SP703 Datasheet, PDF (7/16 Pages) Sipex Corporation – Low Power Microprocessor Supervisory with Battery Switch-Over

VCC
+5V
+4V
RESET
+5V
0V
2µs/div
Figure 4A. SP703 RESET Response Time
VCC
TA = +25 C
VCC
10KΩ
RESET
GND
30pF
Figure 4B. Circuit for the RESET Response Time
+1.3V
PFI
+1.2V
5V
PFO
0V
VCC = 5V
VBATT = 0V
VCC = +5V
TA = +25 C
PFI
+5V
1KΩ
PFO
+1.25V
30pF
500ns/div
Figure 5A. Power-Fail Comparator Response Time (FALL)
Figure 5B. Circuit for the Power-Fail Comparator
Response Time (FALL)
SP703/704DS/07
SP703/704 Low Power Microprocessor Supervisory
7
© Copyright 2000 Sipex Corporation