参数资料
型号: MT48H8M16LFB4-75:K TR
厂商: Micron Technology Inc
文件页数: 59/63页
文件大小: 0K
描述: IC SDRAM 128MBIT 133MHZ 54VFBGA
标准包装: 1
格式 - 存储器: RAM
存储器类型: 移动 SDRAM
存储容量: 128M(8Mx16)
速度: 133MHz
接口: 并联
电源电压: 1.7 V ~ 1.95 V
工作温度: 0°C ~ 70°C
封装/外壳: 54-VFBGA
供应商设备封装: 54-VFBGA(8x8)
包装: 标准包装
其它名称: 557-1531-6
128Mb: x16 Mobile SDRAM
Timing Diagrams
Figure 45:
Single WRITE – Without Auto Precharge
CLK
T0
tCKS
tCKH
tCK
T1
tCL
T2
tCH
T3
T4
T5
T6
T7
T8
CKE
tCMS
tCMH
COMMAND
ACTIVE
NOP
WRITE
NOP 4
NOP 4
PRECHARGE
NOP
ACTIVE
NOP
tCMS tCMH
DQM
tA S
tAH
A0–A9, A11
ROW
COLUMN m 3
tA S
tAH
ALL BANKS
A10
ROW
ROW
tA S
tAH
DISABLE AUTO PRECHARGE
SINGLE BANK
BA0, BA1
BANK
BANK
BANK
BANK
DQ
t DS
tDH
D IN m
tRCD
t WR 2
tRP
tRAS
tRC
DON’T CARE
Notes:
1.
2.
3.
4.
For this example, BL = 1, and the WRITE burst is followed by a “manual” PRECHARGE.
15ns is required between <D IN m > and the PRECHARGE command, regardless of frequency.
A9 and A11 are “Don’t Care.”
PRECHARGE command not allowed or t RAS would be violated.
PDF: 09005aef8237e877/Source: 09005aef8237e8d8
128Mb_x16 Mobile SDRAM_Y25M_2.fm - Rev. C 2/07 EN
59
Micron Technology, Inc., reserves the right to change products or specifications without notice.
?2006 Micron Technology, Inc. All rights reserved.
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