SP703 SIPEX [Sipex Corporation], SP703 Datasheet - Page 8

• Manufacturer Part Number: SP703
• Description: Low Power Microprocessor Supervisory with Battery Switch-Over
• Manufacturer: SIPEX [Sipex Corporation]

Figure 6A. Power-Fail Comparator Response Time (RISE)
Figure 7. Timing Diagram
SP703/704DS/07
+1.3V
+1.2V
3V
0V
RESET
V
V
PFO
V
PFO
PFI
BATT
OUT
CC
= PFI = 3.0V
2 s/div
+5V
+5V
0V
+5V
0V
+5V
0V
0V
V
V
CC
BATT
= 5V
SP703/704 Low Power Microprocessor Supervisory
= 0V
3.0V
8
Figure 6B. Circuit for the Power-Fail Comparator
Response Time (RISE)
+1.25V
PFI
+5V
t
RS
PFO
T
V
A
CC
= +25 C
© Copyright 2000 Sipex Corporation
= +5V
30pF
1K