Remote ?癈 Accurate Digital Temperature
Sensors with SPI-Compatible Serial Interface
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(3.0V d V
CC
d 5.5V, -55癈 d T
A
d +125癈, unless otherwise noted. Typical values are at T
A
= +25癈, V
CC
= +3.3V, unless otherwise
noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS (CS, SCK)
Logic Input Low Voltage
V
IL
0.3 x
V
CC
V
Logic Input High Voltage
V
IH
0.7 x
V
CC
V
Input Leakage Current
I
LEAK
V
CS
= V
SCK
= GND or V
CC
1
礎
LOGIC OUTPUTS (SDO)
Output Low Voltage
V
OL
I
SINK
= 1.6mA
0.4
Output High Voltage
V
OH
I
SOURCE
= 1.6mA
V
CC
-
0.4
V
TIMING CHARACTERISTICS (Note 2, Figure 2)
Serial-Clock Frequency
f
SCL
5
MHz
SCK Pulse Width High
t
CH
100
ns
SCK Pulse Width Low
t
CL
100
ns
CS Fall to SCK Rise
t
CSS
C
LOAD
= 10pF
80
ns
CS Fall to Output Enable
t
DV
C
LOAD
= 10pF
80
ns
CS Rise to Output Disable
t
TR
C
LOAD
= 10pF
50
ns
SCK Fall to Output Data Valid
t
DO
C
LOAD
= 10pF
80
ns
Note 1: T
RJ
is the temperature of the remote junction.
Note 2: Serial timing characteristics guaranteed by design.
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