as4c8m16s Alliance Memory, Inc, as4c8m16s Datasheet - Page 41

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

Figure 34.1. Auto Precharge after Read Burst
BA0,1
CLK
CKE
CS#
RAS#
CAS#
WE#
A10
DQM
DQ
A0-A9,
A11
FEBRUARY 2011
High
Hi-Z
Activate
Cammand
Bank A
RAx
RAx
RAx
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Read
Command
Bank A
CAx
Activate
Command
Bank B
RBx
RBx
Ax0
Ax1 Ax2 Ax3
Read with
Auto Precharge
Command
Bank B
CBx
Bx0
Bx1
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20
41
Read with
Auto Precharge
Command
Bank A
Begin Auto
Precharge
Bank B
(Burst Length=4, CAS# Latency=2)
RAy
Bx2 Bx3 Ay0
t
RP
Activate
Command
Bank B
RBy
Ay1 Ay2 Ay3
RBy
Begin Auto
Precharge
Bank A
Read with
Auto Precharge
Command
Bank B
CBy
Don’t Care
Activate
Command
Bank A
RAz
RAz
By0 By1
AS4C8M16S
T21 T22
By2