W9751G6JB-25 Winbond Electronics, W9751G6JB-25 Datasheet - Page 80

• 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

10.24 Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=4, t
10.25 Burst read with Auto-precharge followed by an activation to the same bank
CLK/CLK
CLK/CLK
DQ's
CMD
DQS,
DQS
DQ's
CMD
DQS,
DQS
2clks)
(t
RC
T0
Post CAS
READA
T0
Post CAS
A10 = 1
Limit): RL=5 (AL=2, CL=3, internal t
READA
A10 = 1
4-bit prefetch
AL = 1
AL = 2
T1
T1
NOP
NOP
RL = 4
≥ t
RAS min.
≥ AL + t
T2
T2
t
NOP
(AL + BL/2)
RTP
RTP
NOP
CL = 3
+ t
RP
RL = 5
T3
T3
NOP
Precharge begins here
NOP
CL = 3
Auto-precharge begins
- 80 -
t
RC min.
T4
T4
NOP
NOP
Dout
A0
RCD
Dout
A1
=3, BL=4, t
T5
t
T5
RP
NOP
NOP
Dout
Dout
A2
A0
Publication Release Date: Aug. 03, 2010
Dout
Dout
A3
A1
≥ t
T6
T6
RTP
RP
NOP
NOP
Dout
A2
≤ 2clks)
Dout
W9751G6JB
A3
T7
T7
Activate
Bank A
NOP
Revision A04
T8
T8
Activate
Bank A
RTP
NOP
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