3-Pin Microprocessor Reset Circuits
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
SYMBOL
MAX8_ _L
CONDITIONS
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= +25°C
MAX8_ _M
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= +25°C
MAX8_ _T
Reset Threshold
(SC70 only)
V
TH
MAX8_ _S
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= +25°C
MAX8_ _R
T
A
= -40°C to +85°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)
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 +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
RESET
Output Voltage High
(push-pull active low MAX809)
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
0.8V
CC
V
V
CC
- 1.5
0.3
V
0.4
140
100
140
100
240
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°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
240
560
840
460
840
0.3
0.4
0.3
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
MAX803L/M/R/S/T/Z, MAX809J/L/M/R/S/T/Z, MAX810L/M/R/S/T/Z
V
OH
RESET Output Voltage Low
(push-pull active high, MAX810)
V
OL
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
