Instruction Manual
W9864G2GH
- 30 -
Operating Timing Example, continued
14.7 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