AK8811 Datasheet, PDF (12/36 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
(4). I²C Bus (SCL 400kHz cycle mode)
(4-1) I/O Timing 1
tBuf
tHD:STA
tR
SDA
tF
tR
[AK8811/12]
tF
tSU:STO
SCL
tLOW
tSU:STA
[ 3.3V Temperature 25°C ]
Parameter
Symbol
Min
Max
Units
Bus Free Time
tBUF
1.3
usec
Hold Time (Start Condition)
tHD:STA
0.6
usec
Clock Pulse Low Time
tLOW
1.3
usec
Bus Signal Rise Time
tR
300
nsec
Bus Signal Fall Time
tF
300
nsec
Setup Time(Start Condition)
tSU:STA
0.6
usec
Setup Time(Stop Condition)
tSU:STO
0.6
usec
All the figures shown above list are not restricted by AK8811/12 but are restricted by I²C Bus standard.
Please see the I²C Bus standard for further details.
(4-2) I/O Timing 2
SDA
tHD:DAT
tHIGH
SCL
tSU:DAT
[ 3.3V Temperature 25°C ]
Parameter
Symbol
Min.
Max.
Unit.
Data Setup Time
tSU:DAT
100 (1)
nsec
Data Hold Time
tHD:DAT
0.0
0.9 (2)
usec
Clock Pulse High Time
tHIGH
0.6
usec
(1) In case of normal I²C bus mode tSU:DAT ≥250nsec
(2) Using under minimum tLOW, this value must be satisfied.
Rev.1.1
12
2000/01