MT48LC16M8A2TG-75AT:G Micron Technology Inc, MT48LC16M8A2TG-75AT:G Datasheet - Page 29
MT48LC16M8A2TG-75AT:G
Manufacturer Part Number
MT48LC16M8A2TG-75AT:G
Description
Manufacturer
Micron Technology Inc
Datasheet
1.MT48LC16M8A2TG-75ATG.pdf
(74 pages)
Specifications of MT48LC16M8A2TG-75AT:G
Lead Free Status / Rohs Status
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Figure 15:
Figure 16:
PDF: 09005aef8091e66d/Source: 09005aef8091e625
128MSDRAM_2.fm - Rev. N 1/09 EN
READ-to-WRITE
READ-to-WRITE with Extra Clock Cycle
Notes:
Notes:
The DQM signal must be de-asserted prior to the WRITE command (DQM latency is
zero clocks for input buffers) to ensure that the written data is not masked. Figure 15
shows the case where the clock frequency allows for bus contention to be avoided
without adding a NOP cycle, and Figure 16 shows the case where the additional NOP is
needed.
COMMAND
1. CL = 3 is used for illustration. The READ command may be to any bank, and the WRITE com-
COMMAND
1. CL = 3 is used for illustration. The READ command may be to any bank, and the WRITE com-
A fixed-length READ burst may be followed by, or truncated with, a PRECHARGE
command to the same bank (provided that auto precharge was not activated), and a full-
page burst may be truncated with a PRECHARGE command to the same bank. The
PRECHARGE command should be issued x cycles before the clock edge at which the last
ADDRESS
ADDRESS
mand may be to any bank. If a burst of 1 is used, then DQM is not required.
mand may be to any bank.
DQM
DQM
CLK
CLK
DQ
DQ
BANK,
COL n
T0
T0
BANK,
READ
COL n
READ
TRANSITIONING DATA
T1
T1
NOP
NOP
29
T2
T2
TRANSITIONING DATA
NOP
NOP
Micron Technology, Inc., reserves the right to change products or specifications without notice.
T3
T3
NOP
NOP
D
OUT
t HZ
t HZ
D
OUT
t CK
n
n
DON’T CARE
T4
T4
BANK,
COL b
WRITE
NOP
D
IN
b
t
128Mb: x4, x8, x16 SDRAM
DS
DON’T CARE
T5
BANK,
COL b
WRITE
D
IN
b
t
©1999 Micron Technology, Inc. All rights reserved.
DS
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