AK8855 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK8855

NTSC/PAL Digital Video Decoder

Asahi Kasei Microdevices 

[ASAHI KASEI]

AK8855

(3-2) All output signals except for NSIG output ( QVGA / QCIF / CIF ( PAL ) / Rotated QVGA / Rotated CIF )

CLKINV-bit = 0 ( by register setting )

CLKO

1/2PVDD

tDS

tDH

Output

signal

0.7PVDD

0.3PVDD

CLKINV-bit = 1 ( by register setting )

CLKO

tDS

tDH

Output

signal

1/2PVDD

0.7PVDD

0.3PVDD

Parameter

Symbol

Min.

Typ.

Max

Unit

Conditions

Output Data Setup

Time

tDS

8

nsec

Output Data Hold

Time

tDH

8

nsec

(4) Reset Timing

RSTN

CLK

VIL

pRES

Parameter

Symbol

Min.

Typ.

Max

Unit

Conditions

RSTN pulse width

pRES

100

CLK

Rising Clock Edge

note )

Clock input is required for reset. Set RSTN pin to low after clock is fed.

Output pins are in Hi-Z condition during RSTN pin at low.

After reset is finished, decoded result is output if OE pin is at high ( Black level is output if no input is fed ).

MS0319-E-03

11

2004 / 11

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