Data Sheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN5400 Family • Rev. 1.10 9
FAN5400 Family — USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator
I
2
C Timing Specifications
Guaranteed by design.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
f
SCL
SCL Clock Frequency
Standard Mode
100
kHz
Fast Mode
400
High-Speed Mode, C
B
< 100 pF
3400
High-Speed Mode, C
B
< 400 pF
1700
t
BUF
Bus-Free Time between STOP
and START Conditions
Standard Mode
4.7
s
Fast Mode
1.3
t
HD;STA
START or Repeated START
Hold Time
Standard Mode
4
s
Fast Mode
600
ns
High-Speed Mode
160
ns
t
LOW
SCL LOW Period
Standard Mode
4.7
s
Fast Mode
1.3
s
High-Speed Mode, C
B
< 100 pF
160
ns
High-Speed Mode, C
B
< 400 pF
320
ns
t
HIGH
SCL HIGH Period
Standard Mode
4
s
Fast Mode
600
ns
High-Speed Mode, C
B
< 100 pF
60
ns
High-Speed Mode, C
B
< 400 pF
120
ns
t
SU;STA
Repeated START Setup Time
Standard Mode
4.7
s
Fast Mode
600
ns
High-Speed Mode
160
ns
t
SU;DAT
Data Setup Time
Standard Mode
250
ns
Fast Mode
100
High-Speed Mode
10
t
HD;DAT
Data Hold Time
Standard Mode
0
3.45
s
Fast Mode
0
900
ns
High-Speed Mode, C
B
< 100 pF
0
70
ns
High-Speed Mode, C
B
< 400 pF
0
150
ns
t
RCL
SCL Rise Time
Standard Mode
20 + 0.1C
B
1000
ns
Fast Mode
20 + 0.1C
B
300
High-Speed Mode, C
B
< 100 pF
10
80
High-Speed Mode, C
B
< 400 pF
20
160
t
FCL
SCL Fall Time
Standard Mode
20 + 0.1C
B
300
ns
Fast Mode
20 + 0.1C
B
300
High-Speed Mode, C
B
< 100 pF
10
40
High-Speed Mode, C
B
< 400 pF
20
80
t
RDA
t
RCL1
SDA Rise Time
Rise Time of SCL after a
Repeated START Condition
and after ACK Bit
Standard Mode
20 + 0.1C
B
1000
ns
Fast Mode
20 + 0.1C
B
300
High-Speed Mode, C
B
< 100 pF
10
80
High-Speed Mode, C
B
< 400 pF
20
160
Continued on the following page…