mt48h16m16lfbf-75 Micron Semiconductor Products, mt48h16m16lfbf-75 Datasheet - Page 33

• Manufacturer Part Number: mt48h16m16lfbf-75
• Description: 256mb X16, X32 Mobile Sdram
• Manufacturer: Micron Semiconductor Products

Figure 23: WRITE-to-PRECHARGE
Figure 24: Terminating a WRITE Burst
PDF:09005aef8219eeeb/Source: 09005aef8219eedd
256mb_x16_sdram_y36m_1.fm - Rev G 2/08 EN
Note:
Note:
COMMAND
COMMAND
COMMAND
t
t
WR@
WR@
ADDRESS
ADDRESS
ADDRESS
DQM could remain LOW in this example if the WRITE burst is a fixed length of two.
DQMs are LOW.
DQM
DQM
t
t
CLK
CK ≥ 15ns
CK < 15ns
DQ
DQ
CLK
DQ
BANK a,
BANK a,
WRITE
WRITE
COL n
COL n
BANK,
WRITE
COL n
D
D
T0
n
n
D
IN
IN
T0
n
IN
TERMINATE
n + 1
n + 1
NOP
NOP
BURST
T1
D
D
T1
IN
IN
t
WR
DON’T CARE
PRECHARGE
(a or all)
COMMAND
BANK
(Address)
33
NOP
T2
(Data)
T2
NEXT
t
WR
PRECHARGE
(a or all)
BANK
T3
NOP
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t RP
NOP
256Mb: x16, x32 Mobile SDRAM
NOP
T4
t RP
BANK a,
ACTIVE
ROW
NOP
T5
DON’T CARE
BANK a,
ACTIVE
ROW
©2006 Micron Technology, Inc. All rights reserved
NOP
T6
Operations