W986408CH 查看數據表（PDF） - Winbond

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W986408CH

2M x 8 bit x 4 Banks SDRAM

Winbond 

W986408CH

2M x 8 bit x 4 Banks SDRAM

Interleaved Bank Read (Burst Length=8, CAS Latency=3)

(CLK = 100 MHz)

CLK

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

CS

RAS

CAS

tRC

tRAS

tRP

tRP

tRAS

tRC

tRAS

tRC

tRP

WE

BS0

BS1

A10

tRCD

RAa

tRCD

RBb

tRCD

RAc

A0-A9 RAa

A11

DQM

CKE

DQ

CAx

RBb

CBy

RAc

CAz

tRRD

tAC

tAC

ax0 ax1 ax2 ax3 ax4 ax5 ax6 by0 by1

tRRD

tAC

by4 by5 by6 by7

CZ0

Bank #0 Active

Bank #1

Bank #2

Idle

Bank #3

Read

Precharge

Active

Precharge

Read

Active

Read

Precharge

Revision 1.0

- 21 -

Publication Release Date: March, 1999

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