3-Pin Microprocessor Reset Circuits
MAX803L/M/R/S/T/Z, MAX809J/L/M/R/S/T/Z, MAX810L/M/R/S/T/Z
ELECTRICAL CHARACTERISTICS (continued)
(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
MIN
0.8V
CC
TYP
MAX
UNITS
V
V
CC
> V
TH
, RESET deasserted
1
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.
Typical Operating 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, V
CC
= +3V for R version, and V
CC
= +2.5V for Z version.)
SUPPLY CURRENT vs. TEMPERATURE
(SC70 PACKAGE, NO LOAD)
MAX803 toc01
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
MAX803-TOC4
15
100
POWER-DOWN RESET DELAY (μs)
140
POWER-DOWN RESET DELAY (μs)
120
100
80
60
40
20
0
V
OD
= V
TH
- V
CC
V
OD
= 10mV
MAX8_ _L/M, V
CC
= 5V
SUPPLY CURRENT (μA)
10
MAX8_ _R/S/T, V
CC
= 3.3V
MAX8_ _Z, V
CC
= 2.5V
5
80
60
V
OD
= 20mV
40
V
OD
= 20mV
20
0
V
OD
= 100mV
V
OD
= 200mV
-40
-20
20
0
40
TEMPERATURE (°C)
60
85
V
OD
= 100mV
V
OD
= 200mV
-40
-20
20
0
40
TEMPERATURE (°C)
60
85
MAX8_ _L/M/R/S/T/Z, V
CC
= 1V
0
-40
-20
0
20
40
60
85
TEMPERATURE (°C)
POWER-UP RESET TIMEOUT
vs. TEMPERATURE
MAX803-TOC5
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX803-TOC6
250
POWER-UP RESET TIMEOUT (ms)
1.003
1.002
NORMALIZED THRESHOLD
1.001
1.000
0.999
0.998
0.997
245
MAX8_ _J/L/M
240
MAX8_ _R/S/T/Z
235
230
225
-40
-20
0
20
40
60
85
TEMPERATURE (°C)
-40
-20
0
20
40
60
85
TEMPERATURE (°C)
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
