CXD1804CR データシートの表示（PDF） - Sony Semiconductor

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CXD1804CR

CD-ROM Decoder

Sony Semiconductor 

AC Characteristics

1. Sub CPU Interface (Output Load = 50pF)

(1) Read

A6 to 0

XCS

XRD

D7 to 0

Trrl

Tsar

Tdrd

Thar

Tfrd

Item

Symbol Min. Typ. Max. Unit

Address setup time (for XCS & XRD ↓) Tsar

10

ns

Address hold time (for XCS & XRD ↑) Thar

10

ns

Data delay time (for XCS & XRD ↓)

Tdrd

35

ns

Data float time (for XCS & XRD ↑)

Tfrd

0

15

ns

(2) Write

A6 to 0

XCS

XWR

D7 to 0

Tsaw

Twwl

Thwa

Tsdw

Thdw

Item

Symbol Min. Typ. Max. Unit

Address setup time (for XCS & XWR ↓) Tsaw

20

ns

Address hold time (for XCS & XWR ↑) Thaw

10

ns

Data setup time (for XCS & XWR ↓)

Tsdw

20

ns

Data hold time (for XCS & XWR ↑)

Thdw

10

ns

Low level XWR pulse width

Twwl

30

ns

– 11 –

CXD1804CR

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