参数资料
型号: MT46V4M32
厂商: Micron Technology, Inc.
英文描述: DOUBLE DATA RATE DDR SDRAM
中文描述: 双倍数据速率的DDR SDRAM内存
文件页数: 31/66页
文件大小: 1921K
代理商: MT46V4M32
31
128Mb: x32 DDR SDRAM
4M32DDR_B.p65 – Rev. B, Pub. 7/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
128Mb: x32
DDR SDRAM
ADVANCE
Figure 21
WRITE to READ – Odd Number of Data, Interrupting
t
DQSS (NOM)
CK
CK#
COMMAND
WRITE
NOP
NOP
NOP
NOP
NOP
ADDRESS
Bank
a
,
Col
b
Bank
a
,
Col
n
READ
T0
T1
T2
T3
T2n
T4
T5
NOTE
: 1. DI
b
= data-in for column
b
.
2. An interrupted burst of 4 is shown; one data element is written.
3.tWTR is referenced from the first positive CK edge after the last desired data-in pair (not the last two data elements).
4. A8 is LOW with the WRITE command (auto precharge is disabled).
5. DQS is required at T1n, T2, and T2n (nominal case) to register DM.
6. If the burst of 8 was used, DM would not be required at T3-T4n because the READ command would mask the last
four data elements.
T1n
T6
T6n
T5n
t
WTR
CL = 2
DQ
DQS
DM
DI
b
DI
n
t
DQSS (MIN)
CL = 2
DQ
DQS
DM
DI
b
DI
n
t
DQSS (MAX)
CL = 2
DQ
DQS
DM
DI
b
DI
n
DON T CARE
TRANSITIONING DATA
t
DQSS
t
DQSS
t
DQSS
相关PDF资料
PDF描述
MT46V4M32LG I.MX31 LITE KIT
MT46V64M4 16 Meg x 4 x 4 banks DDR SDRAM(16M x 4 x 4组,双数据速率同步动态RAM)
MT46V64M8 16 Meg x 8 x 4 banks DDR SDRAM(16M x 8 x 4组,双数据速率同步动态RAM)
MT48LC16M8A1TG SYNCHRONOUS DRAM
MT48LC32M4A1 ECONOLINE: RSZ/P - 1kVDC
相关代理商/技术参数
参数描述
MT46V4M32LG 制造商:MICRON 制造商全称:Micron Technology 功能描述:DOUBLE DATA RATE DDR SDRAM
MT46V64M16 制造商:MICRON 制造商全称:Micron Technology 功能描述:DOUBLE DATA RATE (DDR) SDRAM