参数资料
型号: W9825G2DB-6
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 8M X 32 SYNCHRONOUS DRAM, 5 ns, PBGA90
封装: 8 X 13 MM, 0.80 MM PITCH, ROHS COMPLIANT, TFBGA-90
文件页数: 32/42页
文件大小: 916K
代理商: W9825G2DB-6
W9825G2DB
Publication Release Date:Jun. 24, 2009
- 38 -
Revision A8
11.19 Timing Chart of Burst Stop Cycle (Burst Stop Command)
Read
BST
0
11
10
9
8
7
6
5
4
3
2
1
DQ
Q0
Q1
Q2
Q3
BST
( a ) CAS latency =2
Command
( b )CAS latency = 3
(1) Read cycle
Q4
(2) Write cycle
Command
Read
Command
Q0
Q1
Q2
Q3
Q4
Q0
Q1
Q2
Q3
Q4
DQ
Write
BST
Note:
represents the Burst stop command
BST
11.20 Timing Chart of Burst Stop Cycle (Precharge Command)
01
11
10
9
8
7
6
5
4
3
2
(1 ) R e ad cy cle
(a ) C A S la te n c y = 2
C o m m a n d
Q0
Q1
Q2
Q3
Q4
P RCG
Re a d
(b ) C A S la te n c y = 3
C o m m a n d
Q0
Q1
Q2
Q3
Q4
P RCG
Re a d
DQ
(2 ) W r ite c ycle
Co m m a n d
Q0
Q1
Q2
Q3
Q4
P RCG
Write
DQ
DQ M
tW R
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