Datasheet
MAX6335/MAX6336/MAX6337
4-Pin, Ultra-Low-Voltage, Low-Power
µP Reset Circuits with Manual Reset
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= full range, MR = V
CC
or unconnected, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C and
V
CC
= 3V, reset not asserted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Terminal Voltage (with respect to GND)
V
CC
......................................................................-0.3V to +6V
Push/Pull RESET or RESET, MR ............-0.3V to (V
CC
+ 0.3V)
Open-Drain RESET ..............................................-0.3V to +6V
Input Current (V
CC
).............................................................20mA
Output Current (RESET, RESET).........................................20mA
Continuous Power Dissipation (T
A
= +70°C)
SOT143 (derate 4mW/°C above +70°C) .....................320mW
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage Range V
CC
T
A
= 0°C to +85°C
MAX6335/MAX6336 0.7 5.5
V
T
A
= +25°C
V
TH -
V
TH
V
TH +
1.8% 1.8%
T
A
= -40°C to +125°C
V
TH -
V
TH
V
TH +
3% 3%
Reset Threshold V
TH
MAX633_US__D_-T,
Table 1
V
V
CC
Falling Reset Delay V
CC
falling at 10V/ms 24 µs
MAX633_US__D1-T 1 1.5 2
MAX633_US__D2-T 20 30 40Reset Active Timeout Period
t
RP
MAX633_US__D3-T 100 150 200
ms
RESET Output Low Voltage
(MAX6336/MAX6337)
V
OL
I
SINK
= 50µA, V
CC
≥ 1.0V 0.4
Reset
asserted
V
RESET Output High Voltage
(MAX6336)
V
OH
I
SOURCE
= 200µA, V
CC
≥ 1.8V 0.8V
CC
I
SOURCE
= 500µA, V
CC
≥ 2.7V 0.8V
CC
V
RESET Output Voltage
(MAX6335)
V
OH
Reset
asserted
I
SOURCE
= 1µA, V
CC
≥ 1.0V 0.8V
CC
I
SOURCE
= 200µA, V
CC
≥ 1.8V 0.8V
CC
V
V
OL
Reset not
asserted
I
SINK
= 500µA, V
CC
≥ 1.8V
I
SINK
= 1.2mA, V
CC
≥ 2.7V
0.3
V
0.3
Reset not
asserted
0.3V
CC
0.7V
CC
MR Minimum Pulse Width
1
V
CC
= 2.6V 160
µs
V
CC
= 2.6V 0.42 µs
V
ns
V
MR
MR Threshold
MR Reset Delay
MR Glitch Immunity
12 20 30 kΩ
MR Pull-Up Resistance
I
SINK
= 500µA, V
CC
≥ 1.8V 0.3
0.5
V
CC
> V
TH
, RESET deasserted
µA
RESET Output Leakage
Current (MAX6337)
Supply Current I
CC
No load
V
CC
= 1.8V
3.0 6.0
V
CC
= 2.5V
3.3 7.0
µA
T
A
= -40°C to +125°C
MAX6335/MAX6336
1.2 5.5
T
A
= -40°C to +85°C
MAX6335/MAX6336 0.78 5.5
MAX6337
MAX6337
MAX6337
1.0 5.5
1.2 5.5