EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 74

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

Figure 25. Full Page Random Column Write
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
DSF
CLK
A 9
BS
DQ
T0
Command
Activate
Bank A
RAx
RAx
t
T 1
CK2
t
RRD
T2
Command
Activate
Bank B
RBx
RBx
T3
Command
Bank A
DAx0 DBx0 DAy0 DAy1 DBy0 DBy1 DAz0 DAz1 DAz2 DBz0 DBz1 DBz2
t
Write
CAx
RCD
T4
Command
Bank B
Write
CBx
T5
Command
Bank A
Write
CAy
T6
T7
Command
Bank B
Write
CBy
T8
T9
Command
Bank A
Write
CAz
74
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
(Burst Length=Full Page, CAS# Latency=2)
Command
Bank B
CBz
Write
(Precharge Temination)
Command Bank B
t
Precharge
WR
Write Data
is masked
t
RP
Command
Activate
Bank B
RBw
RBw
EM636327
December
1998