AK8850 Datasheet, PDF (16/99 Pages) Asahi Kasei Microsystems – NTSC Digital Video Decoder

ASAHI KASEI
4-6-7 I2C bus Input & Output Timing ( SCL 400KHz cycle mode )
(1) Timing 1
tBUF ^tHD:STA
tR
tF
SDA
tF
tR
SCL
tLOW
tSU:STA
[AK8850]
tSU:STO
0.7VDD
0.3VDD
0.7VDD
0.3VDD
Item
Symbol
Min.
Max.
Bus Free Time
tBUF
1.3
Hold Time (Start Condition)
tHD:STA
0.6
Clock Pulse Low Time
tLOW
1.3
Input Signal Rise Time
tR
300
Input Signal Fall Time
tF
300
Setup Time(Start Condition)
tSU:STA
0.6
Setup Time(Stop Condition)
tSU:STO
0.6
All the figures shown above are not defined by the AK8850 but are defined by I²C Bus standard.
Please see the I²C Bus standard for further details
Unit
usec
usec
usec
nsec
nsec
usec
usec
(2) Timing 2
SDA
SCL
tHD:DAT
tHIGH
tSU:DAT
0.7VDD
0.3VDD
0.7VDD
0.3VDD
Item
Symbol
Min.
Data Setup Time
tSU:DAT
100(1)
Data Hold Time
tHD:DAT
0.0
Clock Pulse High Time
tHIGH
0.6
(1) In case of normal I²C bus mode tSU:DAT ≥250nsec
(2) Using under minimum tLOW, this value must be satisfied.
Max.
0.9(2
Unit
nsec
usec
usec
Rev.0
16
2002/01