W981216 WINBOND [Winbond], W981216 Datasheet - Page 36

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

Revision 1.0
Autoprecharge timing ( Write Cycle )
(3) CAS Latency=4
( a ) burst length = 1
( b ) burst length = 2
( c ) burst length = 4
( d ) burst length = 8
Command
Command
Command
Command
Note )
DQ
DQ
DQ
DQ
Write
Write
Write
Write
command to the start of internal precgarging must be at least tRAS(min).
D0
D0
D0
D0
When the Auto precharge command is asserted, the period from Bank Activate
Write
0
Act
AP
t
WR
D1
AP
D1
D1
1
t
represents the Bank Activate command.
represents the Read with Auto precharge command.
represents the start of internal precharging.
WR
D2
D2
AP
2
t
RP
D3
D3
3
t
t
RP
WR
Act
AP
D4
- 36 -
4
2M x 16 bit x 4 Banks SDRAM
Act
D5
5
t
RP
D6
6
Publication Release Date: March, 1999
Act
D7
7
t
WR
AP
8
W981216AH
9
t
RP
10
Act
11