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: 10/60页
文件大小: 1160K
代理商: W947D6HBHX6E
W947D6HB / W947D2HB
128Mb Mobile LPDDR
Publication Release Date:Jun,17, 2011
- 18 -
Revision A01-003
6.7.2 Status Register Read Timing Diagram
CMD
NOP
MRS
READ
CL=3
0
0 1
tRP
tSRR
tSRC
DQ:Reg out
=Don’t Care
PCHA, or PCH
CK
Command
BA1,BA0
An – A0
DQS
DQ
Notes :
1. SRR can only be issued after power-up sequence is complete.
2. SRR can only be issued with all banks precharged.
3. SRR CL is unchanged from value in the mode register.
4. SRR BL is fixed at 2.
5. tSRR = 2 (min).
6. tSRC = CL + 1; (min time between read to next valid command)
7. No commands other than NOP and DES are allowed between the SRR and the READ.
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相关代理商/技术参数
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