3-Pin Microprocessor Reset Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V
= full range, T = -40°C to +105°C, unless otherwise noted. Typical values are at T = +25°C, V
= 5V for L/M/J versions, V
CC CC
CC
A
A
= 3.3V for T/S versions, V
= 3V for R version, and V
= 2.5V for Z version.) (Note 1)
CC
CC
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
30
MAX
UNITS
Reset Threshold Tempco
to Reset Delay (Note 2)
ppm/°C
µs
V
CC
V
CC
= V to (V - 100mV)
20
TH
TH
T
A
T
A
T
A
T
A
= -40°C to +85°C
= +85°C to +105°C
= -40°C to +85°C
= +85°C to +105°C
140
100
140
100
240
560
840
460
840
Reset Active Timeout Period
(SOT23)
ms
ms
240
Reset Active Timeout Period
(SC70)
V
= V min, I
= 1.2mA,
SINK
CC
TH
0.3
RESET Output Voltage Low
(push-pull active low and open-
drain active-low, MAX803 and
MAX809)
MAX803R/S/T/Z, MAX809R/S/T/Z
V = V min, I = 3.2mA,
CC
V
V
OL
TH
SINK
0.4
0.3
MAX803L/M, MAX809J/L/M
V
V
> 1.0V, I
= 50µA
CC
SINK
> V max, I
= 500µA,
= 800µA,
CC
TH
SOURCE
0.8V
CC
MAX809R/S/T/Z
RESET Output Voltage High
(push-pull active low, MAX809)
V
OH
V
V
V
CC
> V max, I
TH
SOURCE
V
CC
- 1.5
MAX809J/L/M
V
= V max, I
= 1.2mA,
CC
TH
SINK
0.3
0.4
MAX810R/S/T/Z
RESET Output Voltage Low
(push-pull active high, MAX810)
V
OL
V
CC
= V max, I
= 3.2mA,
TH
SINK
MAX810L/M
RESET Output Voltage High
(push-pull active high, MAX810)
V
OH
1.8V < V < V min, I
= 150µA
0.8V
V
CC
TH
SOURCE
CC
RESET Open-Drain Output
Leakage Current (MAX803)
1
µA
V
CC
> V , RESET deasserted
TH
Note 1: Production testing done at T = +25°C; limits over temperature guaranteed by design only.
A
Note 2: RESET output for MAX803/MAX809; RESET output for MAX810.
Typical Operating Characteristics
(V
= full range, T = -40°C to +105°C, unless otherwise noted. Typical values are at T = +25°C, V
= +5V for L/M/J versions,
CC
A
A
CC
V
CC
= +3.3V for T/S versions, V
= +3V for R version, and V
= +2.5V for Z version.)
CC
CC
SUPPLY CURRENT vs. TEMPERATURE
(SC70 PACKAGE, NO LOAD)
POWER-DOWN RESET DELAY vs.
TEMPERATURE (MAX8_ _R/S/T/Z)
100
80
15
10
5
V
= V - V
TH CC
OD
MAX8_ _L/M, V = 5V
CC
V
= 10mV
= 20mV
OD
MAX8_ _R/S/T, V = 3.3V
CC
60
V
OD
MAX8_ _Z, V = 2.5V
CC
40
V
= 100mV
20
0
OD
MAX8_ _L/M/R/S/T/Z, V = 1V
CC
V
= 200mV
60
OD
0
20
TEMPERATURE (°C)
85
-20
-40
-20
0
20
40
60
85
-40
0
40
TEMPERATURE (°C)
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
