ADT75 Analog Devices, Inc., ADT75 Datasheet - Page 6

• Manufacturer Part Number: ADT75
• Description: ?1?c Accurate, 12-bit Digital Temperature Sensor
• Manufacturer: Analog Devices, Inc.

ADT75
TIMING SPECIFICATIONS AND DIAGRAM
Measure the SDA and SCL timing with the input filters turned on to meet the fast mode I
improves the transfer rate but has a negative affect on the EMC behavior of the part.
T
Table 3.
Parameter
Serial Clock Period, t
Data In Setup Time to SCL High, t
Data Out Stable After SCL Low, t
Data Out Stable After SCL Low, t
SDA Low Setup Time to SCL Low (Start Condition), t
SDA High Hold Time After SCL High (Stop Condition), t
SDA and SCL Rise Time, t
SDA and SCL Rise Time, t
SDA and SCL Fall Time, t
Capacitive Load for each Bus Line, C
1
2
Guaranteed by design and characterization; not production tested.
This time has to be met only if the master does not stretch the low period of the SCL signal.
A
= T
MIN
to T
1
MAX
, V
1
DD
= +2.7 V to +5.5 V, unless otherwise noted.
7
6
6
3
3
2
B
DATA OUT
DATA IN
SDA
SDA
SCL
4
t
4
5
Figure 2. SMBus/I
MIN
2.5
50
0
0
50
50
t
1
Rev. 0 | Page 6 of 24
t
2
2
TYP
C Timing Diagram
t
3
MAX
0.9
3.45
300
1000
300
400
2
2
t
7
Units
μs
ns
ns
μs
ns
ns
ns
ns
ns
pF
2
C specification. Switching off the input filters
t
5
t
6
Comments
Fast mode I
See Figure 2
Fast mode I
Standard mode I
See Figure 2
See Figure 2
Fast mode I
Standard mode I
See Figure 2
2
2
2
C. See Figure 2
C. See Figure 2
C. See Figure 2
2
2
C. See Figure 2
C. See Figure 2