M66258FP Datasheet, PDF(6/14 Page) Mitsubishi Electric Semiconductor

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M66258FP Datasheet, PDF (6/14 Pages) Mitsubishi Electric Semiconductor – 8192 x 8-BIT LINE MEMORY

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M66258FP

Operation Timing

Write Cycle

n cycle n + 1 cycle n + 2 cycle

WCK

tWCK

tWCKH tWCKL tWEH tNWES

Disable cycle

n + 3 cycle n + 4 cycle

tNWEH tWES

tDS tDH

(n)

(n + 1)

(n + 2)

(n + 3)

(n + 4)

WRES = "H"

Write Reset Cycle

n â 1 cycle

n cycle

WCK

tWCK

tNRESH tRESS

Reset cycle

WRES

tDS tDH

(n â 1)

(n)

0 cycle

1 cycle

2 cycle

tRESH tNRESS

(0)

(1)

(2)

WE = "L"

REJ03F0252-0200 Rev.2.00 Sep 14, 2007

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