lp5527tlx National Semiconductor Corporation, lp5527tlx Datasheet - Page 16

• Manufacturer Part Number: lp5527tlx
• Description: Tiny Led Driver For Camera Flash And 4 Leds With I2c Programmability, Connectivity Test And Audio Synchronization
• Manufacturer: National Semiconductor Corporation

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I
w = write (SDA = “0”)
r = read (SDA = “1”)
ack = acknowledge (SDA pulled down by either master or slave)
rs = repeated start
id = chip address, 4C hex for LP5527.
I
2
2
C TIMING PARAMETERS (V
C Compatible Interface
Symbol
1
2
3
4
5
5
6
7
8
9
Hold Time (repeated) START Condition
Clock Low Time
Clock High Time
Setup Time for a Repeated START Condition
Data Hold Time (Output direction, delay generated by LP5527)
Data Hold Time (Input direction)
Data Setup Time
Rise Time of SDA and SCL
Fall Time of SDA and SCL
Set-up Time for STOP condition
DD1,2
= 3.0 to 4.5V, V
(Continued)
Parameter
I
DDIO
2
C Timing Diagram
I
I
2
2
C Write Cycle
C Read Cycle
= 1.65V to V
16
DD1,2
)
20+0.1C
15+0.1C
Min
600
600
300
100
600
0.6
1.3
0
Limit
b
b
20184054
Max
900
900
300
300
20184017
20184018
Units
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns