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參數(shù)資料
| 型號(hào)： | MT49H32M9C |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | 288Mb SIO REDUCED LATENCY(RLDRAM II) |
| 中文描述： | 288Mb二氧化硅約化延遲（延遲DRAM二） |
| 文件頁數(shù)： | 27/44頁 |
| 文件大?。?/td> | 1117K |
| 代理商： | MT49H32M9C |
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16 MEG x 18, 32 MEG x 9
2.5V V
EXT
, 1.8V V
DD
, HSTL, SIO, RLDRAM II
pdf: 09005aef80a41b59/zip: 09005aef811ba111
MT49H8M18C_2.fm - Rev. F 11/04 EN
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2004 Micron Technology, Inc. All rights reserved.
27
AUTO REFRESH Command (AREF)
AREF is used to perform a refresh cycle on one row
in a specific bank. The row addresses are generated by
an internal refresh counter for each bank; external
address balls are “Don’t Care.” The delay between the
AREF command and a subsequent command to the
same bank must be at least
t
RC.
Within a period of 32ms (
t
REF), the entire memory
must be refreshed. Figure 27 illustrates an example of a
continuous refresh sequence. Other refresh strategies,
such as burst refresh, are also possible.
Figure 26: AUTO REFRESH Command
NOTE:
BA: Bank address.
Figure 27: AUTO REFRESH Cycle
NOTE:
1. AC
x
: Any command on bank
x
ARF
x
: Auto Refresh bank
x
ACy: Any command on different bank
2.
t
RC is configuration-dependent. Refer to Table 8, RLDRAM Configuration Table, on page 17.
CK#
CK
WE#
REF#
CS#
BA
A(20:0)
BA(2:0)
CK#
CK
CMD
t
RC
ARF
x
AC
y
AC
x
AC
y
ARF
x
AC
y
DON’T CARE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT49H32M9CFM-xx | 288Mb SIO REDUCED LATENCY(RLDRAM II) |
| MT4C1004J | 4 Meg x 1 FPM DRAM(4 M x 1快速頁面模式動(dòng)態(tài)RAM) |
| MT4C4001STG-6 | standard or self refresh |
| MT4C4001STG-7 | standard or self refresh |
| MT4C4001STG-8 | standard or self refresh |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT49H32M9CFM-25 | 制造商:Micron Technology Inc 功能描述:DRAM CHIP RLDRAM 288MBIT 1.8V 144FBGA - Trays |
| MT49H32M9CFM-33 | 制造商:Micron Technology Inc 功能描述:DRAM CHIP RLDRAM 288MBIT 1.8V 144FBGA - Trays |
| MT49H32M9CFM-5 | 制造商:Micron Technology Inc 功能描述:DRAM CHIP RLDRAM 288MBIT 1.8V 144FBGA - Tape and Reel |
| MT49H32M9CFM-XX | 制造商:MICRON 制造商全稱:Micron Technology 功能描述:288Mb SIO REDUCED LATENCY(RLDRAM II) |
| MT49H32M9CHU-25 | 制造商:Micron Technology Inc 功能描述:DRAM CHIP RLDRAM 288MBIT 1.8V 144FBGA - Trays |
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