
ZSM300
TIMING DIAGRAM
Vcc
Threshold
Voltage
1V
Output
Output
Undefined
APPLICATION CIRCUIT
Output
Undefined
Note 4: A time delayed reset can be accomplished with the additional Cd.
TDY
=
RCd
ln
æ
ç
ç
ç
1
è
−
1
ö
V
TH
(mpu
)
÷
÷
Vin
÷
ø
TDY =Time (Seconds)
VTH =Microprocessor Reset Threshold
Vin =Power Supply Voltage
4-342
Issue 3 - July 2006
© Zetex Semiconductors plc 2006
www.zetex.com