EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 69

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

Figure 20. Byte Write Operation
Preliminary
DQ8 - DQ31
DQ0 - DQ7
DQM1~3
A0 ~ A 8
DQM0
CA S#
RAS#
CKE
CS#
WE #
CLK
DSF
A 9
BS
High
Command
Activate
Bank A
RAx
RAx
T0
T 1
t
CK2
Command
Bank A
CAx
Read
T2
Upper 3 Bytes
are masked
T3
Ax0
T4
Ax1
Ax1
T5
Lower Byte
is masked
Ax2
Ax2
T6
(Burst Length=4, CAS# Latency=2)
Ax3
T7
T8
Command
Bank A
DAy0 DAy1
Write
CAy
T9
DAy1 DAy2
69
Upper 3 Bytes
T10 T 11 T12 T13 T14 T 15 T16 T 17 T18 T19 T20 T21 T22
are masked
DAy3
Command
Bank A
Read
CAz
Az0
Lower Byte
is masked
Az1
Az1
Az2
Az2
Az3
EM636327
Lower Byte
is masked
December
1998