參數(shù)資料
型號(hào)： W947D6HBHX5E
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(yè)數(shù)： 25/60頁(yè)
文件大?。?/td> 1160K
代理商： W947D6HBHX5E
W947D6HB / W947D2HB
128Mb Mobile LPDDR
Publication Release Date:Jun,17, 2011
- 31 -
Revision A01-003
7.5.7 Random Read Bursts
Full-speed random read accesses within a page or pages can be performed as shown in following figure.
CL=2
DO n
= Don't Care
BA,Col n
READ
NOP
CK
Command
Address
DQS
DQ
DQS
DQ
1) DO n ,etc. = Data Out from column n, etc.
nI, xI, etc. = Data Out elements, according to the programmed burst order
2) BA, Col n = Bank A, Column n
3) Burst Length=2,4,8 or 16 in cases shown (if burst of 4,8 or 16, the burst is interrupted)
4) Reads are to active rows in any banks
BA,Col b
CL=3
BA,Col x
READ
BA,Col g
DO nI
DO xI
DO x
DO b
DO g
DO bI
DO gI
DO bI
DO b
DO xI
DO x
DO nI
7.5.8 Read Burst Terminate
Data from any READ burst may be truncated with a BURST TERMINATE
command, as shown in figure. The
BURST TERMINATE latency is equal to the read (CAS) latency, i.e., the BURST TERMINATE command should be
issued X cycles after the READ command where X equals the desired data-out element pairs.
CL=2
= Don't Care
BA,Col n
READ
NOP
CK
Command
Address
DQS
DQ
DQS
DQ
1) DO n = Data Out from column n
2) BA,Col n = Bank A, Column n
3) Cases shown are bursts of 4,8 or 16 terminated after 2 data elements.
4) Shown with nominal tAC, tDQSCK and tDQSQ
CL=3
BST
NOP
相關(guān)PDF資料
PDF描述
WS57C256F-70LMB 32K X 8 UVPROM, 70 ns, CQCC32
WMS128K8C-120FEIEA 128K X 8 STANDARD SRAM, 120 ns, CDFP32
WMS128K8L-100FEIE 128K X 8 STANDARD SRAM, 100 ns, CDFP32
WMS128K8L-120FECEA 128K X 8 STANDARD SRAM, 120 ns, CDFP32
WMS128K8L-120DRIEA 128K X 8 STANDARD SRAM, 120 ns, CDSO32
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W947D6HBHX5I 制造商:WINBOND 制造商全稱:Winbond 功能描述:128Mb Mobile LPDDR
W947D6HBHX5I TR 制造商:Winbond Electronics Corp 功能描述:
W947D6HBHX6E 制造商:Winbond Electronics Corp 功能描述:IC LPDDR SDRAM 128MBIT 60VFBGA
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
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