参数资料
型号: W9751G6IB-25
厂商: Winbond Electronics
文件页数: 3/86页
文件大小: 0K
描述: IC DDR2-800 SDRAM 512MB 84-WBGA
标准包装: 210
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
W9751G6IB
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
10.12
10.13
10.14
10.15
10.16
10.17
10.18
10.19
10.20
10.21
10.22
10.23
10.24
10.25
Command Input Timing.......................................................................................................................67
Timing of the CLK Signals...................................................................................................................67
ODT Timing for Active/Standby Mode.................................................................................................68
ODT Timing for Power Down Mode ....................................................................................................68
ODT Timing mode switch at entering power down mode ....................................................................69
ODT Timing mode switch at exiting power down mode ......................................................................70
Data output (read) timing ....................................................................................................................71
Burst read operation: RL=5 (AL=2, CL=3, BL=4) ................................................................................71
Data input (write) timing ......................................................................................................................72
Burst write operation: RL=5 (AL=2, CL=3, WL=4, BL=4)...........................................................72
Seamless burst read operation: RL = 5 ( AL = 2, and CL = 3, BL = 4) ......................................73
Seamless burst write operation: RL = 5 ( WL = 4, BL = 4).........................................................73
Burst read interrupt timing: RL =3 (CL=3, AL=0, BL=8) .............................................................74
Burst write interrupt timing: RL=3 (CL=3, AL=0, WL=2, BL=8) ..................................................74
Write operation with Data Mask: WL=3, AL=0, BL=4) ...............................................................75
Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=4, tRTP ≦ 2clks) .............76
Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=8, tRTP ≦ 2clks) .............76
Burst read operation followed by precharge: RL=5 (AL=2, CL=3, BL=4, tRTP ≦ 2clks) .............77
Burst read operation followed by precharge: RL=6 (AL=2, CL=4, BL=4, tRTP ≦ 2clks) .............77
Burst read operation followed by precharge: RL=4 (AL=0, CL=4, BL=8, tRTP>2clks) ..............78
Burst write operation followed by precharge: WL = (RL-1) = 3 ..................................................78
Burst write operation followed by precharge: WL = (RL-1) = 4 ..................................................79
Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=8, tRTP ≦ 2clks)................79
Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=4, tRTP>2clks) .................80
Burst read with Auto-precharge followed by an activation to the same bank (tRC Limit): RL=5
(AL=2, CL=3, internal tRCD=3, BL=4, tRTP ≦ 2clks) .......................................................................................80
10.26
Burst read with Auto-precharge followed by an activation to the same bank (tRP Limit): RL=5
(AL=2, CL=3, internal tRCD=3, BL=4, tRTP ≦ 2clks) .......................................................................................81
11.
10.27
10.28
10.29
10.30
10.31
10.32
Burst write with Auto-precharge (tRC Limit): WL=2, WR=2, BL=4, tRP=3.................................81
Burst write with Auto-precharge (WR + tRP Limit): WL=4, WR=2, BL=4, tRP=3 .......................82
Self Refresh Timing ...................................................................................................................82
Active Power Down Mode Entry and Exit Timing.......................................................................83
Precharged Power Down Mode Entry and Exit Timing ..............................................................83
Clock frequency change in precharge Power Down mode ........................................................84
PACKAGE SPECIFICATION ..............................................................................................................85
Package Outline WBGA-84 (10x12.5 mm 2 ).....................................................................................................85
12.
REVISION HISTORY ..........................................................................................................................86
Publication Release Date: Oct. 23, 2009
-3-
Revision A06
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