em636165 Etron Technology Inc., em636165 Datasheet - Page 54

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

Figure 20. Byte Write Operation
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LDQM
CLK
CKE
CS#
RAS#
UDQM
CAS#
WE#
A10
A0-A9
DQ0-DQ7
DQ8-DQ15
A11
High
Activate
Cammand
Bank A
RAx
RAx
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
t
CK
Read
Command
Bank A
CAx
Upper Bytes
are masked
Ax0
Ax1 Ax2
Ax1 Ax2
Lower Byte
is masked
Ax3
(Burst Length=4, CAS# Latency=2)
Write
Command
Bank A
DAy0 DAy1
CAy
DAy1
54
Upper Bytes
are masked
DAy2
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
DAy3
CAz
Read
Command
Bank A
Az0
Lower Byte
is masked
Az1
Az1
Az2
Az2
Rev. 3.4
Az3
EM636165
Lower Byte
is masked
“H” or “L”
Apr. 2008