Figure 86: Consecutive WRITE (BL8) to WRITE (BL8)
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
CK#
CK
Command1
WRITE
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
WRITE
NOP
NOP
NOP
NOP
NOP
t
t
BL = 4 clocks
t
t
CCD
WR
WTR
Address2
Valid
Valid
t
WPST
t
WPRE
DQS, DQS#
DQ3
DI
n
DI
DI
DI
DI
DI
DI
DI
DI
b
DI
DI
DI
DI
DI
DI
DI
b + 7
n + 1
n + 3
n + 4
n + 5
n + 6
n + 7
b + 1
b + 2
b + 3
b + 4
b + 5
b + 6
n + 2
WL = 5
WL = 5
Transitioning Data
Don’t Care
1. NOP commands are shown for ease of illustration; other commands may be valid at these times.
Notes:
2. The BL8 setting is activated by either MR0[1:0] = 00 or MR0[1:0] = 01 and A12 = 1 during the WRITE commands at
T0 and T4.
3. DI n (or b) = data-in for column n (or column b).
4. BL8, WL = 5 (AL = 0, CWL = 5).
Figure 87: Consecutive WRITE (BC4) to WRITE (BC4) via OTF
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
CK#
CK
Command1
WRITE
NOP
NOP
NOP
WRITE
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
t
t
t
t
CCD
BL = 4 clocks
WR
WTR
Address2
Valid
Valid
t
t
t
t
WPST
WPRE
WPST
WPRE
DQS, DQS#
DQ3
DI
n
DI
DI
DI
DI
b
DI
DI
DI
b + 3
n + 1
n + 2
n + 3
b + 1
b + 2
WL = 5
WL = 5
Transitioning Data
Don’t Care
1. NOP commands are shown for ease of illustration; other commands may be valid at these times.
2. BC4, WL = 5 (AL = 0, CWL = 5).
Notes:
3. DI n (or b) = data-in for column n (or column b).
4. The BC4 setting is activated by MR0[1:0] = 01 and A12 = 0 during the WRITE command at T0 and T4.
5. If set via MRS (fixed) tWR and tWTR would start T11 (2 cycles earlier).
MICRON [ MICRON TECHNOLOGY ]
