as4c8m16s Alliance Memory, Inc, as4c8m16s Datasheet - Page 44

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

Figure 36.1. Full Page Read Cycle
FEBRUARY 2011
CLK
CKE
CS#
RAS#
CAS#
WE#
BA0,1
A10
A0-A9,
A11
DQM
DQ
Hi-Z
Activate
Cammand
Bank A
High
RAx
RAx
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Read
Command
Bank A
CAx
Activate
Cammand
Bank B
RBx
RBx
Ax
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Ax+1
Ax+2
Full Page burst operation does not
terminate when the burst length is satisfied;
the burst counter increments and continues
bursting beginning with the starting address
(Burst Length=Full Page, CAS# Latency=2)
Ax-2
Ax-1 Ax Ax+1 Bx Bx+1 Bx+2
Read
Command
Bank B
CBx
44
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Bx+3 Bx+4
Burst Stop
Command
Bx+5
Precharge
Command
Bank B
Bx+6
Don’t Care
t
RP
AS4C8M16S
Activate
Command
Bank B
RBy
RBy