EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 46

• Manufacturer Part Number: EM636327Q-7
• Description: 512K x 32 High Speed Synchronous Graphics DRAM(SGRAM)
• Manufacturer: Etron Technology Inc.

Figure 12.2. Random Row Write (Interleaving Banks)
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
DSF
CLK
A 9
BS
DQ
* t
High
Hi-Z
WR
Command
Activate
Bank A
RAx
RAx
> t
T0
t
WR
RCD
(Burst Length=8, CAS# Latency=2)
T 1
t
Command
CK2
Bank A
Write
CAx
(min.)
DAx0 DAx1 DAx2 DAx3 DAx4 DAx5 DAx6 DAx7 DBx0 DBx1
T2
T3
T4
T5
T6
T7
Command
Activate
Bank B
RBx
RBx
T8
T9
Command
Bank B
t
Write
CBx
WR*
46
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Precharge
Command
Bank A
DBx2 DBx3 DBx4 DBx5 DBx6
t
RP
Command
Activate
Bank A
RAy
RAy
DBx7
Command
Bank A
t
Write
WR*
DAy0 DAy1DAy2
CAy
Precharge
Command
Bank B
EM636327
December
DAy3
DAy4
1998