em636165 Etron Technology Inc., em636165 Datasheet - Page 39

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

Figure 12.2. Random Row Write (Interleaving Banks)
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WE#
CLK
CKE
CS#
RAS#
CAS#
A11
A10
A0-A9
DQM
DQ
High
Hi-Z
Activate
Cammand
Bank A
* t
RAx
RAx
WR
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
> t
(Burst Length=8, CAS# Latency=3)
t
t
CK
WR
RCD
(min.)
Write
Command
Bank A
DAx0
CAx
DAx1 DAx2 DAx3 DAx4 DAx5 DAx6 DAx7 DBx0 DBx1 DBx2 DBx3 DBx4 DBx5 DBx6 DBx7 DAy0 DAy1 DAy2 DAy3
Activate
Command
Bank B
RBx
RBx
39
Write
Command
Bank B
CBx
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
WR*
Precharge
Command
Bank A
t
RP
Activate
Command
Bank A
RAy
RAy
Rev. 3.4
Write
Command
Bank A
EM636165
CAy
t
WR*
“H” or “L”
Precharge
Command
Bank B
Apr. 2008