EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 40

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

Figure 10.2. Random Column Write (Page within same Bank)
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
CLK
DSF
A 9
BS
DQ
Hi-Z
T0
Command
Activate
Bank A
RBw
RBw
(Burst Length=4, CAS# Latency=2)
t
T 1
CK2
T2
Command
Bank B
DBw0 DBw1 DBw2 DBw3 DBx0 DBx1 DBy0 DBy1 DBy2 DBy3
Write
CBw
T3
T4
T5
T6
Command
Bank B
Write
CBx
T7
T8
Command
Bank B
Write
CBy
T9
40
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Precharge
Command
Bank B
Command
Activate
Bank B
RBz
RBz
Command
Bank B
DBz0 DBz1 DBz2 DBz3
CBz
Write
EM636327
December
1998