SC70, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V
= full range, T = -40°C to +125°C, unless otherwise specified. Typical values are at T = +25°C.) (Note 1)
CC
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
µs
MR Minimum Input Pulse Width
MR Glitch Rejection
1
100
200
63
ns
MR to Reset Delay
ns
MAX6381–MAX6389
MAX6390
32
100
kΩ
Ω
MR Internal Pullup Resistance
800
1350
1.27
2300
1.295
1.308
1.321
T
T
T
= +25°C
1.245
1.232
1.219
A
A
A
Reset IN Input Threshold
V
V
= 0°C to +85°C
= -40°C to +125°C
THRST
V
V
falling at 4mV/µs from
RESETIN
RESET IN to RESET Delay
4.5
1
µs
+ 40mV to V
- 40mV
THRST
THRST
RESET IN Input Leakage Current
I
-50
+50
0.4
0.3
0.3
nA
RESETIN
V
V
V
≥ 4.5V, I
= 3.2mA, reset asserted
= 1.2mA, reset asserted
= 80µA, reset asserted
CC
CC
CC
SINK
SINK
SINK
Open-Drain RESET Output
Voltage
V
≥ 2.5V, I
≥ 1.0V, I
V
OL
Open-Drain RESET Output
Leakage Current
I
V
> V , RESET not asserted
1.0
µA
LKG
CC
TH
V
V
V
≥ 4.5V, I
≥ 2.5V, I
≥ 1.0V, I
= 3.2mA, reset asserted
= 1.2mA, reset asserted
= 80µA, reset asserted
0.4
0.3
0.3
CC
CC
CC
SINK
SINK
SINK
V
OL
Push-Pull RESET Output Voltage
V
✕
V
≥ 4.5V, I
= 800µA, reset not
0.8
CC
SOURCE
asserted
V
CC
V
V
OH
✕
V
≥ 2.5V, I
= 500µA, reset not
0.8
CC
SOURCE
asserted
V
CC
✕
0.8
V
V
V
≥ 4.5V, I
≥ 2.5V, I
≥ 1.8V, I
= 800µA, reset asserted
= 500µA, reset asserted
= 150µA, reset asserted
= 1µA, reset asserted
CC
CC
CC
SOURCE
SOURCE
SOURCE
SOURCE
V
CC
✕
0.8
V
CC
OH
✕
0.8
V
CC
Push-Pull RESET Output Voltage
V
✕
0.8
V
V
≥ 1.0V, I
CC
CC
V
CC
≥ 4.5V, I
= 3.2mA, reset not
SINK
0.4
0.3
asserted
V
OL
V
≥ 2.5V, I
= 1.2mA, reset not
CC
SINK
asserted
Note 1: Specifications over temperature are guaranteed by design, not production tested.
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3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
