MT48H16M32LFCJ-75 MICRON [Micron Technology], MT48H16M32LFCJ-75 Datasheet - Page 24
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MT48H16M32LFCJ-75
Manufacturer Part Number
MT48H16M32LFCJ-75
Description
512Mb: 32 Meg x 16, 16 Meg x 32 Mobile SDRAM
Manufacturer
MICRON [Micron Technology]
Datasheet
1.MT48H16M32LFCJ-75.pdf
(73 pages)
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Figure 11:
PDF: 09005aef81ca5de4/Source: 09005aef81ca5e03
MT48H32M16LF_1.fm - Rev. H 6/07 EN
READ Command
Notes:
A9, A11, A12
1. EN AP = enable auto precharge
Upon completion of a burst, assuming no other commands have been initiated, the DQs
will go High-Z.
Data from any READ burst may be truncated with a subsequent READ command, and
data from a fixed-length READ burst may be immediately followed by data from a READ
command. In either case, a continuous flow of data can be maintained. The first data
element from the new burst follows either the last element of a completed burst or the
last desired data element of a longer burst that is being truncated. The new READ
command should be issued x cycles before the clock edge at which the last desired data
element is valid, where x = CL -1.
Figure 7 on page 16 shows CLs of two and three; data element n + 3 is either the last of a
burst of four or the last desired of a longer burst. The 512Mb SDRAM uses a pipelined
architecture and therefore does not require the 2n rule associated with a prefetch archi-
tecture. A READ command can be initiated on any clock cycle following a previous
READ command. Full-speed random read accesses can be performed to the same bank,
as shown in Figure 12 on page 25, or each subsequent READ may be performed to a
different bank.
BA0, BA1
DIS AP = disable auto precharge
A0–A8
CAS#
A10
RAS#
WE#
CKE
CLK
CS#
1
HIGH
512Mb: 32 Meg x 16, 16 Meg x 32 Mobile SDRAM
COLUMN
ADDRESS
ADDRESS
DIS AP
EN AP
BANK
24
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2005 Micron Technology, Inc. All rights reserved.
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