Precision Temperature Monitor for
DDR Memory Modules
_______________________________________________________________________________________   3
TIMING CHARACTERISTICSMAX6604AATA+, MAX6604AAHA+
(V
CC
= +2.7V to +3.6V, T
A
= -20癈 to +125癈, unless otherwise noted. Typical values are at V
CC
= +3.3V, T
A
= +25癈.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS FOR FAST MODE
Serial-Clock Frequency
f
SCL
400
kHz
Bus Free Time Between a STOP
and a START Condition
t
BUF
1.3
Hold Time for START Condition
t
HD:STA
0.6
Low Period of the SCL Clock
t
LOW
1.3
High Period of the SCL Clock
t
HIGH
0.6
Setup Time for a Repeated START
Condition
t
SU:STA
0.6
Data Hold Time
t
HD:DAT
0
900
ns
Data Setup Time
t
SU:DAT
100
ns
Rise Time of Both SDA and SCL
Signals, Receiving
t
R
Measured from 0.3V
DD
 - 0.7V
DD
20 + 0.1C
B
300
ns
Fall Time of SDA Transmitting
t
F
Measured from 0.3V
DD
 - 0.7V
DD
20 + 0.1C
B
300
ns
Setup Time for STOP Condition
t
SU:STO
0.6
Capacitive Load for Each Bus Line
C
B
400
pF
Pulse Width of Spike Suppressed
t
SP
50
ns
Note 1: All parameters are tested at T
A
= +25癈. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design.
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