MB86615 Просмотр технического описания (PDF) - Fujitsu

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MB86615

IEEE 1394 Bus Controller (for DVC)

Fujitsu 

MB86615

(2) 68-Series DMA Read Operation

Parameter

DREQ “H” to DACK “L”

DS “H” to DREQ “L”

DACK setup time

DACK hold time

R/W setup time

R/W hold time

DS “L” level pulse width

DS “H” level pulse width

Data output definition time

Data output disabled time

Symbol

tDHAL

tDHDL

tDARS

tDARH

tDRWS

tDRWH

tDDS

tDDSH

tDRLD

tDRHD

Value

Unit

Min.

Max.

0

—

ns

—

30

ns

20

—

ns

0

—

ns

20

—

ns

10

—

ns

40

—

ns

30

—

ns

—

40

ns

5

—

ns

DREQ

DACK

R/W

DS

D15 to D6, D0

AD5 to AD1

tDHAL

tDARS

tDRWS

tDDS

tDDSH

tDRLD

tDRHD

Defined data

tDHDL

tDARH

tDRWH

Defined data

28

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