X4003 Xicor, X4003 Datasheet - Page 13

• Manufacturer Part Number: X4003
• Description: CPU Supervisor
• Manufacturer: Xicor

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