FAN5405 Fairchild Semiconductor, FAN5405 Datasheet - Page 10

• Manufacturer Part Number: FAN5405
• Description: The FAN5405 combines a highly integrated switched-mode charger, to minimize single-cell Lithium-ion (Li-ion) charging time from a USB power source, and a boost regulator to power a USB peripheral from the battery
• Manufacturer: Fairchild Semiconductor

I
Guaranteed by design.
Timing Diagrams
© 2009 Fairchild Semiconductor Corporation
FAN5400 Family • Rev. 1.0.7
SDA
SCL
2
Symbol
C Timing Specifications
t
SU;STO
t
FDA
C
B
t
HD;STA
t
F
START
SDA Fall Time
Stop Condition Setup Time
Capacitive Load for SDA, SCL
SDAH
SCLH
Note A: First rising edge of SCLH after Repeated Start and after each ACK bit.
t
SU;STA
t
LOW
Parameter
t
t
R
HD;STA
t
FDA
REPEATED
= MCS Current Source Pull-up
= R
START
P
Resistor Pull-up
t
HIGH
Figure 5. I
t
HD;DAT
t
Figure 6. I
RDA
t
LOW
t
RCL1
note A
2
T
C Interface Timing for Fast and Slow Modes
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode
t
SU;DAT
t
HD;DAT
HIGH
2
C Interface Timing for High-Speed Mode
t
FCL
t
SU;DAT
t
RCL
10
Conditions
t
B
B
SU;STA
< 100pF
< 400pF
t
HD;STA
REPEATED
START
t
SU;STO
REPEATED
START
Min.
20+0.1C
20+0.1C
t
HD;STO
STOP
Typ. Max. Units
600
160
10
20
4
B
B
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STOP
400
300
300
160
80
t
BUF
START
pF
ns
s
ns
ns