AS4C4M16SA Datasheet, PDF (49/54 Pages) Alliance Semiconductor Corporation – Synchronous DRAM

AS4C4M16SA - Automotive
Figure 40. Full Page Random Column Read (Burst Length=Full Page, CAS# Latency=2)
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
RAS#
CAS#
WE#
BA0,1
A10
RAx
RBx
RBw
A0-A9,
RAx
A11
DQM
tRRD
DQ
Hi-Z
RBx CAx
tRCD
CBx CAy
CBy
CAz
CBz
tRP
Ax0 Ax1 Bx0 Ay0 Ay1 By0 By1 Az0 Az1 Az2 Bz0 Bz1 Bz2
RBw
Activate
Command
Bank A
Activate
Read
Command
Command
Bank B
Read
Bank B
Read
Command
Command
Bank A
Bank A
Read
Command
Bank B
Read
Command
Bank A
Read
Command
Bank B
Precharge
Activate
Command Bank B
Command
(Precharge Temination) Bank B
Don’t Care
Confidential
49
Rev. 1.0-63nm Mar. /2014