sp690tep-l Exar Corporation, sp690tep-l Datasheet - Page 5

• Manufacturer Part Number: sp690tep-l
• Description: Sp690s -low Power Microprocessor Supervisory With Battery Switch-over
• Manufacturer: Exar Corporation

INTERNAL BLOCK DIAGRAM
SP690T/S/R JAN 30-06
V
BATT
V
WDI
PFI
CC
2
8
6
4
SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
1.25V
1.25V
COMPARATOR
SWITCHOVER
COMPARATOR
BATTERY
RESET
1.25V
GND
SWITCHOVER
COMPARATOR
POWER-FAIL
BATTERY
CIRCUIT
3
5
SP690T/S/R
SP802T/S/R
SP804T/S/R
SP805T/S/R
GENERATOR
WATCHDOG
RESET
TIMER
*SP804T/S/R and SP805T/S/R only
© 2006 Sipex Corporation
1
7
5
V
RESET / RESET*
PFO
OUT