EM638165 Etron Technology Inc., EM638165 Datasheet - Page 48

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

Figure 14.3. Interleaved Column Read Cycle
Preliminary
A0~A9,A11
BA0,1
RAS#
CAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
Hi-Z
T0
Command
Activate
Bank A
RAx
RAx
T 1 T2
t
CK3
t
RCD
T3
Command
CAx
Bank A
Read
T4
Command
Activate
Bank B
RBx
RBx
T5
t
AC3
T6
Ax0
T7
Command
CBx
Bank B
Read
Ax1 Ax2
T8
T9
Command
48
Bank B
CBy
Read
Ax3
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
(Burst Length=4, CAS# Latency=3)
Bx0
Command
Bank B
Bx1
CBz
Read
By0 By1
Command
Bank A
CAy
Read
Bz0
Prechaerge
Command
Bank B
Bz1 Ay0
Precharge
Command
Bank A
Rev 0.6
Ay1
EM638165
Ay2
Ay3
Feb. 2001