Figure 75: READ to PRECHARGE (BC4)
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
ACT
T14
T15
T16
T17
CK#
CK
Command
READ
NOP
NOP
NOP
NOP
PRE
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
Bank a,
Col n
Bank a,
(or all)
Bank a,
Row b
Address
tRP
tRTP
DQS, DQS#
DQ
DO
n
DO
n + 1
DO
DO
n + 2
n + 3
tRAS
Transitioning Data
Don’t Care
Figure 76: READ to PRECHARGE (AL = 5, CL = 6)
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
CK#
CK
PRE
NOP
Command
READ
NOP
NOP
NOP
NOP
NOP
NOP
NOP
tRTP
NOP
NOP
NOP
NOP
NOP
ACT
Bank a,
Col n
Bank a,
(or all)
Bank a,
Row b
Address
tRP
AL = 5
DQS, DQS#
DQ
DO
n
DO
DO
DO
n + 3
n + 1
n + 2
CL = 6
tRAS
Transitioning Data
Don’t Care
Figure 77: READ with Auto Precharge (AL = 4, CL = 6)
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
Ta0
ACT
CK#
CK
Command
READ
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
Bank a,
Col n
Bank a,
Row b
Address
t
AL = 4
RTP (MIN)
DQS, DQS#
DQ
DO
n
DO
DO
DO
n + 1
n + 2
n + 3
CL = 6
t
t
RAS (MIN)
RP
Indicates break
in time scale
Transitioning Data
Don’t Care
MICRON [ MICRON TECHNOLOGY ]
