W981216AH Datasheet, PDF (27/44 Pages) Winbond – 2M x 16 bit x 4 Banks SDRAM

W981216AH
2M x 16 bit x 4 Banks SDRAM
AutoPrecharge Read (Burst Length = 4, CAS Latency = 3)
(CLK = 100 MHz)
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
CLK
CS
RAS
CAS
tRC
tRAS
tRP
tRC
tRAS
tRP
WE
BS0
BS1
A10
tRCD
RAa
tRCD
RAb
A0-A9,
RAa
CAw
A11
DQM
RAb
CAx
CKE
DQ
tAC
aw0 aw1 aw2 aw3
tAC
bx0
bx1
bx2 _bx3
Bank #0 Active _Read
AP*
Active
Read
AP*
Bank #1
Bank #2
Idle
Bank #3
* AP is the internal precharge start timing
Revision 1.0
- 27 -
Publication Release Date: March, 1999