ASAHI KASEI
[AK8817/18]
(2) Pixel Data Input Timing
VIH
VIL
CLKIN
tDH
tDS
D[7:0]
HDI
VDI
CLKINV = Low
Conditions
Parameter
Symbol
tDS
Min.
Typ.
Max
Unit
Data Setup Time
Data Hold Time
5
8
nsec
nsec
tDH
When CLKINV = High, similar tDS and tDH are specified at the falling edge of CLKOUT.
(3) HSYNC pulse width
pHSW
HSYNC
Parameter
Symbol
pHSW
Min.
15
Typ.
116
128
139
Max
Unit
Conditions
NTSC
(24.5454MHz)
HDI Pulse Width
CLKs
15
27MHz
PAL
(29.50MHz)
15
* typical values are calculated by converting the HSYNC pulse width of Analog Video specification into number of system
clock pulses.
Rev.001E
14
2009 / 12