X4003/X4005
RESET/RESET Output Timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
t
Watchdog time out period,
WD1 = 1, WD0 = 1 (factory setting)
WD1 = 1, WD0 = 0
WDO
OFF
200
600
1.4
100
450
1
300
800
2
ms
ms
sec
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
t
CS pulse width to reset the watchdog
Reset time out
400
100
ns
CST
t
200
400
ms
RST
V
Programming Timing Diagram
TRIP
V
TRIP
CC
V
TRIP
(V
)
t
t
THD
TSU
V
P
WP
t
t
t
VPH
VPS
VPO
SCL
SDA
t
RP
01h or 03h
00h
A0h
V
Programming Parameters
TRIP
Parameter
Description
Min. Max. Unit
t
V
V
V
V
V
V
V
program enable voltage setup time
program enable voltage hold time
setup time
1
1
µs
µs
µs
ms
ms
µs
ms
V
VPS
VPH
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
TRIP
t
t
1
TSU
THD
t
hold (stable) time
10
t
write cycle time
10
WC
t
program enable voltage off time (between successive adjustments)
program recovery period (between successive adjustments)
0
VPO
t
10
15
1.7
RP
V
Programming voltage
programmed voltage range
18
P
V
V
5.0
V
TRAN
TRIP
V
V
Initial V
program voltage accuracy (V applied–V ) (Programmed at 25°C.) -0.1 +0.4
TRIP
V
ta1
ta2
TRIP
CC
Subsequent V
Programmed at 25°C.)
program voltage accuracy [(V applied–V )–V .
TRIP
-25
-25
-25
+25
+25
+25
mV
TRIP
CC
ta1
V
V
program voltage repeatability (Successive program operations. Programmed
mV
mV
tr
TRIP
at 25°C.)
V
V
TRIP
program variation after programming (0-75°C). (programmed at 25°C)
tv
V
programming parameters are periodically sampled and are not 100% tested.
TRIP
Characteristics subject to change without notice. 14 of 18
REV 1.1.3 4/30/02
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XICOR [ XICOR INC. ]
