IMP811, IMP812
Application Information
Bi-directional Reset Pin Interfacing
The IMP811/812 can interface with µP/µC bi-directional reset
pins by connecting a 4.7kΩ resistor in series with the IMP809/810
reset output and the µP/µC bi-directional reset pin.
BUF
Buffered
RESET
V
CC
IMP811
Power
Supply
C or
P
4.7k
RESET
Input
MR
RESET
GND
GND
Bi-directional I/O Pin
(Example: 68HC11)
811/12_06.eps
Figure 4. Bi-directional Reset Pin Interface
Package Dimensions
Plastic SOT-143 (4-Pin)
e1
Inches
Millimeters
B
B1
A1
Min
Max
Min
Max
Plastic SOT-143 (4-Pin)
E
H
A
0.031
0.001
0.014
0.030
0.0034
0.105
0.047
0.070
0.071
0.082
0.004
0.047
0.005
0.022
0.038
0.006
0.120
0.055
0.080
0.079
0.098
0.012
0.787
0.025
0.356
0.762
0.086
2.667
1.194
1.778
1.803
2.083
0.102
1.194
0.127
0.559
0.965
0.152
3.048
1.397
2.032
2.007
2.489
0.305
A1
B
B1
C
D
E
e
D
a = 0°-8°
A
e
e1
H
I
e
C
L
SOT-143 (4-Pin).eps
©
1999 IMP, Inc.
408-432-9100/www.impweb.com
7
IMP [ IMP, INC ]
