as4c8m16s Alliance Memory, Inc, as4c8m16s Datasheet - Page 23

• Manufacturer Part Number: as4c8m16s
• Description: 128mb/ 8m X 16 Bit Synchronous Dram Sdram
• Manufacturer: Alliance Memory, Inc

Figure 21. Auto Refresh
CLK
CKE
RAS#
CAS#
DQM
CS#
WE#
BA0,1
A10
A0-A9,
A11
DQ
FEBRUARY 2011
Precharge All
Command
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
t
RP
Auto Refresh
Command
(Burst Length=4, CAS# Latency=2)
t
RC
Auto Refresh
Command
23
T11 T12 T13 T14 T15 T16 T17 T18 T19
t
RC
Activate
Command
Bank A
RAx
RAx
t
RCD
Don’t Care
Read
Command
Bank A
CAx
T20 T21 T22
AS4C8M16S
Ax0
Ax1