S-807 Datasheet, PDF (5/42 Pages) Seiko Instruments Inc – HIGH-PRECISION VOLTAGE DETECTOR

HIGH-PRECISION VOLTAGE DETECTOR
S-807 Series

Output Configurations
1. S-807 Series model numbering conventions
S-807 Series
Nch open-drain
(“L” reset type)
“N” is the last letter of
the model number.
Ex. S-80732AN
CMOS output
(“L” reset type)
“L” is the last letter of
the model number.
Ex. S-80718AL
CMOS output
(“H” reset type)
“H” is the last letter of
the model number.
Ex. S-80740AH
2. Output configurations and their implementations
Implementation
With different power supplies
With active low reset CPUs
With active high reset CPUs
As power resets employing CR circuits
With voltage divider resistors to vary (-V_DET)
Nch
CMOS (“L”) CMOS (“H”)


×
×




×

^×
×
×


×


×
×
• Example with two power supplies
V_DD1
V_DD2
• Examples with one power supply
V_DD
V_DD
V/D
Nch
CPU
OUT
V_SS
V/D
CPU
CMOS _OUT
V_SS
V/D
Nch
CPU
OUT
V_SS
or
Figure 3
4
Seiko Instruments Inc.