Datasheet

(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 CONDITIONS MIN TYP MAX UNITS
Reset Threshold
(SC70 only)
V
TH
MAX8_ _L
T
A
= +25°C 4.56 4.63 4.70
V
T
A
= -40°C to +85°C 4.50 4.75
T
A
= -40°C to +125°C 4.44 4.82
MAX8_ _M
T
A
= +25°C 4.31 4.38 4.45
T
A
= -40°C to +85°C 4.25 4.50
T
A
= -40°C to +125°C 4.20 4.56
MAX8_ _T
T
A
= +25°C 3.04 3.08 3.11
T
A
= -40°C to +85°C 3.00 3.15
T
A
= -40°C to +125°C 2.95 3.21
MAX8_ _S
T
A
= +25°C 2.89 2.93 2.96
T
A
= -40°C to +85°C 2.85 3.00
T
A
= -40°C to +125°C 2.81 3.05
MAX8_ _R
T
A
= +25°C 2.59 2.63 2.66
T
A
= -40°C to +85°C 2.55 2.70
T
A
= -40°C to +125°C 2.52 2.74
MAX8_ _Z
(SC70 only)
T
A
= +25°C 2.28 2.32 2.35
T
A
= -40°C to +85°C 2.25 2.38
T
A
= -40°C to +125°C 2.22 2.42
Reset Threshold Tempco 30 ppm/°C
V
CC
to Reset Delay (Note 2) V
CC
= V
TH
to (V
TH
- 100mV) 20 µs
Reset Active Timeout Period
(SOT23)
T
A
= -40°C to +85°C 140 240 560
ms
T
A
= +85°C to +105°C 100 840
Reset Active Timeout Period
(SC70)
T
A
= -40°C to +85°C 140 240 460
ms
T
A
= +85°C to +125°C 100 840
RESET Output Voltage Low
(push-pull active low and open-
drain active low, MAX803 and
MAX809)
V
OL
V
CC
= V
TH
(min), I
SINK
= 1.2mA,
MAX803R/S/T/Z, MAX809R/S/T/Z
0.3
V
V
CC
= V
TH
(min), I
SINK
= 3.2mA,
MAX803L/M, MAX809J/L/M
0.4
V
CC
> 1.0V, I
SINK
= 50µA 0.3
RESET Output Voltage High
(push-pull active low MAX809)
V
OH
V
CC
> V
TH
(max), I
SOURCE
= 500µA,
MAX803R/S/T/Z, MAX809R/S/T/Z
0.8V
CC
V
V
CC
> V
TH
(max), I
SOURCE
= 800µA,
MAX803L/M, MAX809J/L/M
V
CC
- 1.5
RESET Output Voltage Low
(push-pull active high, MAX810)
V
OL
V
CC
= V
TH
(max), I
SINK
= 1.2mA,
MAX810R/S/T/Z
0.3
V
V
CC
= V
TH
(max), I
SINK
= 3.2mA,
MAX810L/M
0.4
MAX803/MAX809/
MAX810
3-Pin Microprocessor Reset Circuits
www.maximintegrated.com
Maxim Integrated │ 3
Electrical Characteristics (continued)