WED9LC6816V1310BC Ver la hoja de datos (PDF) - White Electronic Designs => Micro Semi

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Fabricante

WED9LC6816V1310BC

256Kx32 SSRAM/4Mx32 SDRAM

White Electronic Designs => Micro Semi 

White Electronic Designs

WED9LC6816V

FIG. 11 SDRAM READ & WRITE CYCLE AT DIFFERENT BANK @

BURST LENGTH = 4

0

1

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16 17 18 19

SDCK

SDCE#

SDRAS#

SDCAS#

ADDR

RAa

CAa

BA0, 1

[A12,A13]

SDA10

RAa

RBb

RBb

CL=2

DQ

CL=3

QAa0 QAa1 QAa2 QAa3

QAa0 QAa1 QAa2 QAa3

CBb RAc

CAc

RAc

tCDL Note 1

DBb0 DBb1 DBb2 DBb3

QAc0 QAc1 QAc2

DBb0 DBb1 DBb2 DBb3

QAc0 QAc1

SDWE#

BWE#

Row Active

(A-Bank)

Read

(A-Bank)

Precharge

(A-Bank)

Row Active

(A-Bank)

Write

(B-Bank)

Row Active

(A-Bank)

Read

(A-Bank)

DON’T CARE

NOTES:

1. tCDL should be met to complete write.

Contact factory for ordering information.

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

September, 2003

Rev. 1

20

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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