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LP3950SL Scheda tecnica(PDF) 12 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte LP3950SL
Spiegazioni elettronici  Color LED Driver with Audio Synchronizer
PDF  31 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3950SL Scheda tecnica(HTML) 12 Page - National Semiconductor (TI)

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I
2C Compatible Interface (Continued)
I
2C Timing Parameters
(V
DD1 =VDD2 =VDDA = 2.70V to 2.90V, VDDIO = 1.65V to VDD1,2 V)
Symbol
Parameter
Limit
Units
Min
Max
1
Hold Time (repeated) START Condition
0.6
µs
2
Clock Low Time (1.65V
≤ V
DDIO < 1.80V)
3.2
µs
2
Clock Low Time (1.80V
≤ V
DDIO
≤ V
DD1,2V)
1.3
µs
3
Clock High Time (1.65V
≤ V
DDIO < 1.80V)
1200
ns
3
Clock High Time (1.80V
≤ V
DDIO
≤ V
DD1,2V)
600
ns
4
Setup Time for a Repeated START Condition
600
ns
5
Data Hold Time (data output, delay generated by LP3950)
300
900
ns
5
Data Hold Time (data input)
0
900
ns
6
Data Setup Time
100
ns
7
Rise Time of SDA and SCL
20+0.1C
b
300
ns
8
Fall Time of SDA and SCL
15+0.1C
b
300
ns
9
Set-up Time for STOP condition
600
ns
10
Bus Free Time between a STOP and a START Condition
1.3
µs
C
b
Capacitive Load Parameter for Each Bus Line.
Load of One Picofarad Corresponds to One Nanosecond.
10
200
ns
NOTE: Data guaranteed by design
20129314
FIGURE 9. I
2C Read Cycle
20129341
FIGURE 10. I
2C Timing Diagram
www.national.com
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