W9725G6JB-25 Winbond Electronics, W9725G6JB-25 Datasheet - Page 71

• 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

10.7 Data output (read) timing
10.8 Burst read operation: RL=5 (AL=2, CL=3, BL=4)
CLK/CLK
CMD
DQS,
DQS
DQ's
CLK
CLK
DQS
DQS
DQ
Posted CAS
T0
READ A
T1
NOP
NOP
AL = 2
DQS
DQS
t
CH
t
T2
RPRE
NOP
NOP
RL = 5
t
t
CL
DQSmax
T3
NOP
NOP
CL = 3
t
QH
- 71 -
Q
T4
NOP
NOP
T5
Q
NOP
NOP
Dout
A0
Publication Release Date: Mar. 10, 2010
≤ t
DQSCK
Dout
A1
T6
Q
NOP
NOP
t
DQSmax
Dout
A2
Dout
A3
W9725G6JB
T7
NOP
NOP
t
t
QH
RPST
Q
Revision A01
T8
NOP
NOP