EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 49

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

Figure 13.2. Read and Write Cycle
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
DSF
CLK
A 9
BS
DQ
Hi-Z
T0
Command
Activate
Bank A
RAx
RAx
T 1
t
CK2
T2
Command
Bank A
CAx
Read
T3
T4
Ax0
T5
Ax1
T6
Ax2
T7
Ax3
(Burst Length=4, CAS# Latency=2)
T8
T9
Command
Bank A
Write
CAy
DAy0 DAy1
49
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
is Masked with a
The Write Data
Zero Clock
Latency
DAy3
Command
Bank A
CAz
Read
Az0
EM636327
Az1
is Masked with a
The Read Data
Two Clock
Latency
December
Az3
1998