x40031v14z-bt1 Intersil Corporation, x40031v14z-bt1 Datasheet - Page 21

• Manufacturer Part Number: x40031v14z-bt1
• Description: Triple Voltage Monitor With Integrated Cpu Supervisor
• Manufacturer: Intersil Corporation

LOW VOLTAGE AND WATCHDOG TIMINGS PARAMETERS (@25°C, V
Notes: (1) V
Watchdog Time Out for 2-Wire Interface
Symbol
t
V
t
t
RPD1
RPDX
t
PURST
t
t
RVALID
t
RPDL
t
RST1
RST2
t
WDO
t
t
RSP
MD
t
t
in1
LR
F
R
(2)
(2)
CC
V
V
LOWLINE to RESET/RESET delay (Power down only) [= t
V
Power On Reset delay:
PUP1=0, PUP0=0
PUP1=0, PUP0=1 (factory setting)
PUP1=1, PUP0=0
PUP1=1, PUP0=1
V
V
Reset Valid V
MR to RESET/ RESET delay (activation only)
Pulse width for MR
Watchdog Timer Period:
WD1=0, WD0=0
WD1=0, WD0=1
WD1=1, WD0=0
WD1 = 1, WD0 = 1 (factory setting)
Watchdog Reset Time Out Delay
WD1=0, WD0=0
WD1=0, WD0=1
Watchdog Reset Time Out Delay WD1=1, WD0=0
Watchdog timer restart pulse width
WDO
SCL
SDA
SCL
SDA
TRIP1
TRIP1
TRIP2
CC,
CC,
= 5V at 25°C.
Minimum Sequence to Reset WDT
V2MON
V2MON
to RESET/RESET (Power down only)
to LOWLINE
to V2FAIL, or V
Start
,
,
CC
V3MON
V3MON
21
Clockin (0 or 1)
,
,
TRIP3
Fall Time
Rise Time
Start
X40030, X40031, X40034, X40035
Parameters
to V3FAIL (x = 2, 3)
t
RSP
< t
WDO
Start
WDT
Restart
RPD1
(2) Values based on characterization data only.
-t
RPDL
CC
]
= 5V)
Min.
12.5
500
100
20
20
1
5
1
t
RST
Typ.
400
800
200
1.4
50
OFF
500
200
200
t
25
25
WDO
(2)
(2)
(2)
(2)
(2)
(1)
t
RST
Max.
37.5
300
5
5
mV/µs
mV/µs
Unit
May 25, 2006
ms
ms
ms
ms
ms
ms
ms
ms
µs
ns
µs
ns
µs
µs
V
s
FN8114.1