CXD1812 Просмотр технического описания (PDF) - Sony Semiconductor

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CXD1812

ATAPI I/F CD-ROM DECODER

Sony Semiconductor 

CXD1812Q/R

2. AC Characteristics (VDD = 5V ±10%, VSS = 0V, Topr = –20 to +75°C, Output Load = 50pF)

2-1. CPU Interface

(1) Read

A0 to A5

XCS

XRD

D0 to D7

Trdw

Tas

Tah

Tdd

Tdf

(2) Write

A0 to A5

XCS

XWR

D0 to D7

Twwr

Tas

Tah

Tds Tdh

Item

Address setup time (for XCS & XRD/XWR ↓)

Address hold time (for XCS & XRD/XWR ↑)

XRD pulse width

Data delay time (for XCS & XRD ↓)

Data float time (for XCS & XRD ↑)

XWR pulse width

Address setup time (for XCS & XWR ↑)

Address hold time (for XCS & XWR ↑)

Symbol Min.

Typ.

Max. Unit

Tas

0

ns

Tah

0

ns

Trdw

43

ns

Tdd

43

ns

Tdf

1

ns

Twwr

21

ns

Tds

7

ns

Tdh

0

ns

–9–

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