W981216 WINBOND [Winbond], W981216 Datasheet - Page 32

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

Revision 1.0
A0-A9
DQM
CKE
CLK
RAS
CAS
A10
WE
DQ
CS
BS
PowerDown Mode
0
Note: The PowerDown Mode is entered by asserting CKE "low".
Active
RAa
RAa
t
CKS
1
All Input/Output buffers (except CKE buffers) are turned off in the PowerDown mode.
When CKE goes high, command input must be No operation at next CLK rising edge.
2
t
SB
3
Power Down mode
Active Standby
t
CKS
4
NOP
5
CAa
6
7
8
ax0
9
(CLK = 100 MHz)
ax1
10
- 32 -
11
ax2
12
2M x 16 bit x 4 Banks SDRAM
t
ax3
CKS
13
Precharge
14
t
SB
15
Precharge Standby
Power Down mode
Publication Release Date: March, 1999
16
t
CKS
17
NOPActive
18
RAa
RAa
19
W981216AH
20
21
CAx
22
23