lm95172qa2 National Semiconductor Corporation, lm95172qa2 Datasheet - Page 6

• Manufacturer Part Number: lm95172qa2
• Description: 13-bit To 16-bit Digital Temperature Sensor With 3-wire Interface
• Manufacturer: National Semiconductor Corporation

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Symbol
SERIAL BUS DIGITAL SWITCHING CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
lines = 100 pF unless otherwise specified. Boldface limits apply for T
unless otherwise noted. See (Note 7)for CS voltage restriction.
t
t
BUF
t
t
t
t
t
t
t
t
TA
1
2
3
4
5
6
7
8
SC (Serial Clock) Period
CS (Chip Select) Low to SC High Set-Up Time (Note 13)
CS Low to SI/O Output Delay (Note 13)
SC Low to SI/O Output Delay
CS High to Data Out (SI/O) TRI-STATE
SC High to SI/O Input Hold Time
SI/O Input to SC High Set-Up Time
SC Low to CS High Hold Time
Data Turn-Around Time: SI/O input (write to LM95172QA2 MDA) to
output (read from LM95172QA2 MDA)
Bus free time between communications: CS High to CS Low.
(Note 13)
FIGURE 3. TRI-STATE Data Output Timing Diagram
Parameter
FIGURE 2. Data Output Timing Diagram
DD ANALOG
6
= V
DD IO
A
= T
= 3.0V to 3.6V (Note 6); C
J
= T
Conditions
MIN
to T
MAX
; all other limits T
(Note 9)
Typical
30035704
30035705
L
(load capacitance) on output
(Note 10)
Limits
1.25
765
200
84
50
30
50
94
A
1
5
= T
J
= +25°C,
µs (max)
ns (max)
ns (max)
ns (max)
ns (min)
µs (min)
ns (min)
ns (min)
ns (min)
µs (min)
(Limit)
Units