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參數(shù)資料
| 型號： | W947D6HBHX6E |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 8M X 16 DDR DRAM, 5 ns, PBGA60 |
| 封裝： | 8 X 9 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-60 |
| 文件頁數(shù)： | 8/60頁 |
| 文件大?。?/td> | 1160K |
| 代理商： | W947D6HBHX6E |
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W947D6HB / W947D2HB
128Mb Mobile LPDDR
Publication Release Date:Jun,17, 2011
- 16 -
Revision A01-003
6.6.1 Extended Mode Register Definition
Extended Mode Reg.
Address Bus
A0
A1
A2
A3
A4
A5
A7 ~
An....A8 (1)
BA0
BA1
1
0
0 ( 2)
DS
Reserved
PASR
A6
A5
Drive Strength
0
1
0
Full Strength Driver
Half Strength Drive
Quarter Strength Driver
A2
A1
A0
PASR
0
1
All banks
1/2 array (BA1=0)
1/4 array (BA1=BA0=0)
Reserved
NOTES:
1.MSB depends on mobile DDR SDRAM density.
2.A logic 0 should be programmed to all unused / undefined bits to ensure future compatibility.
Octant Strength Driver
A7
0
1
0
Three-Quarters Strength Driver
6.7 Status Register Read
Status Register Read (SRR) is an optional feature in JEDEC, and it is implemented in this device. With SRR, a
method is defined to read registers from the device. The encoding for an SRR command is the same as a MRS with
BA[1:0]=”01”. The address pins (A[n:0]) encode which register is to be read. Currently only one register is defined at
A[n:0]=0. The sequence to perform an SRR command is as follows:
All reads/writes must be completed
All banks must be closed
MRS with BA=01 is issued (SRR)
Wait tSRR
Read issued to any bank/page
CAS latency cycles later the device returns the registers data as it would a normal read
The next command to the device can be issued tSRC after the Read command was issued.
The burst length for the SRR read is always fixed to length 2.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W947D6HBHX6G | 制造商:WINBOND 制造商全稱:Winbond 功能描述:128Mb Mobile LPDDR |
| W948D2FB | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256Mb Mobile LPDDR |
| W948D2FBJX5E | 功能描述:IC LPDDR SDRAM 256MBIT 90VFBGA RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1 系列:- 格式 - 存儲器:閃存 存儲器類型:閃存 - NAND 存儲容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱: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 |
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