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MT48LC4M16A2P-75G 参数 Datasheet PDF下载

MT48LC4M16A2P-75G图片预览
型号: MT48LC4M16A2P-75G
PDF下载: 下载PDF文件 查看货源
内容描述: SDR SDRAM MT48LC16M4A2 â ????梅格4 ×4× 4银行MT48LC8M8A2 â ???? 2梅格×8× 4银行MT48LC4M16A2 â ???? 1梅格×16× 4银行 [SDR SDRAM MT48LC16M4A2 – 4 Meg x 4 x 4 Banks MT48LC8M8A2 – 2 Meg x 8 x 4 Banks MT48LC4M16A2 – 1 Meg x 16 x 4 Banks]
分类和应用: 动态存储器
文件页数/大小: 83 页 / 3595 K
品牌: MICRON [ MICRON TECHNOLOGY ]
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64Mb: x4, x8, x16 SDRAM  
Commands  
PRECHARGE  
The PRECHARGE command is used to deactivate the open row in a particular bank or  
the open row in all banks. The bank(s) will be available for a subsequent row access a  
specified time (tRP) after the PRECHARGE command is issued. Input A10 determines  
whether one or all banks are to be precharged, and in the case where only one bank is  
precharged, inputs BA0 and BA1 select the bank. Otherwise BA0 and BA1 are treated as  
“Don’t Care.” After a bank has been precharged, it is in the idle state and must be acti-  
vated prior to any READ or WRITE commands are issued to that bank.  
Figure 13: PRECHARGE Command  
CLK  
CKE HIGH  
CS#  
RAS#  
CAS#  
WE#  
Address  
A10  
All banks  
Bank selected  
Bank address  
BA0, BA1  
Valid address  
Don’t Care  
BURST TERMINATE  
The BURST TERMINATE command is used to truncate either fixed-length or continu-  
ous page bursts. The most recently registered READ or WRITE command prior to the  
BURST TERMINATE command is truncated.  
PDF: 09005aef80725c0b  
64mb_x4x8x16_sdram.pdf - Rev. U 05/13 EN  
Micron Technology, Inc. reserves the right to change products or specifications without notice.  
32  
© 1999 Micron Technology, Inc. All rights reserved.