參數(shù)資料
型號： 8817
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： NTSC/PAL Digital Video Encoder
中文描述： NTSC / PAL數(shù)字視頻編碼器
文件頁數(shù)： 12/43頁
文件大小： 818K
代理商： 8817
ASAHI KASEI
[AK8817]
MS0413-E-00
12
2005 / Aug
(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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