W981216 WINBOND [Winbond], W981216 Datasheet - Page 20

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

Revision 1.0
Bank #0
Bank #1
Bank #2
Bank #3
A0-A9,
A11
DQM
CKE
BS0
BS1
A10
WE
RAS
CAS
CLK
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Autoprecharge)
DQ
CS
Idle
Active
RAa
RAa
0
* AP is the internal precharge start timing
t
RCD
1
t
RRD
2
CAw RBb
Read
3
t
RAS
Active
RBb
4
t
AC
5
t
RC
aw0
t
RCD
6
aw1
AP*
t
7
RRD
aw2
8
CBx
Read
t
aw3
RAS
9
t
- 20 -
RP
(CLK = 100 MHz)
10
t
RC
t
Active
RAc
RAc
AC
2M x 16 bit x 4 Banks SDRAM
11
bx0
t
RCD
12
bx1
13
CAy
t
Read
bx2
RRD
AP*
14
t
bx3
Publication Release Date: March, 1999
RAS
15
t
RP
t
AC
16
t
RC
RBd
Active
RBd
cy0
17
cy1
AP*
t
18
RCD
cy2
W981216AH
19
t
RRD
CBz
Read
cy3
20
t
t
t
RAS
RC
RP
21
t
RAe
Active
RAe
AC
22
dz0
23