M66258FP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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コンポーネント説明

メーカー

M66258FP

8192 x 8-BIT LINE MEMORY

MITSUBISHI ELECTRIC  

• Matters that needs attetion when WCK stops

WCK

n cycle

n+1 cycle

tWCK

WE

tDS tDH

Dn

(n)

MITSUBISHI <DIGITAL ASSP>

M66258FP

8192 x 8-BIT LINE MEMORY

n cycle

Disable cycle

tNWES

tDS tDH

(n)

Period for writing data

(n) into memory

Period for writing data

(n) into memory

WRES = "H"

Input data of n cycle is read at the rising edge after WCK of n cycle and writing operation starts in the WCK low-level period of n+1

cycle. The writing operation is complete at the falling edge after n+1 cycle.

To stop reading write data at n cycle, enter WCK before the rising edge after n+1 cycle.

When the cycle next to n cycle is a disable cycle, WCK for a cycle requires to be entered after the disable cycle as well.

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