EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 72

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

Figure 23. Random Row Read (Interleaving Banks)
Preliminary
A0~ A8
CA S#
RA S#
DSF
DQM
CKE
CS#
WE#
CLK
A 9
BS
DQ
High
Command
Activate
Bank B
RBu
RBu
T0
Precharge
with Auto
Bank B
CBu
Read
(Burst Length=2, CAS# Latency=1)
T 1
Command
t
CK1
Activate
Bank A
RAu CAu
RAu
Bu0
T2
Begin Auto
Precharge
Precharge
with Auto
Bank A
Bank B
Read
Bu1 Au0
T3 T4
Command
t RP
Activate
Bank B
RBv
RBv CBv
Begin Auto
Precharge
Precharge
with Auto
Bank B
Bank A
Read
Au1
T5
t RP
Command
Activate
Bank A
RAv
RAv
Bv0 Bv1
T6
Begin Auto
Precharge
Precharge
with Auto
Bank B
Bank A
Read
CAv
T7
Command
t RP
Activate
Bank B
RBw
RBw CBw
Av0
T8 T9
Begin Auto
Precharge
Precharge
with Auto
Bank A
Bank B
Read
Av1
Command
t RP
Activate
Bank A
RAw
RAw CAw
Bw0 Bw1
72
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Begin Auto
Precharge
Precharge
with Auto
Bank A
Bank B
Read
t RP
Command
Activate
Bank B
RBx
RBx
Aw0
Begin Auto
Precharge
Precharge
with Auto
Bank A
Bank B
Read
CBx
Aw1 Bx0
t RP
Command
Activate
Bank A
RAx
RAx CAx
Begin Auto
Precharge
Precharge
with Auto
Bank B
Bank A
Bx1
Read
t RP
Command
Activate
Bank B
RBy
RBy CBy
Ax0
Begin Auto
Precharge
Precharge
with Auto
Bank B
Bank A
Read
Ax1 By0
Command
t RP
Activate
Bank A
RAy
RAy CAy
Begin Auto
Precharge
Precharge
with Auto
EM636327
Bank B
Bank A
Read
By1
Command
t RP
Activate
Bank B
RBz
RBz
Ay0 Ay1
December
Begin Auto
Precharge
Precharge
with Auto
Bank B
Bank A
CBz
Read
t RP
Command
Activate
Bank A
RAz
RAz
Bz0
1998