em636165 Etron Technology Inc., em636165 Datasheet - Page 45
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em636165
Manufacturer Part Number
em636165
Description
1m X 16 Bit Synchronous Dram Sdram
Manufacturer
Etron Technology Inc.
Datasheet
1.EM636165.pdf
(60 pages)
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Figure 15.2. Interleaved Column Write Cycle
Etron Confidential
CLK
CKE
CS#
RAS#
CAS#
A11
DQ
WE#
A10
A0-A9
DQM
Hi-Z
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Activate
Cammand
Bank A
RAx
RAx
RAx
t
CK
t
RCD
>t
t
RCD
RRD(min)
Write
Command
Bank A
DAx0
CAx
Activate
Command
Bank B
RBw
DAx1 DAx2 DAx3 DBw0 DBw1 DBx0 DBx1 DBy0 DBy1 DAy0 DAy1 DBz0 DBz1 DBz2 DBz3
RBw
Write
Command
Bank B
CBw
Write
Command
Bank B
CBx
45
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
(Burst Length=4, CAS# Latency=3)
Write
Command
Bank B
CBy
Write
Command
Bank A
CAy
t
Write
Command
Bank B
WR
CBz
Precharge
Command
Bank A
t
RP
Rev. 3.4
EM636165
t
WR
Precharge
Command
Bank B
“H” or “L”
Apr. 2008