ak8823 AKM Semiconductor, Inc., ak8823 Datasheet - Page 5

• Manufacturer Part Number: ak8823
• Description: Hdtv & Ntsc/pal Multi-format Encoder Sdtv/hdtv X2 Oversampling 5ch Dacs
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
AC Timing
(AVDD = 2.66V ~ 3.45V, DVDD = IVDD = 1.65V ~ 2.0V, Ta = -20 ~ +85°C)
( 1 ) CLK_HD at 74.25 MHz operation
( 2 ) CLK_SD / CLK_HD t 27 MHz operation
( note ) if this frequency shifts, color is not retrieved in SD mode in a display monitor.
The AK8823 operation is not affected, though.
MS0549-E-02
CLK_HD
CLK_HD pulse width H
CLK_HD pulse width L
CLK_SD
CLK_HD
CLK_SD / CLK_HD pulse width H
CLK_SD / CLK_HD pulse width L
CLK_HD
CLK_HD
CLK_SD
Item
Item
tCLKH_HD
tCLKH_HD
tCLKH_SD
tCLKL_HD
tCLKL_SD
tCLKL_HD
tCLKL_HD
fCLK_HD
fCLK_HD
fCLK_SD
Symbol
Symbol
tCLKL
fCLK_HD
fCLK
Min.
4.04
4.04
15.0
15.0
Min.
5
tCLKH_HD
74.25
Typ.
tCLKH
Typ.
27
Max.
Max.
1/2 level of VIH and VIL
1/2 level of VIH and VIL
Units
MHz
nsec
nsec
Units
MHz
nsec
nsec
VIH
VIH
VIL
VIL
74.25 / 74.175MHz
27MHz ( note )
Condition
Condition
[AK8823]
2006/10