W9751G6JB-3 Winbond, W9751G6JB-3 Datasheet - Page 80

• Manufacturer Part Number: W9751G6JB-3
• Manufacturer: Winbond
• Type: DDR2 SDRAMr

Specifications of W9751G6JB-3

• Organization: 32Mx16
• Density: 512Mb
• Address Bus: 14b
• Access Time (max): 450ps
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: WBGA
• Operating Temp Range: 0C to 85C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 150mA
• Pin Count: 84
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

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: Jun. 18, 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 A03
T8
T8
Activate
Bank A
RTP
NOP
>