NCP304A
Input Voltage, Pin 2
Vin
VDET+
VDET−
Reset Output (Active Low), Pin 1
Vin
VDET+
VDET−
0V
Reset Output (Active High), Pin 1
Vin
VDET+
VDET−
0V
Figure 7. Timing Waveforms
APPLICATION CIRCUIT INFORMATION
VDD
4 Input
VDD
*
NCP304A
Series
3
Reset Output
Microprocessor
Reset
2 GN
D
* Required for
NCP305
GND
Figure 8. Microprocessor Reset Circuit
ORDERING INFORMATION
Device
Threshold
Voltage
Output
Type
Reset
Marking
Package
Shipping†
NCP304ALSQ43T1G
4.3
CMOS
Active
Low
SUD
SC−82AB
(Pb−Free)
3000 / Tape & Reel
NOTE: Additional active low threshold devices, ranging from 0.9 V to 4.9 V in 100 mV increments and NCP304A active high output devices,
ranging from 0.9 V to 4.9 V in 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability.
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Spe-
cifications Brochure, BRD8011/D.
http://onsemi.com
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