SP690A Datasheet, PDF (7/16 Pages) Sipex Corporation – Low Power Microprocessor Supervisory with Battery Switch-Over

VCC
+5V
+4V
RESET
+5V
0V
2µs/div
Figure 5A. SP690A RESET Response Time
+5V
VCC
+4V
VCC
TA = +25 C
VCC
10KΩ
RESET
GND
30pF
Figure 5B. Circuit for the SP690A/802L RESET
Response Time
VCC
VCC
RESET
+4V
0V
2µs/div
Figure 6A. SP805L RESET Response Time
+1.3V
PFI
+1.2V
5V
PFO
VCC = 5V
VBATT = 0V
0V
RESET
VBATT
GND
330pF 10KΩ
Figure 6B. Circuit for the SP805 RESET
Response Time
+5V
VCC = +5V
TA = +25 C
PFI
1KΩ
PFO
+1.25V
30pF
500ns/div
Figure 7A. Power-Fail Comparator Response Time (FALL)
Figure 7B. Circuit for the Power-Fail Comparator
Response Time (FALL)
SP690A/692ADS/08
SP690A/692A Low Power Microprocessor Supervisory with Battery Switch-Over
7
© Copyright 2000 Sipex Corporation