April 2008
rev 1.5
Electrical Characteristics
ASM161/ASM162
Unless otherwise noted, V
CC
is over the full range and T
A
= 0
°c
to 70
°c
for ASM161/162 X C and T
A
= -40
°c
to +85
°c
for ASM161/162 X E devices. Typical
values at T
A
= 25
°c
, V
CC
= 5V for L/M/J devices, V
CC
= 3.3V for T/S devices and V
CC
= 3V for R devices
Parameter
Input Voltage (V
CC
)
Range
Supply Current
(Unloaded)
Symbol
V
CC
I
CC
L Devices
M devices
J devices
Conditions
T
A
= 0°C to 70°C
V
CC
< 5.5V L/M/J
V
CC
< 3.6V R/S/T
T
A
= 25°C
Note 1
T
A
= 25°C
Note 1
T
A
= 25°C
Note 1
T
A
= 25°C
Note 1
T
A
= 25°C
Note 1
T
A
= 25°C
Note 1
Min
1.1
TYP
Max
5.5
15
Unit
V
µA
6
4.5
4.63
4.38
4.00
3.08
2.93
2.63
30
Reset Threshold
V
TH
T devices
S devices
R devices
4.56
4.50
4.31
4.25
3.93
3.89
3.04
3.00
2.89
2.85
2.59
2.55
10
4.70
4.75
4.45
4.50
4.06
4.10
3.11
3.15
2.96
3.00
2.66
2.70
V
Reset Threshold
Temp Coefficient
V
CC
to reset delay
Reset Pulse Width
MR Minimum Pulse
Width
MR Glitch Immunity
MR to RESET
Propagation Delay
MR Input Threshold
T
CVTH
V
CC
= V
TH
to (V
TH
-100mV)
T
A
= 0°C to 70°C
T
A
= -40°C to 85°C
800
600
10
t
RPW
t
MR
20
1400
ppm/
°C
µS
2000
2240
ms
µS
100
0.5
V
IH
V
IL
V
IH
V
IL
t
MRD
V
CC
> V
TH
(MAX), L/M/J devices
V
CC
> V
TH
(MAX), R/S/T devices
T
A
= 0°C to 70°C
T
A
= -40°C to 85°C
10
V
CC
=V
TH
min., I
SINK
=1.2mA,
ASM161 R/S/T
V
CC
=V
TH
min., I
SINK
=3.2mA,
ASM161L/M/J
V
CC
> 1.1, I
SINK
= 50µA
V
CC
=V
TH
max., I
SINK
=1.2mA,
ASM162 R/S/T
V
CC
=V
TH
max., I
SINK
=3.2mA,
ASM162 L/M/J
1.8<V
CC
<V
TH
min., I
SOURCE
= 150 µA
V
DRAIN
< 6.0V, 0°C < T
A
< 70°C
0.8V
CC
1
2.3
0.8
0.7V
CC
48
85
85
20
30
0.3
0.4
0.3
0.3
0.25V
CC
122
ns
µS
V
V
V
V
µS
KΩ
MR Delay to MR
Retrigger
MR pull-up resistance
Low RESET output
voltage (ASM161)
V
OL
V
RESET Output
Voltage (ASM162)
HIGH RESET Output
Voltage (ASM162)
RESET Output
Leakage Current
(ASM161)
V
OL
V
0.4
V
µA
V
OH
I
LKG
Notes: 1. Over operating temperature range.
µP Supervisory Circuit
Notice: The information in this document is subject to change without notice.
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