mt48h16m16lfbf-75 Micron Semiconductor Products, mt48h16m16lfbf-75 Datasheet - Page 37

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

Figure 28: Clock Suspend During READ Burst
Figure 29: READ with Auto Precharge Interrupted by a READ
PDF:09005aef8219eeeb/Source: 09005aef8219eedd
256mb_x16_sdram_y36m_1.fm - Rev G 2/08 EN
Internal
States
Note:
Note:
COMMAND
INTERNAL
ADDRESS
COMMAND
ADDRESS
CLOCK
BANK m
For this example, CL = 2, BL = 4 or greater, and DQM is LOW.
DQM is LOW.
BANK n
CLK
CKE
DQ
CLK
DQ
T0
BANK,
COL n
READ
Page Active
T0
NOP
T1
READ - AP
BANK n,
NOP
Page Active
BANK n
COL a
T1
READ with Burst of 4
T2
NOP
CL = 3 (bank n)
T2
37
D
NOP
OUT
n
T3
READ - AP
BANK m,
T3
BANK m
COL d
Interrupt Burst, Precharge
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READ with Burst of 4
n + 1
D
OUT
T4
NOP
T4
CL = 3 (bank m)
NOP
256Mb: x16, x32 Mobile SDRAM
D
OUT
a
t
RP - BANK n
T5
NOP
T5
n + 2
D
NOP
OUT
D
a + 1
OUT
DON’T CARE
T6
NOP
T6
D
n + 3
NOP
OUT
©2006 Micron Technology, Inc. All rights reserved
D
OUT
d
DON’T CARE
Idle
T7
NOP
t RP - BANK m
Precharge
D
d + 1
OUT
Operations