S807 Series Seiko Instruments, Inc., S807 Series Datasheet - Page 38
S807 Series
Manufacturer Part Number
S807 Series
Description
Series High-Precision Voltage Detector
Manufacturer
Seiko Instruments, Inc.
Datasheet
1.S807_SERIES.pdf
(42 pages)
- Current page: 38 of 42
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Application Circuit Examples
1. Reset circuits of microcomputers
If the power supply voltage to a microcomputer falls below the specified level, unspecified operation may be performed or the
contents of the memory register may be lost. When power supply voltage returns to normal, the microcomputer may need to
be initialized before normal operations can be done.
Reset circuits protect microcomputers, in the event of current being momentarily switched off or lowered.
With the S-807 Series, the reset circuits shown in Figures 24 to 26 can be easily constructed.
S-807XX
AL/SL
S-807XX
AN/SN
Figure 26
Figure 24
computer
Micro-
computer
Micro-
Seiko Instruments Inc.
V
V
DD
V
SS
V
DD
SS
V
HIGH-PRECISION VOLTAGE DETECTOR
DD1
(Nch open-drain output products only)
S-807XX
AN/SN
Figure 25
computer
Micro-
V
V
DD2
SS
S-807 Series
37
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