M66281FP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M66281FP

5120 x 8-BIT x 2 LINE MEMORY

MITSUBISHI ELECTRIC  

OPERATION TIMING

• Write cycle

MITSUBISHI <DIGITAL ASSP>

M66281FP

5120 x 8-BIT x 2 LINE MEMORY

WCK

WEB

Dn

n cycle

n+1 cycle

n+2 cycle

Disable cycle

n+3 cycle

n+4 cycle

tWCK

tWCKH tWCKL tWEH tNWES

tNWEH tWES

tDS tDH

(n)

(n+1)

(n+2)

(n+3)

(n+4)

WRESB = "H"

• Write reset cycle

WCK

WRESB

Dn

n-1 cycle

n cycle

Reset cycle

tWCK

tNRESH tRESS

(n-1)

tDS tDH

(n)

0 cycle

1 cycle

2 cycle

tRESH tNRESS

(0)

(1)

(2)

WEB = "L"

6

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