SP690T_06 Datasheet, PDF (10/20 Pages) Sipex Corporation – 3.0V/3.3V Low Power Microprocessor Supervisory with Battery Switch-Over

1V / div
3.1V
2V
0V
[
T
]
VCC
1
RESET
T
10 µs / div
Figure 16A. SP805L RESET Response Time
1.3V
PFI
1.2V
V_CC= 5V
V_{BATTERY = 0}
PFO
5V
0V
500ns / div
Figure 17A. Power-Fail Comparator Response Time (fall)
VCC
VCC
RESET
VCC
10KΩ
GND
330pF
Figure 16B. Circuit for the SP805 RESET Response
Time
+5V
VCC = +5V
TA = +25 C
PFI
1KΩ
PFO
+1.25V
30pF
Figure 17B. Circuit for the Power-Fail Comparator
Response Time (fall)
1
1.2V
1.3V
PFI
PFO
V_CC= 5
V_{BATTERY = 0}
1
2
T
500ns / div
+5V
VCC = +5V
TA = +25 C
PFI
PFO
+1.25V
30pF
1KΩ
Figure 18A. Power-Fail Comparator Response Time (rise)
Figure 18B. Circuit for the Power-Fail Comparator
Response Time (rise)
SP690T/S/R JAN 30-06 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
10
© 2006 Sipex Corporation