
M
Low-Power Dual-/Triple-Voltage SC70 μP
Supervisory Circuits
6
_______________________________________________________________________________________
NORMALIZED V
CC
/POK1/MR
TIMEOUT PERIOD vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
C
/
T
60
40
20
0
-20
0.989
0.994
0.999
1.004
1.009
1.014
1.019
0.984
-40
80
MAXIMUM V
CC
1/V
CC
2 TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
10,000
M
RESET THRESHOLD OVERDRIVE (mV)
M
C
1
C
2
μ
s
100
10
100
1000
0
10
1000
V
CC
1
V
CC
2
RESET OCCURS ABOVE
THESE LINES
NORMALIZED V
CC
RESET THRESHOLD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
C
60
40
20
0
-20
0.993
0.998
1.003
1.008
0.988
-40
80
NORMALIZED TO +25
°
C
V
CC
TO RESET OUTPUT DELAY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
C
μ
s
60
40
20
0
-20
33.5
38.5
43.5
48.5
28.5
-40
80
100mV OVERDRIVE
RESET INPUT TO RESET OUTPUT DELAY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
μ
s
60
40
20
0
-20
25
30
35
20
-40
80
100mV OVERDRIVE
POWER-FAIL INPUT TO POWER-FAIL
OUTPUT DELAY vs. TEMPERATURE
M
TEMPERATURE (
°
C)
μ
s
60
40
20
0
-20
29
39
44
49
24
-40
80
100mV OVERDRIVE
RISING EDGE
FALLING EDGE
34
Typical Operating Characteristics (continued)
(T
A
= +25
°
C, unless otherwise noted.)