参数资料
型号: MT46H128M32L4MA-54:A
元件分类: DRAM
英文描述: 128M X 32 DDR DRAM, 5 ns, PBGA168
封装: 12 X 12 MM, GREEN, PLASTIC, WFBGA-168
文件页数: 61/106页
文件大小: 3431K
Figure 24: Initialize and Load Mode Registers
CKE
LVCMOS
HIGH LEVEL
DQ
BA0, BA1
Load standard
mode register
Load extended
mode register
tMRD4
tRFC4
Power-up: VDD and CK stable
T = 200s
High-Z
DM
DQS
High-Z
Address
Row
A10
Row
CK
CK#
VDD
VDDQ
tCH
tCL
tCK
Command1
LMR
NOP
LMR
tIS tIH
BA0 = L,
BA1 = L
BA0 = L,
BA1 = H
Op-code
tIS tIH
Op-code
PRE
All banks
T0
T1
Ta0
Tb0
Tc0
Td0
Te0
Tf0
Don’t Care
Bank
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
tRP4
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
NOP2
AR
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
NOP3
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
ACT3
Notes: 1. PRE = PRECHARGE command; LMR = LOAD MODE REGISTER command; AR = AUTO RE-
FRESH command; ACT = ACTIVE command.
2. NOP or DESELECT commands are required for at least
200μs.
3. Other valid commands are possible.
4. NOPs or DESELECTs are required during this time.
2Gb: x16, x32 Mobile LPDDR SDRAM
Initialization
PDF: 09005aef83a73286
2gb_ddr_mobile_sdram_t69m.pdf - Rev. M 11/10 EN
58
Micron Technology, Inc. reserves the right to change products or specifications without notice.
2009 Micron Technology, Inc. All rights reserved.
相关PDF资料
PDF描述
MT46H128M32LFCM-5AT:A 128M X 32 DDR DRAM, 5 ns, PBGA90
MT46H128M32LFCM-5IT:A 128M X 32 DDR DRAM, 5 ns, PBGA90
MT46V128M4FN-75E:C 128M X 4 DDR DRAM, 0.75 ns, PBGA60
MT46V128M4P-75L:C 128M X 4 DDR DRAM, 0.75 ns, PDSO66
MT46V128M4P-75ZLIT:C 128M X 4 DDR DRAM, 0.75 ns, PDSO66
相关代理商/技术参数
参数描述
MT46H16M16 制造商:MICRON 制造商全称:Micron Technology 功能描述:Mobile Double Data Rate (DDR) SDRAM
MT46H16M16LF 制造商:MICRON 制造商全称:Micron Technology 功能描述:Mobile Double Data Rate (DDR) SDRAM