EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 51

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

Figure 14.1. Interleaving Column Read Cycle
Preliminary
A0~ A8
CA S#
RA S#
DQM
CKE
CS#
WE#
CLK
DSF
A 9
BS
DQ
Hi-Z
T0 T 1
Command
Activate
Bank A
RAx
RAx
t
t
RCD
CK1
Command
Bank A
RAx
Read
T2 T3
t
AC1
Ax0
Ax1
T4 T5
Command
Activate
Bank B
RBw
RBw
Ax2
Command
Bank B
CBw
Read
Ax3
T6
Bw0
T7
Command
Bank B
CBx
Read
Bw1
T8
Bx0
T9 T10 T 11 T12 T13 T14 T 15 T16 T17 T18 T19 T20 T21 T22
Command
Bank B
CBy
Read
Bx1
51
By0
(Burst Length=4, CAS# Latency=1)
Command
Bank A
CAy
Read
By1 Ay0
Command
Bank B
CBz
Read
Ay1
Bz0
Precharge
Command
Bank A
Bz1
Bz2
Precharge
Command
Bank B
Bz3
EM636327
December
1998