参数资料
型号: W947D6HBHX6E
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 8M X 16 DDR DRAM, 5 ns, PBGA60
封装: 8 X 9 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-60
文件页数: 16/60页
文件大小: 1160K
代理商: W947D6HBHX6E
W947D6HB / W947D2HB
128Mb Mobile LPDDR
Publication Release Date:Jun,17, 2011
- 23 -
Revision A01-003
Accessing Mode Register: Starts with registration of a MODE REGISTER SET command and ends when tMRD has been
met.
Once tMRD is met, the LPDDR will be in an all banks idle state.
Precharging All: Starts with the registration of a PRECHARGE ALL command and ends when tRP is met. Once tRP is met,
the bank will be in the idle state.
10.
Not bank-specific; requires that all banks are idle and no bursts are in progress.
11.
Not bank-specific. BURST TERMINATE affects the most recent READ burst, regardless of bank.
12.
Requires appropriate DM masking.
13.
A WRITE command may be applied after the completion of the READ burst; otherwise, a BURST TERMINATE must be
used to end the READ prior to asserting a WRITE command.
6.11.6 Truth Table - Current State BANKn, Command to BANKn
CURRENT
STATE
CS
RAS
CAS
WE
COMMAND
ACTION
NOTES
Any
H
X
DESELECT
NOP or Continue previous Operation
L
H
NOP
NOP or Continue previous Operation
Idle
X
ANY
Any command allowed to bank m
Row Activating,
Active, or
Precharging
L
H
ACTIVE
Select and activate row
L
H
L
H
READ
Select column & start read burst
8
L
H
L
WRITE
Select column & start write burst
8
L
H
L
PRECHARGE
Precharge
Read with Auto
Precharge
disabled
L
H
ACTIVE
Select and activate row
L
H
L
H
READ
Select column & start new read burst
8
L
H
L
WRITE
Select column & start write burst
8,10
L
H
L
PRECHARGE
Precharge
Write with Auto
Precharge
disabled
L
H
ACTIVE
Select and activate row
L
H
L
H
READ
Select column & start read burst
8, 9
L
H
L
WRITE
Select column & start new write burst
8
L
H
L
PRECHARGE
Precharge
Read with Auto
Precharge
L
H
ACTIVE
Select and activate row
L
H
L
H
READ
Select column & start new read burst
5, 8
L
H
L
WRITE
Select column & start write burst
5, 8, 10
L
H
L
PRECHARGE
Precharge
Write with Auto
Precharge
L
H
ACTIVE
Select and activate row
L
H
L
H
READ
Select column & start read burst
5, 8
L
H
L
WRITE
Select column & start new write burst
5, 8
L
H
L
PRECHARGE
Precharge
相关PDF资料
PDF描述
W9602BB PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED
W9605BB PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED
W9606BB PUSHBUTTON SWITCH, SPDT, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED
W9712G8JB-3 DDR DRAM, PBGA60
W971GG6IB-25 32M X 16 DDR DRAM, 0.4 ns, PBGA84
相关代理商/技术参数
参数描述
W947D6HBHX6G 制造商:WINBOND 制造商全称:Winbond 功能描述:128Mb Mobile LPDDR
W948D2FB 制造商:WINBOND 制造商全称:Winbond 功能描述:256Mb Mobile LPDDR
W948D2FBJX5E 功能描述:IC LPDDR SDRAM 256MBIT 90VFBGA RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:4G(256M x 16) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP I 包装:Digi-Reel® 其它名称:557-1461-6
W948D2FBJX5ETR 制造商:Winbond Electronics Corp 功能描述:256M MDDR, X32, 200MHZ
W948D2FBJX5I 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 8Mx32 1.8V 90-Pin VFBGA 制造商:Winbond Electronics Corp 功能描述:IC MEMORY