AK8817_06 Datasheet, PDF (43/44 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
<Revised History>
MS0413-E-01
2006/1
Block Diagram is revised.
MS0413-E-02
P.4
Before
2006/4
F1
CLKINV
I
After
F1
CLKINV
I
P.8
AC Timing
CLK
Before
Internal clock is inverted (internal operation timing edge is inverted.)
Connect to either DVDD or DGND.
Internal clock is inverted (internal operation timing edge is inverted.)
Connect to either PVDD or PVSS(DGND).
CLKIN
fCLKI
tCLKIL
tCLKIH
1/2 DVDD
VIH
VIL
[AK8817]
After
CLKIN
fCLKI
tCLKIL
tCLKIH
1/2 PVDD
VIH
VIL
MS0413-E-03
2006/5
Appending
Before
Note1) operation at 27 MHz, NTSC mode on-chip 75% color bar output is enabled and Video Amp output is “ on “ ( no
external output loads are connected , other than those recommended, connecting-components ).
After
Note1) operation at 27 MHz, NTSC mode on-chip 75% color bar output is enabled and Video Amp output is “ on “ ( no
external output loads are connected except for recommended components. ). 15pF capacitors in following figure represent
PCB layout-capacitor.
MS0413-E-03
43
2006 / 05