em636165 Etron Technology Inc., em636165 Datasheet - Page 55

• Manufacturer Part Number: em636165
• Description: 1m X 16 Bit Synchronous Dram Sdram
• Manufacturer: Etron Technology Inc.

Figure 21. Random Row Read (Interleaving Banks)
Etron Confidential
CLK
CKE
CS#
CAS#
RAS#
WE#
A11
A10
A0-A9
DQM
DQ
High
RBu
RBu
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Activate
Command
Bank B
CBu
(Burst Length=2, CAS# Latency=2)
t
CK
Read
Bank B
with Auto
Precharge
RAu
RAu CAu
Begin Auto
Precharge
Bank B
Activate
Command
Bank A
Bu0
Read
Bank A
with Auto
Precharge
Bu1 Au0
RBv
RBv
Begin Auto
Precharge
Bank A
t
Activate
Command
Bank B
RP
CBv RAv
Au1 Bv0 Bv1 Av0
Read
Bank B
with Auto
Precharge
RAv
Begin Auto
Precharge
Bank B
t
Activate
Command
Bank A
RP
CAv
Read
Bank A
with Auto
Precharge
RBw CBw RAw CAw
RBw
Begin Auto
Precharge
Bank A
t
Activate
Command
Bank B
RP
Av1 Bw0 Bw1 Aw0 Aw1 Bx0 Bx1 Ax0 Ax1 By0 By1 Ay0 Ay1 Bz0
Read
Bank B
with Auto
Precharge
RAw
Begin Auto
Precharge
Bank B
t
Activate
Command
Bank A
RP
55
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Read
Bank A
with Auto
Precharge
RBx
RBx
Begin Auto
Precharge
Bank A
t
Activate
Command
Bank B
RP
CBx
Read
Bank B
with Auto
Precharge
RAx
RAx
Begin Auto
Precharge
Bank B
t
Activate
Command
Bank A
RP
CAx
Read
Bank A
with Auto
Precharge
RBy
RBy
Begin Auto
Precharge
Bank A
t
Activate
Command
Bank B
RP
CBy
Read
Bank B
with Auto
Precharge
RAy
RAy
Begin Auto
Precharge
Bank B
Rev. 3.4
t
Activate
Command
Bank A
RP
CAy
EM636165
Read
Bank A
with Auto
Precharge
RBz
RBz
“H” or “L”
Begin Auto
Precharge
Bank A
t
Activate
Command
Bank B
RP
CBz
Read
Bank B
with Auto
Precharge
Apr. 2008
RAz
RAz
t
Activate
Command
Bank A
RP