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LM70 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM70
Description  SPI/MICROWIRE™ 10-Bit plus Sign Digital Temperature Sensor
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM70 Datasheet(HTML) 5 Page - National Semiconductor (TI)

 
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Logic Electrical Characteristics (Continued)
SERIAL BUS DIGITAL SWITCHING CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
+ = 2.65V to 3.6V for the LM70-3 and V+ = 4.5V to 5.5V for the
LM70-5, C
L (load capacitance) on output lines = 100 pF unless otherwise specified. Boldface limits apply for TA =TJ =
T
MIN to TMAX; all other limits TA =TJ = +25˚C, unless otherwise noted.
Symbol
Parameter
Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limit)
t
1
SC (Clock) Period
0.16
DC
µs (min)
(max)
t
2
CS Low to SC (Clock) High Set-Up Time
100
ns (max)
t
3
CS Low to Data Out (SO) Delay
70
ns (max)
t
4
SC (Clock) Low to Data Out (SO) Delay
70
ns (max)
t
5
CS High to Data Out (SO) TRI-STATE
200
ns (min)
t
6
SC (Clock) High to Data In (SI) Hold Time
60
ns (min)
t
7
Data In (SI) Set-Up Time to SC (Clock) High
30
ns (min)
DS101223-4
FIGURE 2. Data Output Timing Diagram
DS101223-5
FIGURE 3. TRI-STATE Data Output Timing Diagram
DS101223-6
FIGURE 4. Data Input Timing Diagram
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