LM75A_4
?NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 04  10 July 2007
16 of 24
NXP Semiconductors
LM75A
Digital temperature sensor and thermal watchdog
12. Dynamic characteristics
[1]   These specications are guaranteed by design and not tested in production.
[2]   The data hold time minimum value is 10 ns for the SCL clock period of 10 祍 or higher.
Table 18.   I
2
C-bus interface dynamic characteristics
[1]
V
CC
= 2.8 V to 5.5 V; T
amb
= 55 癈 to +125 癈; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
T
CLK
SCL clock period
see
Figure
12
2.5
-
-
t
HIGH
HIGH period of the SCL clock
0.6
-
-
t
LOW
LOW period of the SCL clock
1.3
-
-
t
HD;STA
hold time (repeated) START condition
100
-
-
ns
t
SU;DAT
data set-up time
100
-
-
ns
t
HD;DAT
data hold time
[2]
0
-
-
ns
t
SU;STO
set-up time for STOP condition
100
-
-
ns
t
f
fall time
SDA and OS outputs;
C
L
= 400 pF; I
OL
= 3 mA
-
250
-
ns
Fig 12. Timing diagram
002aad031
T
CLK
t
HIGH
t
HD;STA
t
SU;DAT
t
HD;DAT
t
LOW
t
SU;STO
SCL
SDA
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