AS4C32M16SB-7TIN Datasheet, PDF (44/55 Pages) Alliance Semiconductor Corporation – 54pin TSOPII PACKAGE

AS4C32M16SB-6TIN
AS4C32M16SB-7TIN
AS4C32M16SB-7TCN
Figure 34.2. Auto Precharge after Read Burst (Burst Length=4, CAS# Latency=3)
CLK
CKE
CS#
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
High
Begin Auto
Precharge
Bank B
Begin Auto
Precharge
Bank A
RAS#
CAS#
WE#
BA0,1
A10
RAx
A0-A9, _RAx
A11-A12
DQM
DQ
Hi-Z
Activate
Command
Bank A
RBx
CAx RBx
CBx
CAy
tRP
RBy
RBy
CBy
Ax0 Ax1 Ax2 Ax3 Bx0 Bx1 Bx2 Bx3 Ay0 Ay1 Ay2 Ay3
Read
Command
Bank A
Activate
Command
Bank B
Read with
Auto Precharge
Command
Bank B
Read with
Auto Precharge
Command
Bank A
Activate
Command
Bank B
Read with
Auto Precharge
Command
Bank B
By0 By1 By2
Don’t Care
Confidential
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Rev.1.0 June 2016