S-1000 Datasheet, PDF (6/38 Pages) Seiko Instruments Inc – ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
„ Output Forms
Rev.2.3_00
1. Output forms in S-1000 series
Table 3
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
Usage
Different power supplies
Active “L” reset for CPUs
Active “H” reset for CPUs
Detection voltage change by resistor divider
Table 4
Nch open-drain output products
(Active “L”)
Yes
Yes
No
Yes
CMOS output products
(Active “L”)
No
Yes
No
No
• Example for two power supplies
V_DD1
V_DD2
• Example for one power supply
V_DD
V_DD
V/D
Nch _OUT ^CPU
V_SS
V/D
CMOS _OUT ^CPU
V_SS
Figure 3
V/D
Nch
CPU
OUT
V_SS
6
Seiko Instruments Inc.