CK#
CK
COMMAND
T0
READ
Figure 11
Terminating a READ Burst
T1
T2 T2n T3
ADVANCE
128Mb: x32
DDR SDRAM
T4
T5
BST5
NOP
NOP
NOP
NOP
ADDRESS
Bank a,
Col n
DQS
CL = 2
DQ
DO
n
T0
T1
T2
T3
T4
T5
CK#
CK
COMMAND
READ
BST5
NOP
NOP
NOP
NOP
ADDRESS
Bank a,
Col n
DQS
CL = 3
DQ
DO
n
DON T CARE
TRANSITIONING DATA
NOTE: 1. DO n = data-out from column n.
2. Burst length = 4.
3. Subsequent element of data-out appears in the programmed order following DO n.
4. Shown with nominal tAC, tDQSCK, and tDQSQ.
5. BST = BURST TERMINATE command.
128Mb: x32 DDR SDRAM
4M32DDR_B.p65 – Rev. B, Pub. 7/02
21
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.