Datasheet
MAX803L/M/R/S/T/Z, MAX809J/L/M/R/S/T/Z, MAX810L/M/R/S/T/Z
3-Pin Microprocessor Reset Circuits
_______________________________________________________________________________________ 3
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.
T
A
= -40°C to +85°C
T
A
= +85°C to +105°C
T
A
= -40°C to +85°C
V
CC
= V
TH
to (V
TH
- 100mV)
CONDITIONS
140 240 460
Reset Active Timeout Period
(SC70)
ms
100 840
140 240 560
Reset Active Timeout Period
(SOT23)
µs20V
CC
to Reset Delay (Note 2)
ppm/°C30Reset Threshold Tempco
UNITSMIN TYP MAXSYMBOLPARAMETER
T
A
= +85°C to +105°C
V
CC
= V
TH
max, I
SINK
= 3.2mA,
MAX810L/M
V
CC
= V
TH
max, I
SINK
= 1.2mA,
MAX810R/S/T/Z
V
CC
> V
TH
max, I
SOURCE
= 800µA,
MAX809J/L/M
V
CC
> V
TH
max, I
SOURCE
= 500µA,
MAX809R/S/T/Z
V
CC
= V
TH
min, I
SINK
= 1.2mA,
MAX803R/S/T/Z, MAX809R/S/T/Z
V
CC
= V
TH
min, I
SINK
= 3.2mA,
MAX803L/M, MAX809J/L/M
V
CC
> V
TH
, RESET deasserted
V
CC
> 1.0V, I
SINK
= 50µA
1.8V < V
CC
< V
TH
min, I
SOURCE
= 150µA
µA1
RESET Open-Drain Output
Leakage Current (MAX803)
V0.8V
CC
V
OH
RESET Output Voltage High
(push-pull active high, MAX810)
ms
100 840
0.4
V
0.3
V
OL
RESET Output Voltage Low
(push-pull active high, MAX810)
V
CC
- 1.5
V
0.8V
CC
V
OH
RESET Output Voltage High
(push-pull active low, MAX809)
V
0.3
V
OL
RESET Output Voltage Low
(push-pull active low and open-
drain active-low, MAX803 and
MAX809)
0.4
0.3
0
POWER-DOWN RESET DELAY vs.
TEMPERATURE (MAX8_ _R/S/T/Z)
80
100
MAX803-TOC3
TEMPERATURE (°C)
POWER-DOWN RESET DELAY (µs)
40
20
60
-40
85
20
-20
0
60
40
V
OD
= V
TH
- V
CC
V
OD
= 20mV
V
OD
= 10mV
V
OD
= 200mV
V
OD
= 100mV
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.)
ELECTRICAL CHARACTERISTICS (continued)
(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.) (Note 1)
-40 20 40
40
-20 0 60 85
SUPPLY CURRENT vs. TEMPERATURE
(SC70 PACKAGE, NO LOAD)
MAX803 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
0
5
10
15
MAX8_ _R/S/T, V
CC
= 3.3V
MAX8_ _L/M/R/S/T/Z, V
CC
= 1V
MAX8_ _Z, V
CC
= 2.5V
MAX8_ _L/M, V
CC
= 5V