X40030_13 Datasheet, PDF (2/23 Pages) Intersil Corporation – Triple Voltage Monitor with Integrated CPU Supervisor

Block Diagram
X40030, X40031, X40034, X40035
V3MON
V2MON
SDA
WP
SCL
V_CC
(V1MON)
DATA
REGISTER
COMMAND
DECODE TEST
AND CONTROL
LOGIC
V3 MONITOR
LOGIC
+
-
V_TRIP3
V_CC OR
V2MON*
V2 MONITOR
LOGIC
+
- ^VTRIP2
FAULT DETECTION
REGISTER
STATUS
REGISTER
WATCHDOG
AND
RESET LOGIC
V_CC MONITOR
LOGIC
+
V_TRIP1
-
POWER-ON,
MANUAL RESET
LOW VOLTAGE
RESET
GENERATION
V3FAIL
V2FAIL
WDO
MR
RESET
X40030/34
RESET
X40031/35
LOWLINE
2
FN8114.2
August 25, 2008