3-Pin, Ultra-Low-Power SC70/SOT
µP Reset Circuits
__________________________________________Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
POWER-DOWN RESET DELAY
vs. TEMPERATURE
SUPPLY CURRENT vs. TEMPERATURE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
200
150
V
= 5V
CC
V
= 3.3V
CC
100
50
0
V
= 20mV
OD
V
= 10mV
OD
V
OD
= 100mV
V
= 1.2V
20
CC
V
= 200mV
40
OD
-40
-20
0
20
60
80
-40 -20
0
40
60
80
TEMPERATURE (°C)
TEMPERATURE (°C)
POWER-UP RESET TIMEOUT
vs. TEMPERATURE
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE (SC70)
210
500
400
300
200
100
0
200
190
180
170
160
150
140
130
-40 -20
0
20
40
60
80
1
10
RESET THRESHOLD OVERDRIVE,
- V (mV)
100
1000
TEMPERATURE (°C)
V
TH
CC
______________________________________________________________Pin Description
PIN PIN
NAME
FUNCTION
MAX6326/MAX6346
MAX6328/MAX6348
MAX6327
MAX6347
1
1
GND
Ground
Active-Low Reset Output. RESET remains low while V
is below the reset
CC
threshold and for at least 100ms after V
RESET is open-drain on the MAX6328/MAX6348 and push-pull on the
rises above the reset threshold.
CC
2
—
RESET
MAX6326/MAX6346.
Active-High Reset Output. RESET remains high while V
is below the reset
CC
—
3
2
3
RESET
threshold and for at least 100ms after V
rises above the reset threshold.
CC
V
CC
Supply Voltage
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
