ZSM530 Datasheet, PDF (4/5 Pages) Zetex Semiconductors – SUPPLY VOLTAGE MONITOR

TIMING DIAGRAM
Vcc
Threshold
Voltage
1V
Output
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Output
Undefined
APPLICATION CIRCUIT
ZSM530
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Output
Undefined
Note 4: A time delayed reset can be accomplished with the additional Cd.
T_DY
=
RCd
ln^
₁

−
1

V
TH
(mpu)


V_in


T_DY =Time (Seconds)
V_TH =Microprocessor Reset Threshold
V_in =Power Supply Voltage
4-357