ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
Output Forms
1. Output forms in S-1000 series
Table 3
Rev.2.3
_00
S-1000 series
Nch open-drain output products
(Active “L”)
“N” is the last letter of the product name.
e.g. S-1000N
CMOS output products
(Active “L”)
“C” is the last letter of the product name.
e.g. S-1000C
2. Output form and their usage
Table 4
Usage
Different power supplies
Active “L” reset for CPUs
Active “H” reset for CPUs
Detection voltage change by resistor divider
•
Example for two power supplies
Nch open-drain output products
(Active “L”)
Yes
Yes
No
Yes
CMOS output products
(Active “L”)
No
Yes
No
No
•
Example for one power supply
V
DD1
V
DD2
V
DD
V
DD
V/D
Nch
V
SS
OUT
CPU
V/D
CMOS
OUT
V
SS
CPU
V/D
Nch
OUT
CPU
V
SS
Figure 3
6
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
