参数资料
型号: W9751G6KB-25
厂商: Winbond Electronics
文件页数: 77/87页
文件大小: 0K
描述: IC DDR2 SDRAM 512MBIT 84WBGA
标准包装: 209
格式 - 存储器: RAM
存储器类型: DDR2 SDRAM
存储容量: 512M(32Mx16)
速度: 2.5ns
接口: 并联
电源电压: 1.7 V ~ 1.9 V
工作温度: 0°C ~ 85°C
封装/外壳: 84-TFBGA
供应商设备封装: 84-WBGA(8x12.5)
包装: 托盘
W9751G6KB
11.15 Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=4,
t RTP ≤ 2clks)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK/CLK
CMD
Post CAS
READ A
NOP
NOP
Precharge
NOP
NOP
NOP
Bank A
Activate
NOP
DQS,
DQS
AL+BL/2 clks
≥ t RP
AL = 1
RL = 4
CL = 3
DQ's
Dout
A0
Dout
A1
Dout
A2
Dout
A3
≥ t RAS
≥ t RTP
11.16 Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=8,
t RTP ≤ 2clks)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK/CLK
CMD
Post CAS
READ A
NOP
NOP
NOP
NOP
Precharge
NOP
NOP
NOP
AL + BL/2 clks
DQS,
DQS
AL = 1
CL = 3
DQ's
RL = 4
Dout
A0
Dout
A1
Dout
A2
Dout
A3
Dout
A4
Dout
A5
Dout
A6
Dout
A7
≥ t RTP
first 4-bit prefetch
second 4-bit prefetch
Publication Release Date: Sep. 03, 2012
- 77 -
Revision A04
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