W9725G6JB-25 Winbond Electronics, W9725G6JB-25 Datasheet - Page 75

• Manufacturer Part Number: W9725G6JB-25
• Description: IC DDR2-800 SDRAM 256MB 84WBGA
• Manufacturer: Winbond Electronics

Specifications of W9725G6JB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 256M (16Mx16)
• 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

10.15 Write operation with Data Mask: WL=3, AL=0, BL=4)
DQS/DQS
Data Mask Timing
Case 1: min t
DQS/DQS
Case 2: max t
DQS/
DQS
DQ
DM
CLK
CLK
CMDMAND
DQ
DM
DQ
DM
DQSS
DQSS
Write
WL + t
WL + t
V
V
t
IH(ac)
IL(ac)
DS
DQSS (min)
DQSS (max)
V
V
t
IH(dc)
IL(dc)
DH
V
V
t
IH(ac)
IL(ac)
DS
V
V
t
IH(dc)
IL(dc)
DH
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Publication Release Date: Mar. 10, 2010
W9725G6JB
t
WR
Revision A01