Instruction Manual

W9864G2GH
- 32 -
Operating Timing Example, continued
14.9 Autoprecharge 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
(CLK = 100 MHz)
CLK
DQ
CKE
DQM
A0-A9
A10
WE
CAS
RAS
CS
BS1
t RC
t RAS t RP t RAS
t RCD
t RCD
t AC
t AC
Active
Read
AP*
Active Read
AP*
RAa
RAb
RAa CAw
RAb
CAx
aw0 aw1 aw2 aw3
* AP is the internal precharge start timing
Bank #0
Idle
Bank #1
Bank #2
Bank #3
BS0
bx0
bx2bx1
bx3