EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 61

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

Figure 17.2. Auto Precharge after Write Burst
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
WE#
CLK
A 9
BS
DQ
High
Hi-Z
Command
Activate
Bank A
RAx
RAx
T0
t
T 1
CK2
Command
Bank A
Write
DAx0 DAx1 DAx2 DAx3
CAx
T2
T3
Command
Activate
Bank B
RBx
RBx
T4
Auto Precharge
T5
Write with
Command
Bank B
DBx0 DBx1 DBx2 DBx3
CBx
T6
T7
T8
Auto Precharge
T9
Write with
Command
Bank A
DAy0
CAy
61
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
DAy1 DAy2
(Burst Length=4, CAS# Latency=2)
Command
Activate
Bank B
DAy3
RBy
RBy
Auto Precharge
Write with
Command
DBy0
Bank B
CBy
DBy1 DBy2 DBy3
Command
Activate
Bank A
RAz
RAz
Auto Precharge
Write with
Command
EM636327
Bank A
DAz0 DAz1
CAz
December
DAz2 DAz3
1998