W971GG6JB-25 Winbond Electronics, W971GG6JB-25 Datasheet - Page 73

• 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

10.8 Data input (write) timing
10.9 Burst write operation: RL=5 (AL=2, CL=3, WL=4, BL=4)
DQ
DM
DQS
DQS
CLK
CLK
CMD
DQS
DQS
DQs
DQS
DQS
DQs
Case 1: with t
Case 2: with t
Posted CAS
T0
WRITE A
DQSS
DQSS
(max)
(min)
T1
NOP
WL = RL – 1= 4
WL = RL – 1= 4
t
WPRE
DQS
DQS
T2
t
DS
V
V
DMin
NOP
IL
IH
D
(ac)
(ac)
t
DQSH
T3
NOP
t
DS
V
V
DMin
IH
IL
D
(ac)
(ac)
- 73 -
DIN
t
A0
DQSS
t
T4
DQSS
DIN
t
A0
t
DQSL
NOP
DSH
DIN
A1
DIN
A1
t
DSS
V
DIN
V
t
A2
DQSS
DMin
IH
IL
t
D
(dc)
(dc)
T5
DQSS
t
DH
DIN
A2
t
NOP
DSH
Publication Release Date: Mar. 28, 2011
DIN
A3
DIN
A3
t
DSS
T6
NOP
V
V
DMin
IH
IL
D
(dc)
(dc)
t
DH
Completion of
The Burst Write
W971GG6JB
t
WPST
T7
≥ t
≥ t
NOP
WR
WR
Revision A07
Tn
Precharge