参数资料
型号: MT46V64M4
厂商: Micron Technology, Inc.
英文描述: 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)
中文描述: 16梅格× 4 × 4银行DDR SDRAM内存(1,600 × 4 × 4组,双数据速率同步动态RAM)的
文件页数: 25/69页
文件大小: 2410K
代理商: MT46V64M4
25
256Mb: x4, x8, x16 DDR SDRAM
256Mx4x8x16DDR_B.p65
Rev. B; Pub. 7/00
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2000, Micron Technology, Inc.
256Mb: x4, x8, x16
DDR SDRAM
ADVANCE
Figure 13
READ to PRECHARGE
CK
CK#
COMMAND
6
READ
NOP
PRE
NOP
NOP
ACT
ADDRESS
Bank
a
,
Col
n
Bank
a
,
(
a
or
all
)
Bank
a
,
Row
READ
NOP
PRE
NOP
NOP
ACT
Bank
a
,
Col
n
CL = 2
tRP
tRP
NOTE
: 1. DO
n
= data-out from column
n
.
2. Burst length = 4, or an interrupted burst of 8.
3. Three subsequent elements of data-out appear in the programmed order following DO
n
.
4. Shown with nominal tAC, tDQSCK, and tDQSQ.
5. READ to PRECHARGE equals two clocks, which allows two data pairs of data-out.
6. PRE = PRECHARGE command; ACT = ACTIVE command.
CK
CK#
COMMAND
6
ADDRESS
DQ
DQS
CL = 2.5
DQ
DQS
DO
n
DO
n
T0
T1
T2
T3
T2n
T3n
T4
T5
T0
T1
T2
T3
T2n
T3n
T4
T5
Bank
a
,
(
a
or
all
)
Bank
a
,
Row
DON
T CARE
TRANSITIONING DATA
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参数描述
MT46V64M4_1 制造商:MICRON 制造商全称:Micron Technology 功能描述:Double Data Rate (DDR) SDRAM