as4c8m16s Alliance Memory, Inc, as4c8m16s Datasheet - Page 47

• Manufacturer Part Number: as4c8m16s
• Description: 128mb/ 8m X 16 Bit Synchronous Dram Sdram
• Manufacturer: Alliance Memory, Inc

Figure 38. Byte Write Operation
CLK
CKE
CS#
CAS#
DQMm
DQMn
RAS#
WE#
BA0,1
A10
A0-A9,
A11
DQ0-DQ7
DQ8-DQ15
FEBRUARY 2011
High
Activate
Cammand
Bank A
RAx
RAx
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Read
Command
Bank A
CAx
Upper Byte
is masked
Ax0
Ax1 Ax2
Ax1 Ax2
(Burst Length=4, CAS# Latency=2)
Lower Byte
is masked
Ax3
Write
Command
Bank A
DAy0 DAy1
CAy
DAy1
47
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Upper Byte
is masked
DAy2
DAy3
CAz
Read
Command
Bank A
Az0
Lower Byte
is masked
Az1
Az1
Az2
Az2
Don’t Care
Az3
Lower Byte
is masked
AS4C8M16S