ML7005 データシートの表示（PDF） - Oki Electric Industry

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ML7005

DTMF Transceiver

Oki Electric Industry 

¡ Semiconductor

ML7005

Processor Interface Charactceristics (Intel Processor Mode)

(VDD = 2.7 to 5.5 V, Ta = –30 to +85°C)

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Address Data Setup Time

tAL

—

80

—

—

ns

Address Data Hold Time

tLA

—

30

—

—

ns

ALE Signal Time

tLL

—

80

—

—

ns

Chip Select Setup Time before Read tCRS

—

30

—

—

ns

Chip Select Hold Time after Read

READ Data Output Delay Time

tCRH

—

30

tRD VOL £ 0.4 V, VOH ≥ VDD – 0.4 V 0

—

—

ns

90 180 ns

Data Float Time after Read

tRDF

READ Signal Time

tRW

—

5

37

60

ns

—

200 —

—

ns

Chip Select Setup Time before Write tCWS

—

30

—

—

ns

Chip Select Hold Time after Write tCWH

—

30

—

—

ns

WR Signal Time

tWW

—

140 —

—

ns

Data Setup Time before Write

tDW

—

80

—

—

ns

Data Hold Time

tWD

—

30

—

—

ns

ALE

READ

WR

D0 to D3

CS

tLL

tRW

tAL tLA

tRD

tRDF

ADDRESS

tCRS

READ DATA

tCRH

tLL

tWW

tAL tLA

ADDRESS

tCWS

tDW tWD

WRITE DATA

tCWH

Figure 4 Processor Interface Timing (Intel Processor Mode : PTYPE="1")

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