AS4C32M16SB-7TIN Datasheet, PDF (42/55 Pages) Alliance Semiconductor Corporation – 54pin TSOPII PACKAGE

Figure 33. Interleaved Column Write Cycle (Burst Length=4)
AS4C32M16SB-6TIN
AS4C32M16SB-7TIN
AS4C32M16SB-7TCN
CLK
CKE
CS#
RAS#
CAS#
WE#
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
BA0,1
A10
RAx
RBw
A0-A9,
A11-A12
DQM
DQ
Hi-Z
RAx
tRCD
CAx RBw
CBw
CBx
CBy
CAy
CBz
tWR
tWR
tRRD>tRRD (min)
DAx0 DAx1 DAx2 DAx3 DBw0 DBw1 DBx0 DBx1 DBy0 DBy1 DAy0 DAy1 DBz0 DBz1 DBz2 DBz3
Activate
Command
Bank A
Write
Command
Bank A
Activate
Command
Bank B
Write
Command
Bank B
Write
Command
Bank B
Write
Command
Bank B
Write
Command
Bank A
Write
Command
Bank B
Precharge
Command
Bank A
Precharge
Command
Bank B
Don’t Care
Confidential
- 42/55 -
Rev.1.0 June 2016