MSM5416262 查看數據表（PDF） - Oki Electric Industry

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产品描述 (功能)

比赛名单

MSM5416262

262,144-Word x 16-Bit Multiport DRAM

Oki Electric Industry 

¡ Semiconductor

MSM5416262

Write Cycle Function Table

RAS Falling Edge

Code A C

D

DSF WEL/U

DQ

RWM 0

0

Write Mask

BWM 0

0

Write Mask

FWM 1

0

Write Mask

RW 0

1

X

BW 0

1

X

LCR 1

1

X

CAS Falling Edge

B

E

DSF

DQ

0

Valid Data

1

Column Mask

X

X

0

Valid Data

1

Column Mask

1

Color Data

Function

Masked Write

Masked Block Write

Masked Flash Write

Normal Write

Block Write

Load Color Register

WRITE MASK DATA: "Low" = Mask, "High" = No Mask

Column Mask Data

DQ0 - 15

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

DQ8

DQ9

DQ10

DQ11

DQ12

DQ13

DQ14

DQ15

Column Mask Data

Column 0 (A0 = 0, A1 = 0)

Column 1 (A0 = 1, A1 = 0)

Column 2 (A0 = 0, A1 = 1)

Column 3 (A0 = 1, A1 = 1)

Column 0 (A0 = 0, A1 = 0)

Column 1 (A0 = 1, A1 = 0)

Column 2 (A0 = 0, A1 = 1)

Column 3 (A0 = 1, A1 = 1)

Column 0 (A0 = 0, A1 = 0)

Column 1 (A0 = 1, A1 = 0)

Column 2 (A0 = 0, A1 = 1)

Column 3 (A0 = 1, A1 = 1)

Column 0 (A0 = 0, A1 = 0)

Column 1 (A0 = 1, A1 = 0)

Column 2 (A0 = 0, A1 = 1)

Column 3 (A0 = 1, A1 = 1)

Low: Mask

High: No Mask

Low: Mask

High: No Mask

Low: Mask

High: No Mask

Low: Mask

High: No Mask

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