W981216 WINBOND [Winbond], W981216 Datasheet - Page 34

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

Revision 1.0
(3) CAS Latency=4
Autoprecharge timing ( Read Cycle )
( b ) burst length = 2
( d ) burst length = 8
( a ) burst length = 1
( c ) burst length = 4
Note )
Command
Command
Command
Command
DQ
DQ
DQ
DQ
When the Auto precharge command is asserted, the period from Bank Activate
command to the start of internal precgarging must be at least tRAS(min).
Read
Read
Read
Read
Read
0
Act
AP
AP
1
represents the Bank Activate command.
represents the Read with Auto precharge command.
represents the start of internal precharging.
AP
2
t
RP
3
t
RP
Act
Q0
Q0
Q0
Q0
AP
4
- 34 -
Act
Q1
Q1
Q1
5
2M x 16 bit x 4 Banks SDRAM
t
RP
Q2
Q2
6
Act
Q3
Q3
7
Publication Release Date: March, 1999
Q4
AP
8
Q5
9
W981216AH
t
RP
10
Q6
Act
Q7
11