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X40430_06 Datasheet, PDF (2/26 Pages) Intersil Corporation – Triple Voltage Monitor with Integrated CPU Supervisor | |||
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BLOCK DIAGRAM
X40430, X40431, X40434, X40435
V3MON
V2MON
+
V3 Monitor
Logic
-
V2 Monitor
Logic
VTRIP3
VCC or
V2MON*
+
VTRIP2
-
SDA
Data
Register
WP
Command
Decode Test
& Control
SCL
Logic
Fault Detection
Register
Status
Register
EEPROM
Array
VCC
(V1MON)
*X40430, X40431=V2MON
X40434, X40435 =VCC
VCC Monitor
Logic
+
VTRIP1
-
Watchdog
and
Reset Logic
Power-on,
Manual Reset
Low Voltage
Reset
Generation
V3FAIL
V2FAIL
WDO
MR
RESET
X40430/34
RESET
X40431/35
LOWLINE
Device
Expected System
Voltages
Vtrip1(V)
X40430, X40431
-A
5V; 3V or 3.3V; 1.8V
-B
5V; 3V; 1.8V
-C
3.3V; 2.5V; 1.8V
2.0â4.75*
4.55â4.65*
4.35â4.45*
2.95â3.05*
X40434, X40435
-A
5V; 3.3V; 1.5V
-B
5V; 3V or 3.3V; 1.5V
-C
5V; 3 or 3.3V; 1.2V
2.0â4.75*
4.55â4.65*
4.55â4.65*
4.55â4.65*
*Voltage monitor requires Vcc to operate. Others are independent of Vcc.
Vtrip2(V)
1.70â4.75
2.85â2.95
2.55â2.65
2.15â2.25
0.90â3.50*
1.25â1.35*
1.25â1.35*
0.95â1.05*
Vtrip3(V)
1.70â4.75
1.65â1.75
1.65â1.75
1.65â1.75
1.70â4.75
3.05â3.15
2.85â2.95
2.85â2.95
POR
(system)
RESET = X40430
RESET = X40431
RESET = X40434
RESET = X40435
2
FN8251.1
May 24, 2006
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