
ms
ms
V
UNITS
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= +25°C
MAX8_ _M
T
A
= -40°C to +125°C
MAX8_ _T
Reset Threshold
(SC70 only)
V
TH
MAX8_ _S
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= -40°C to +125°C
MAX8_ _R
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= -40°C to +125°C
MAX8_ _Z
(SC70 only)
Reset Threshold Tempco
V
CC
to Reset Delay (Note 2)
Reset Active Timeout Period
(SOT23)
Reset Active Timeout Period
(SC70)
RESET
Output Voltage Low
(push-pull active low and open-
drain active low, MAX803 and
MAX809)
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
V
CC
= V
TH
to (V
TH
- 100mV)
T
A
= -40°C to +85°C
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= +85°C to +125°C
V
CC
= V
TH
(min), I
SINK
= 1.2mA,
MAX803R/S/T/Z, MAX809R/S/T/Z
V
OL
V
CC
= V
TH
(min), I
SINK
= 3.2mA,
MAX803L/M, MAX809J/L/M
V
CC
> 1.0V, I
SINK
= 50µA
V
OH
V
CC
> V
TH
(max), I
SOURCE
= 500µA,
MAX803R/S/T/Z, MAX809R/S/T/Z
V
CC
> V
TH
(max), I
SOURCE
= 800µA,
MAX803L/M, MAX809J/L/M
V
CC
= V
TH
(max), I
SINK
= 1.2mA,
MAX810R/S/T/Z
V
CC
= V
TH
(max), I
SINK
= 3.2mA,
MAX810L/M
RESET
Output Voltage High
(push-pull active low MAX809)
RESET Output Voltage Low
(push-pull active high, MAX810)
V
OL
www.maximintegrated.com
Maxim Integrated │
3
MAX803/MAX809/
MAX810
Electrical Characteristics (continued)
3-Pin Microprocessor Reset Circuits
(V
CC
= full range, T
A
= -40°C to +105°C (SOT23) or T
A
= -40°C to +125°C (SC70), 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, V
CC
= 3V for R version, and V
CC
= 2.5V for Z version.) (Note 1)
PARAMETER
RESET Output Voltage High
(push-pull active high, MAX810)
RESET Open-Drain Output
Leakage Current (MAX803)
(Note 3)
SYMBOL
V
OH
CONDITIONS
1.8V < V
CC
< V
TH
(min), I
SOURCE
= 150µA
V
CC
> V
TH
, RESET deasserted
MIN
0.8V
CC
1
TYP
MAX
UNITS
V
µA
Note 1:
Production testing done at T
A
= +25°C; limits over temperature guaranteed by design only.
Note 2:
RESET
output for MAX803/MAX809; RESET output for MAX810.
Note 3:
Guaranteed by design, not production tested.
(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, V
CC
= +3V for R version, and V
CC
= +2.5V for Z version.)
SUPPLY CURRENT vs. TEMPERATURE
(SC70 PACKAGE, NO LOAD)
MAX803 toc01
Typical Operating Characteristics
POWER-DOWN RESET DELAY vs.
TEMPERATURE (MAX8_ _R/S/T/Z)
MAX803-TOC3
POWER-DOWN RESET DELAY vs.
TEMPERATURE (MAX8_ _J/L/M)
V
OD
= V
TH
- V
CC
V
OD
= 10mV
POWER-DOWN RESET DELAY (µs)
120
100
80
60
40
20
0
-40
-20
V
OD
= 100mV
V
OD
= 200mV
20
0
40
TEMPERATURE (°C)
60
85
V
OD
= 20mV
MAX803-TOC4
15
MAX8_ _L/M, V
CC
= 5V
10
MAX8_ _R/S/T, V
CC
= 3.3V
MAX8_ _Z, V
CC
= 2.5V
5
MAX8_ _L/M/R/S/T/Z, V
CC
= 1V
0
-40
-20
0
20
40
60
100
POWER-DOWN RESET DELAY (µs)
80
60
40
20
0
V
OD
= V
TH
- V
CC
V
OD
= 10mV
V
OD
= 20mV
140
SUPPLY CURRENT (µA)
V
OD
= 100mV
V
OD
= 200mV
-40
-20
20
0
40
TEMPERATURE (°C)
60
85
85
TEMPERATURE (°C)
MAX803-TOC5
POWER-UP RESET TIMEOUT (µs)
MAX8_ _J/L/M
NORMALIZED THRESHOLD
245
240
235
230
225
1.002
1.001
1.000
0.999
0.998
0.997
MAX8_ _R/S/T/Z
-40
-20
0
20
40
60
85
-40
-20
0
20
40
60
85
TEMPERATURE (°C)
TEMPERATURE (°C)
www.maximintegrated.com
Maxim Integrated │
4
MAX803-TOC6
250
POWER-UP RESET TIMEOUT
vs. TEMPERATURE
1.003
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX803/MAX809/
MAX810
Pin Configuration
TOP VIEW
GND 1
3-Pin Microprocessor Reset Circuits
MAX803
MAX809
MAX810
RESET
(RESET) 2
3
V
CC
( ) ARE FOR MAX810.
MAX803 AVAILABLE IN SC70-3 ONLY.
SC70-3/SOT23-3
to V
CC
, starting 0.5V above the actual reset threshold
and ending below it by the magnitude indicated (reset
comparator overdrive). The graph indicates the maximum
pulse width a negative-going V
CC
transient can have with-
out causing a reset pulse. As the magnitude of the transient
increases (goes farther below the reset threshold), the
maximum allowable pulse width decreases. Typically, for
the MAX8__L and MAX8__M, a V
CC
transient that goes
100mV below the reset threshold and lasts 20μs or less will
not cause a reset pulse. A 0.1μF bypass capacitor mounted
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