参数资料
型号: MT48H32M16LFB4-75B IT:C
厂商: Micron Technology Inc
文件页数: 77/85页
文件大小: 0K
描述: IC SDRAM 512MB 54VFBGA
标准包装: 1,000
格式 - 存储器: RAM
存储器类型: 移动 SDRAM
存储容量: 512M(32Mx16)
速度: 133MHz
接口: 并联
电源电压: 1.7 V ~ 1.95 V
工作温度: -40°C ~ 85°C
封装/外壳: 54-VFBGA
供应商设备封装: 54-VFBGA(8x8)
包装: 散装
512Mb: 32 Meg x 16, 16 Meg x 32 Mobile SDRAM
AUTO REFRESH Operation
Figure 47: Auto Refresh Mode
CLK
T0
tCK
T1
T2
tCH
( (
) )
( (
) )
Tn + 1
tCL
( (
) )
( (
) )
To + 1
CKE
tCKS
tCKH
( (
) )
( (
) )
Command
tCMS tCM H
PRECHARGE
NOP
AUTO
REFRESH
NOP
( (
) )
( ( NOP
) )
AUTO
REFRESH
NOP
( (
) )
( ( NOP
) )
ACTIVE
DQM
( (
) )
( (
) )
( (
) )
( (
) )
Address
( (
) )
( (
) )
( (
) )
( (
) )
Row
A10
All banks
Single bank
( (
) )
( (
) )
( (
) )
( (
) )
Row
t AS
tAH
BA0, BA1
Bank(s)
( (
) )
( (
) )
( (
) )
( (
) )
Bank
DQ High-Z
tRP
tRFC
( (
) )
tRFC
( (
) )
Precharge all
active banks
Note:
1. Back-to-back AUTO REFRESH commands are not required.
Don’t Care
PDF: 09005aef8459c827
512mb_mobile_sdram_y67m_at.pdf – Rev. B 3/11 EN
77
Micron Technology, Inc. reserves the right to change products or specifications without notice.
? 2011 Micron Technology, Inc. All rights reserved.
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