em636165 Etron Technology Inc., em636165 Datasheet - Page 49

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

Figure 17.2. Auto Precharge after Write Burst
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CLK
CKE
CS#
RAS#
CAS#
WE#
A11
A10
A0-A9
DQM
DQ
High
Hi-Z
Activate
Cammand
Bank A
RAx
RAx
RAx
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
t
CK
Write
Command
Bank A
DAx0
CAx
Activate
Command
Bank B
DAx1 DAx2 DAx3 DBx0 DBx1 DBx2 DBx3 DAy0 DAy1 DAy2 DAy3
RBx
RBx
Write with
Auto Precharge
Command
Bank B
CBx
Write with
Auto Precharge
Command
Bank A
49
CAy
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
(Burst Length=4, CAS# Latency=3)
Activate
Command
Bank B
RBy
RBy
Write with
Auto Precharge
Command
Bank B
DBy0 DBy1
CBy
Rev. 3.4
EM636165
“H” or “L”
DBy2 DBy3
Apr. 2008