EM638165 Etron Technology Inc., EM638165 Datasheet - Page 64

• Manufacturer Part Number: EM638165
• Description: 4Mega x 16 Synchronous DRAM (SDRAM)
• Manufacturer: Etron Technology Inc.

Figure 20. Byte Write Operation
Preliminary
DQ8 - DQ15
A0~A9,A11
DQ0 - DQ7
LDQM
UDQM
BA0,1
RAS#
CAS#
CKE
CS#
WE#
CLK
A10
High
Command
Activate
RAx
Bank A
RAx
T0
T 1 T2
t
CK2
Command
CAx
Bank A
Read
Upper 3 Bytes
are masked
T3
Ax0
T4
Ax1
Ax1
Lower Byte
T5
is masked
Ax2
Ax2
T6
(Burst Length=4, CAS# Latency=2)
Ax3
T7
T8
Command
Bank A
Write
DAy0 DAy1
CAy
T9
DAy1 DAy2
Upper 3 Bytes
64
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
are masked
DAy3
Command
Bank A
Read
CAz
Az0
Lower Byte
is masked
Az1
Az1
Az2
Az2
Az3
Rev 0.6
Lower Byte
is masked
EM638165
Feb. 2001