X4003/X4005
Power-Up and Power-Down Timing
V
TRIP
V
CC
t
0 Volts
PURST
t
PURST
t
F
t
R
t
RPD
V
RVALID
RESET
RESET
V
RVALID
RESET/RESET Output Timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
V
Reset trip point voltage, X4003–4.5A, X4005–4.5A
Reset trip point voltage, X4003, X4005
Reset trip point voltage, X4003–2.7A, X4005–2.7A
Reset trip point voltage, X4003–2.7, X4005–2.7
Reset trip point voltage, X4003–1.8, X4005–1.8
4.5
4.25
2.85
2.55
1.7
4.62
4.38
2.92
2.62
1.75
4.75
4.5
3.0
2.7
1.8
V
V
V
TRIP
t
Power-up reset time out
100
200
400
500
ms
ns
ms
ns
V
PURST
(8)
t
V
V
V
detect to reset/output
fall time
RPD
CC
CC
CC
(8)
t
10
0.1
1
F
(8)
t
rise time
R
V
Reset valid V
CC
RVALID
Note: (8) This parameter is periodically sampled and not 100% tested.
SDA vs. RESET/RESET Timing
SCL
SDA
t
CST
RESET
RESET
t
t
RST
t
t
RST
WDO
WDO
Characteristics subject to change without notice. 13 of 18
REV 1.1.3 4/30/02
www.xicor.com
XICOR [ XICOR INC. ]
