sp703ep-l Exar Corporation, sp703ep-l Datasheet - Page 7

• Manufacturer Part Number: sp703ep-l
• Description: Sp704 -low Power Microprocessor Supervisory With Battery Switch-over
• Manufacturer: Exar Corporation

Figure 4A. SP703 RESET Response Time
Figure 5A. Power-Fail Comparator Response Time (FALL)
SP703/704DS/07
+5V
+4V
+5V
+1.3V
+1.2V
0V
5V
0V
PFO
PFI
RESET
V
CC
2 s/div
500ns/div
V
V
SP703/704 Low Power Microprocessor Supervisory
CC
BATT
= 5V
= 0V
7
Figure 4B. Circuit for the RESET Response Time
Figure 5B. Circuit for the Power-Fail Comparator
Response Time (FALL)
T
V
A
CC
= +25 C
= +5V
+1.25V
V
PFI
CC
GND
V
CC
T
A
= +25 C
RESET
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PFO
+5V
30pF
10K
1K
30pF