Reset - NAD VISO FIVE Service Manual

RESET IC(RH5VT18C) : IC85
BLOCK DIAGRAMS
V
DD
2
Vref
TIME CHART
Released Voltage
Detected Voltage
Supply Voltage
(V )
DD
Minimum Operating Voltage
GND
Output Voltage
(OUT)
GND
DEFINITION OF OUTPUT DELAY TIME t
OUT
+
1
–
3
GND
+V
DET
–V
DET
PLH
+V + 2.0V
DET
Input Voltage
(V )
DD
+V +2.0V
DET
Output Voltage
+V + 2.0V
DET
2
Detector Threshold Hysteresis
t
PLH
0.7V
GND
GND
t t
PHL PLH
2-40