sp703ep-l Exar Corporation, sp703ep-l Datasheet - Page 8

• Manufacturer Part Number: sp703ep-l
• Description: Sp704 -low Power Microprocessor Supervisory With Battery Switch-over
• Manufacturer: Exar 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
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= +5V
30pF
1K