English
Language : 

W9864G6DB Datasheet, PDF (42/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM
W9864G6DB
Operating Timing Example, continued
Timing Chart of Burst Stop Cycle (Burst Stop Command)
0 1 2 3 4 5 6 7 8 9 10 11
(3) Read cycle
( a ) CAS latency =2
Command Read
BST
DQ
( b ) CAS latency = 3
Command
Read
Q0 Q1 Q2 Q3 Q4
BST
DQ
Q0 Q1 Q2 Q3 Q4
(2) Write cycle
Command Write
BST
DQ D0 D1 D2 D3 D4
Note: BST
represents the Burst stop command
- 42 -