mt48h4m16lf Micron Semiconductor Products, mt48h4m16lf Datasheet - Page 23

• Manufacturer Part Number: mt48h4m16lf
• Description: 64mb 4 Meg X 16 Mobile Sdram Features
• Manufacturer: Micron Semiconductor Products

Figure 14:
Figure 15:
PDF: 09005aef8237ed98/Source: 09005aef8237ed68
64mb_x16_Mobile SDRAM_Y24L_2.fm - Rev. C 10/07 EN
READ-to-PRECHARGE
Terminating a READ Burst
Note:
Note:
Command
Command
Command
Command
Address
Address
Address
Address
CLK
CLK
CLK
CLK
DQM is LOW.
DQM is LOW.
DQ
DQ
DQ
DQ
Bank a,
Bank a,
T0
T0
T0
Bank,
T0
Col n
Col n
Col n
READ
READ
Bank,
READ
READ
Col n
CL = 2
CL = 2
CL = 3
CL = 3
T1
T1
T1
T1
NOP
NOP
NOP
NOP
T2
T2
T2
T2
NOP
NOP
NOP
NOP
D
D
OUT
OUT
n
n
T3
T3
T3
T3
Transitioning Data
NOP
NOP
NOP
NOP
23
n + 1
D
n + 1
D
D
D
OUT
OUT
n
OUT
OUT
n
Transitioning Data
PRECHARGE
PRECHARGE
TERMINATE
TERMINATE
(a or all)
(a or all)
T4
T4
T4
BURST
T4
BURST
Bank
Bank
X = 1 cycle
X = 1 cycle
n + 2
n + 2
D
D
n + 1
n + 1
D
D
OUT
OUT
OUT
OUT
Micron Technology, Inc., reserves the right to change products or specifications without notice.
X = 2 cycles
X = 2 cycles
T5
T5
T5
T5
NOP
NOP
NOP
NOP
n + 3
n + 2
n + 3
n + 2
D
D
D
D
OUT
OUT
OUT
OUT
64Mb: 4 Meg x 16 Mobile SDRAM
t RP
t RP
T6
T6
T6
T6
NOP
NOP
NOP
NOP
n + 3
n + 3
D
D
OUT
OUT
Don’t Care
Don’t Care
Bank a,
Bank a,
ACTIVE
ACTIVE
T7
T7
T7
NOP
Row
Row
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Operations