M66256FP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M66256FP

5120 × 8-BIT LINE MEMORY (FIFO)

MITSUBISHI ELECTRIC  

MITSUBISHI 〈DIGITAL ASSP〉

M66256FP

• Read cycle

RCK

RE

Qn

5120 × 8-BIT LINE MEMORY (FIFO)

Cycle n

Cycle n+1

Cycle n+2

Disable cycle

Cycle n+3

Cycle n+4

tRCK

tRCKH tRCKL tREH tNRES

tODIS

(n)

(n+1)

(n+2)

tNREH tRES

tAC

tOEN

HIGH-Z

(n+3)

tOH

(n+4)

RRES = “H”

• Read reset cycle

RCK

RRES

Qn

Cycle n–1

Cycle n

Reset cycle

Cycle 0

Cycle 1

Cycle 2

tRCK

tNRESH tRESS

tRESH tNRESS

tAC

(n–1)

(n)

(0)

(0)

(0)

(1)

(2)

tOH

RE = “L”

7

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