W981216 WINBOND [Winbond], W981216 Datasheet - Page 40

• Manufacturer Part Number: W981216
• Description: 2M x 16 bit x 4 Banks SDRAM
• Manufacturer: WINBOND [Winbond]

Revision 1.0
(2) Write cycle
(1) Read cycle
( b )CAS latency = 3
( c )CAS latency = 4
( a ) CAS latency =2
( b )CAS latency = 3
( c )CAS latency = 4
( a )CAS latency =2
Timing chart of Burst Stop cycle ( Precharge Command )
Commad
Commad
Commad
Commad
Commad
Commad
In the case of Burst Lenght = 8
DQM
DQM
DQM
DQ
DQ
DQ
DQ
DQ
DQ
Note )
Read
Read
Read
Write
Write
Write
D0
D0
D0
0
PRCG
D1
D1
D1
1
represents the Precharge command
D2
D2
D2
Q0
2
Q0
D3
D3
D3
Q1
3
- 40 -
Q1
D4
D4
Q0
D4
Q2
4
t
t
t
WR
WR
WR
2M x 16 bit x 4 Banks SDRAM
PRCG
PRCG
PRCG
PRCG
PRCG
Q2
PRCG
Q1
Q3
5
Q3
Q2
6
Q4
Publication Release Date: March, 1999
Q4
Q3
7
Q4
8
9
W981216AH
10
11