zsm380 Diodes, Inc., zsm380 Datasheet - Page 4

• Manufacturer Part Number: zsm380
• Description: Supply Voltage Monitor
• Manufacturer: Diodes, Inc.

Issue 3 - July 2006
© Zetex Semiconductors plc 2006
Note 4: A time delayed reset can be accomplished with the additional Cd.
TIMING DIAGRAM
APPLICATION CIRCUIT
ZSM380
Threshold
Voltage
Output
T
DY
Vcc
= RCd ln
1 V
Output
Undefined
æ
ç
ç
ç
è
1 −
V
TH ( mpu )
1
V
in
ö
÷
÷
÷
ø
T
V
V
DY
TH
in
4-352
=Time (Seconds)
=Microprocessor Reset Threshold
=Power Supply Voltage
Output
Undefined
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