X40431 XICOR [Xicor Inc.], X40431 Datasheet - Page 19

• Manufacturer Part Number: X40431
• Description: 4kbit EEPROM, Triple Voltage Monitor with Integrated CPU Supervisor
• Manufacturer: XICOR [Xicor Inc.]

X40430/X40431 – Preliminary Information
RESET/RESET/MR Timings
LOW VOLTAGE AND WATCHDOG TIMINGS PARAMETERS
REV 1.2.3 11/28/00
Symbol
V
t
t
t
t
PURST
RVALID
t
t
t
RPDX
RPD1
RPDL
t
WDO
RST1
RST2
t
t
RSP
t
MD
t
in1
t
LR
R
F
RESET
RESET
V
V
LOWLINE to RESET/RESET delay (Power down only) [= t
V
Power On Reset delay:
PUP1=0, PUP0=0
PUP1=0, PUP0=1
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
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
MR
TRIP1
TRIP1
TRIP2
CC,
CC,
V
CC
V2MON
V2MON
to RESET/RESET (Power down only)
to LOWLINE
to V2FAIL, or V
V
TRIP1
t
,
,
CC
R
V3MON
V3MON
V
RVALID
t
PURST
,
,
TRIP3
Fall Time
Rise Time
Parameters
to V3FAIL
t
MD
www.xicor.com
t
RPD1
t
IN1
RPD1
-t
t
PURST
RPDL
Characteristics subject to change without notice.
]
Min.
12.5
500
100
20
20
1
5
1
Typ.
500
200
400
800
200
200
1.4
10
10
50
25
25
t
F
Max.
37.5
300
20
20
mV/µs
mV/µs
Unit
19 of 24
ms
ms
ms
ms
ms
ms
ms
ms
µs
ns
µs
ns
µs
µs
V
s