EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 52

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

Figure 14.2. Interleaving Column Read Cycle
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
CLK
DSF
A 9
BS
DQ
Hi-Z
T0
Command
Activate
Bank A
RAx
RAx
T 1
t
CK2
t
RCD
T2
Command
Bank A
CAy
Read
T3
t
AC2
T4
Command
Activate
Bank B
RAx
Ax0
RAx
T5
Ax1
T6
Command
Bank B
CBw
Ax2
Read
T7
Ax3
T8
Command
Bank B
Read
Bw0
CBx
T9
Bw1
52
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Command
Bank B
CBy
Read
Bx0
(Burst Length=4, CAS# Latency=2)
Bx1
Command
Bank A
Read
CAy
By0
By1 Ay0
Command
Bank B
CBz
Read
Precharge
Command
Bank A
Ay1
Bz0
Bz1
Precharge
Command
Bank B
EM636327
Bz2
Bz3
December
1998