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AK8858 Datasheet, PDF (19/96 Pages) Asahi Kasei Microsystems – PS/SD Multi Format Video Decoder
[5.7] I2C bus input timing
[AK8858]
[5.7.1] Timing 1
tBUF tHD : STA
tR
SDA
tF
tSU : STO
VIH
VIL
tF
tR
VIH
SCL
VIL
tLOW
tSU : STA
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
Input Signal Rise Time
tR
300
nsec
Input Signal Fall Time
tF
300
nsec
Setup Time(Start Condition)
tSU:STA
0.6
usec
Setup Time(Stop Condition)
tSU:STO
0.6
usec
*The timing relating to the I2C bus is as stipulated by the I2C bus specification, and not determined by the
device itself. For details, see I2C bus specification.
[5.7.2] Timing 2
tHD : DAT
VIH
SDA
VIL
tHIGH
SCL
VIH
VIL
TSU : DAT
Parameter
Data Setup Time
Data Hold Time
Symbol
tSU:DAT
tHD:DAT
Min
100(*1)
0.0
Max
0.9(*2)
Units
nsec
usec
Clock Pulse High Time
tHIGH
0.6
usec
(*1) If I2C is used in standard mode, tSU:DAT≥250ns is required.
(*2) This condition must be met if the AK8858 is used with a bus that does not extend tLOW (to use tLOW at
minimum specification).
MS1230-E-00
- 19 -
2010/9