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AK8817 Datasheet(PDF) 12 Page - Asahi Kasei Microsystems

Part No. AK8817
Description  NTSC/PAL Digital Video Encoder
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Maker  AKM [Asahi Kasei Microsystems]
Homepage  http://www.akm.com
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AK8817 Datasheet(HTML) 12 Page - Asahi Kasei Microsystems

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ASAHI KASEI
[AK8817/18]
Rev.000
12
2007 / 03
(5) I2C Bus Input/Output Timing < Ta = -30 ~ +85
°C >
(5-1) Timing 1
VSDAH: 0.8PVDD
VSDAL : 0.2PVDD
Parameter
Symbol
Min.
Max.
Unit
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 above I2C bus related timing is specified by the I2C Bus Specification, and it is not limited by the device
performance. For details, please refer to the I2C Bus Specification.
(5-2) Timing 2
SDA
tHD:DAT
tHIGH
tSU
:DAT
SCL
VSDAH
VSDAL
VSDAH
VSDAL
VSDAH: 0.8PVDD
VSDAL : 0.2PVDD
Parameter
Symbol
Min.
Max.
Unit
Data Setup Time
tSU:DAT
100 (note1)
nsec
Data Hold Time
tHD:DAT
0.0
0.9 (note2)
usec
Clock Pulse High Time
tHIGH
0.6
usec
note 1 : when to use I2C Bus Standard mode, tSU:DAT >- 250 ns must be met.
note 2 : when the AK8817 is used in such bus interface where tLOW is not extended ( at minimum specification of
tLOW ), this condition must be met.
tR
tLOW
SDA
tBUF
tHD
:STA
tF
tR
tF
tSU
:STO
tSU
:STA
SCL
VSDAH
VSDAL
VSDAH
VSDAL


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