Rainbow Electronics W9864G6GB User Manual

Page 30

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W9864G6GB

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15.7 Page Mode Read (Burst Length = 4, CAS Latency = 3)

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

t

CCD

t

CCD

t

CCD

t

RAS

t

RAS

t

RCD

t

RCD

t

RRD

RAa

RAa

CAI

RBb

RBb

CBx

CAy

CAm

CBz

a0

a1

a2

a3

bx0

bx1

Ay0

Ay1

Ay2

am0

am1

am2

bz0

bz1

bz2

bz3

(CLK = 100 MHz)

* AP is the internal precharge start timing

CLK

DQ

CKE

DQM

A0-A9

A10

BS1

WE

CAS

RAS

CS

Active

Read

Active

Read

Read

Read

Read

Precharge

t

AC

t

AC

t

AC

t

AC

t

AC

Bank #0

Idle

Bank #1

Bank #2

Bank #3

AP*

BS0

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