W971GG6JB-25 Winbond Electronics, W971GG6JB-25 Datasheet - Page 81

• Manufacturer Part Number: W971GG6JB-25
• Description: IC DDR2-800 SDRAM 1GB 84-WBGA
• Manufacturer: Winbond Electronics

Specifications of W971GG6JB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 1G (64M x 16)
• 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: Q5804012

10.23 Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=4, t
10.24 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
Limit): RL=5 (AL=2, CL=3, internal t
READA
T0
Post CAS
A10 = 1
READA
A10 = 1
4-bit prefetch
AL = 1
AL = 2
T1
T1
NOP
NOP
RL = 4
≥ t
RAS min.
≥ AL + t
T2
T2
t
(AL + BL/2)
NOP
RTP
NOP
RTP
CL = 3
+ t
RP
RL = 5
T3
T3
NOP
NOP
CL = 3
Precharge begins here
Auto-precharge begins
- 81 -
t
RC min.
T4
T4
NOP
NOP
Dout
A0
RCD
Dout
A1
=3, BL=4, t
T5
T5
t
RP
NOP
NOP
Dout
Dout
A2
Publication Release Date: Mar. 28, 2011
A0
Dout
Dout
A3
A1
≥ t
T6
T6
RP
RTP
NOP
NOP
Dout
A2
≤ 2clks)
W971GG6JB
Dout
A3
T7
T7
Activate
Bank A
NOP
Revision A07
T8
T8
Activate
Bank A
RTP
NOP
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