3-Pin Microprocessor Reset Circuits
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)
PARAMETER
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)
V
CC
= V
TH
to (V
TH
- 100mV)
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 +105°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
RESET
Output Voltage High
(push-pull active low, MAX809)
V
CC
> V
TH
max, I
SOURCE
= 500µA,
MAX809R/S/T/Z
V
OH
V
CC
> V
TH
max, I
SOURCE
= 800µA,
MAX809J/L/M
V
CC
= V
TH
max, I
SINK
= 1.2mA,
MAX810R/S/T/Z
V
OL
V
CC
= V
TH
max, I
SINK
= 3.2mA,
MAX810L/M
1.8V < V
CC
< V
TH
min, I
SOURCE
= 150µA
V
CC
> V
TH
,
RESET
deasserted
0.8V
CC
1
0.8V
CC
V
V
CC
- 1.5
0.3
V
0.4
V
µA
140
100
140
100
240
SYMBOL
CONDITIONS
MIN
TYP
30
20
240
560
840
460
840
0.3
0.4
0.3
V
MAX
UNITS
ppm/°C
µs
ms
ms
MAX803L/M/R/S/T/Z, MAX809J/L/M/R/S/T/Z, MAX810L/M/R/S/T/Z
RESET Output Voltage Low
(push-pull active high, MAX810)
RESET Output Voltage High
(push-pull active high, MAX810)
RESET
Open-Drain Output
Leakage Current (MAX803)
V
OH
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.
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)
V
OD
= V
TH
- V
CC
V
OD
= 10mV
MAX803-TOC3
15
100
POWER-DOWN RESET DELAY (µs)
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
20
0
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)
_______________________________________________________________________________________
40
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
