W9751G6JB-25 Winbond Electronics, W9751G6JB-25 Datasheet - Page 3

• Manufacturer Part Number: W9751G6JB-25
• Description: IC DDR2-800 SDRAM 512MB 84WBGA
• Manufacturer: Winbond Electronics

Specifications of W9751G6JB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 512M (32Mx16)
• Speed: 2.5ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 84-WBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q5606783

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(AL=2, CL=3, internal tRCD=3, BL=4, tRTP ≤ 2clks).......................................................................................80
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(AL=2, CL=3, internal tRCD=3, BL=4, tRTP ≤ 2clks).......................................................................................81
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Package Outline WBGA-84 (8x12.5 mm
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
PACKAGE SPECIFICATION ..............................................................................................................85
REVISION HISTORY ..........................................................................................................................86
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
Burst read with Auto-precharge followed by an activation to the same bank (tRP Limit): RL=5
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
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Publication Release Date: Aug. 03, 2010
W9751G6JB
Revision A04