EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 53

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

Figure 14.3. Interleaved 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
CK3
T2
t
RCD
T3
Command
Bank A
CAx
Read
T4
Command
Activate
Bank B
RBx
RBx
T5
t
AC3
T6
Ax0
T7
Command
Bank B
CBx
Read
Ax1 Ax2
T8
T9
Command
Bank B
CBy
Read
Ax3
T10 T 11 T12 T13 T14 T 15 T16 T 17 T18 T19 T20 T21 T22
53
Bx0
(Burst Length=4, CAS# Latency=3)
Command
Bank B
CBz
Read
Bx1
By0 By1
Command
Bank A
CAy
Read
Bz0
Prechaerge
Command
Bank B
Bz1 Ay0
Precharge
Command
Bank A
Ay1
EM636327
Ay2
Ay3
December
1998