W971GG6JB-25 Winbond Electronics, W971GG6JB-25 Datasheet - Page 77

• 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

10.15 Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=4, t
10.16 Burst read operation followed by precharge: RL=4 (AL=1, CL=3, BL=8, t
CLK/CLK
CLK/CLK
CMD
DQS,
DQS
DQ's
≤ 2clks)
CMD
DQS,
DQS
DQ's
≤ 2clks)
first 4-bit prefetch
T0
Post CAS
READ A
Post CAS
T0
READ A
AL = 1
AL = 1
T1
T1
NOP
NOP
≥ t
≥ t
RL = 4
RAS
RTP
second 4-bit prefetch
AL+BL/2 clks
AL + BL/2 clks
RL = 4
T2
T2
NOP
CL = 3
NOP
CL = 3
T3
Precharge
T3
NOP
- 77 -
T4
T4
NOP
≥ t
NOP
Dout
Dout
A0
RTP
A0
Dout
Dout
A1
A1
Precharge
T5
≥ t
T5
RP
NOP
Dout
Dout
Publication Release Date: Mar. 28, 2011
A2
A2
Dout
Dout
A3
A3
T6
T6
NOP
NOP
Dout
A4
W971GG6JB
Dout
A5
T7
T7
Activate
Bank A
NOP
Dout
A6
Dout
A7
Revision A07
T8
T8
NOP
NOP
RTP
RTP