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Rainbow Electronics W982516CH User Manual

Page 21

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W982516CH

Publication Release Date: Mar 2003

- 21 -

Revision A1

Operating Timing Example, continued

Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Autoprecharge)

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

(CLK = 100 MHz)

CLK

CKE

DQM

A0-A9,

A11,12

A10

BS1

WE

CAS

RAS

CS

BS0

t

RC

t

RC

t

RC

t

RAS

t

RP

t

RAS

t

RP

t

RAS

t

RP

t

RAS

t

RCD

t

RCD

t

RCD

t

RCD

t

AC

t

AC

t

AC

t

AC

t

RRD

t

RRD

t

RRD

t

RRD

Active

Read

Active

Read

Active

Active

Active

Read

Read

t

RC

RAa

RBb

RAc

RBd

RAe

DQ

aw0

aw1

aw2

aw3

bx0

bx1

bx2

bx3

cy0

cy1

cy2

cy3

dz0

* AP is the internal precharge start timing

Bank #0

Idle

Bank #1

Bank #2

Bank #3

AP*

AP*

AP*

RAa

CAw

RBb

CBx

RAc

CAy

RBd

RAe

CBz