AK8851 查看數據表（PDF） - Asahi Kasei Microdevices

零件编号

产品描述 (功能)

比赛名单

AK8851

NTSC/PAL/SECAM Digital Video Decoder

Asahi Kasei Microdevices 

ASAHI KASEI

(3-2) 16-Bit Output Data Timing ([D7:D0] and [EXTDAT7:EXTDAT0])

HALFCKO

[D7:0]

EXTDAT7:0]

tOSU3

tOHD3

Y Cb/Cr

Parameter

Symbol

Min.

Typ.

Max.

Output Data Setup Time tOSU3

10

Output Data Hold Time tOHD3

20

(4) Reset Timing

[AK8851]

VIH

VIL

VIH

VIL

Units

nsec

nsec

Remark

CLClk 25pF

CLData 25pF

/RESET

CLK

VIL

pRES

Parameter

Symbol

Min.

Typ.

Max.

Units

Remark

/RESET Pulse width

pRES

10

CLK

Clock Rising Edge

Note) a 24.576 MHz clock is required for reset operation.

After application of clock, the /RESET pin should be pulled low. This power-on RESET is recommended whenever

power is applied or removed from the AK8851, until as applying voltage to the AK8851 cannot ensure proper device

initialization. Only a reset sequence can ensure this.

.

Output pins except for CLK27MO pin become low during the reset sequence.

MS0244-E-03

10

Confidential

2005 / 07

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