mt48h16m16lfbf-75 Micron Semiconductor Products, mt48h16m16lfbf-75 Datasheet - Page 70

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

Figure 50: Alternating Bank Write Accesses
PDF:09005aef8219eeeb/Source: 09005aef8219eedd
256mb_x16_sdram_y36m_1.fm - Rev G 2/08 EN
COMMAND
BA0, BA1
ADDR
DQM
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
BANK 0
ROW
ROW
T0
t CKH
t CMH
t AH
t AH
t AH
t RCD - bank 0
t RAS - bank 0
t
t
RC - bank 0
RRD
Notes:
t CK
T1
NOP
1. For this example, BL = 4.
ENABLE AUTO PRECHARGE
t CMS
t CL
COLUMN m
t DS
BANK 0
T2
WRITE
D
IN
t CMH
t DH
t CH
m
t DS
D
T3
IN
NOP
m + 1
t DH
t DS
D
BANK 1
ACTIVE
ROW
ROW
T4
IN
m + 2
t DH
70
t RCD - bank 1
t DS
D
T5
IN
NOP
m + 3
t DH
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t WR - bank 0
ENABLE AUTO PRECHARGE
COLUMN b 2
t DS
BANK 1
WRITE
T6
256Mb: x16, x32 Mobile SDRAM
D
IN
t DH
b
t DS
D
T7
NOP
IN
b + 1
t DH
t RP - bank 0
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t DS
D
Timing Diagrams
T8
NOP
IN
b + 2
t DH
t DS
D
BANK 0
T9
ACTIVE
ROW
ROW
IN
m + 3
t RCD - bank 0
t WR - bank 1
t DH
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