mt48lc2m32b2 Micron Semiconductor Products, mt48lc2m32b2 Datasheet - Page 27

• Manufacturer Part Number: mt48lc2m32b2
• Description: Synchronous Dram
• Manufacturer: Micron Semiconductor Products

Figure 14:
PDF: 09005aef811ce1fe/Source: 09005aef811ce1d5
64MSDRAMx32_2.fm - Rev. J 12/08 EN
READ-to-PRECHARGE
Note:
COMMAND
COMMAND
COMMAND
ADDRESS
ADDRESS
ADDRESS
DQM is LOW.
CLK
CLK
CLK
DQ
DQ
DQ
BANK a,
BANK a,
BANK a,
COL n
COL n
COL n
T0
T0
T0
READ
READ
READ
CL = 1
CL = 2
T1
T1
T1
NOP
NOP
NOP
D
OUT
CL = 3
n
27
T2
T2
T2
NOP
NOP
NOP
D
D
n + 1
OUT
OUT
n
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T3
T3
T3
NOP
NOP
NOP
D
n + 2
D
D
n + 1
OUT
OUT
OUT
n
PRECHARGE
PRECHARGE
PRECHARGE
(a or all)
(a or all)
(a or all)
BANK
BANK
BANK
T4
T4
T4
X = 0 cycles
X = 1 cycle
D
n + 3
D
n + 2
D
n + 1
OUT
OUT
OUT
X = 2 cycles
T5
T5
T5
NOP
NOP
NOP
D
n + 3
D
n + 2
OUT
OUT
t RP
t RP
t RP
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64Mb: x32 SDRAM
T6
T6
T6
NOP
NOP
NOP
D
n + 3
OUT
DON’T CARE
Commands
BANK a,
BANK a,
BANK a,
ACTIVE
ACTIVE
ACTIVE
T7
T7
T7
ROW
ROW
ROW