AK8815 Datasheet, PDF (10/37 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
[AK8815/16]
(2) Pixel Data Input Timing
CLKOUT
D7:D0
HSYNC
VSYNC
tDS
tDH
VIH1, VIH2
VIL1, VIL2
VIH1, VIH2
VIL1, VIL2
CLKINV = Low, -20 ~ 85 °C ( loading condition : CL = 30 pF at 3 V I/F / 15 pF at 1.8 V I/F )
Parameter
Symbol
Min.
Typ.
Max
Unit
Conditions
Data Setup Time
tDS
8
nsec
Data Hold Time
tDH
5
nsec
above values are specified at the AK8815/16 device pin terminal and do not include interconnection delays of
pc
board etc..
When CLKINV = High, similar tDS and tDH are specified at the falling edge of CLKOUT.
(3) HSYNC pulse width
pHSW
HSYCN
Parameter
Symbol
Min.
Typ.
Max
Unit
Conditions
HSYNC Pulse Width
pHSW
15
115/16
15
139
CLKs
NTSC
(24.5454MHz)
PAL
(29.50MHz)
* typical values are calculated by converting the HSYNC pulse width of Analog Video specification into number
of system clock pulses.
MS0331-E-00
10
2004 / 08