AS4C8M16S-7BCNTR Alliance Memory, AS4C8M16S-7BCNTR Datasheet - Page 24

• Manufacturer Part Number: AS4C8M16S-7BCNTR
• Description: DRAM 128Mb, 3.3V, 143Mhz 8M x 16 SDRAM
• Manufacturer: Alliance Memory

Specifications of AS4C8M16S-7BCNTR

• Rohs: yes

Figure 22. Power on Sequence and Auto Refresh
CLK
CKE
CS#
CAS#
BA0,1
A0-A9,
A11
DQ
RAS#
WE#
A10
DQM
FEBRUARY 2011
Note(*):The Auto Refresh command can be issue before or after Mode Register Set command
Hi-Z
Inputs must be
Stable for 200 µs
T0
High Level
is reguired
T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Precharge All
Command
t
RP
Address Key
Mode Register
Set Command
t
MRD
1st Auto Refresh
Command
(*)
Minimum for 2 Refresh Cycles are required
24
2nd Auto Refresh
Command
(*)
Don’t Care
Any
Command
AS4C8M16S