W981216 WINBOND [Winbond], W981216 Datasheet - Page 19

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

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