参数资料
型号: W9725G8JB-25I
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: DDR DRAM, PBGA84
封装: 8 X 12.50 MM, ROHS COMPLIANT, WBGA-84
文件页数: 81/86页
文件大小: 1462K
代理商: W9725G8JB-25I
W9725G8JB
Publication Release Date: Oct. 12, 2010
- 82 -
Revision A01
10.28 Burst write with Auto-precharge (WR + tRP Limit): WL=4, WR=2, BL=4, tRP=3
≥ tRC
WL = RL - 1 = 4
≥ WR
tRP min.
NOP
Post CAS
WRA Bank A
Bank A
Activate
T0
T3
T4
T5
T6
T7
T8
T9
Completion of the Burst Write
Auto-precharge Begins
A10 = 1
CLK/CLK
CMD
DQS,
DQS
T11
DQ's
DIN
A0
DIN
A1
DIN
A2
DIN
A3
10.29 Self Refresh Timing
T0
T1
T2
T3
T4
T5
T6
Tm
Tn
Self
Refresh
NOP
Non-Read
Command
NOP
≥ tXSNR
≥ tXSRD
tIH
tIS
tIH
tIS
tRP
tIS
tAOFD
tCK
tCH
tCL
VIL(ac)
VIH(ac)
VIL(ac)
VIH(ac)
VIL(dc)
VIH(dc)
CLK
CMD
CKE
ODT
CLK
VIL(ac)
Read
Command
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