EM638165 Etron Technology Inc., EM638165 Datasheet - Page 52

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

Figure 16.1. Auto Precharge after Read Burst
Preliminary
A0~A9,A11
BA0,1
RAS#
CAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
High
Hi-Z
Command
Activate
Bank A
RAx
RAx
T0
Command
Bank A
CAx
Read
T 1 T2
t
CK1
Ax0
Ax1
T3
Command
Activate
Bank B
RBx
Ax2
RBx CBx
Auto Precharge
T4
Command
Read with
Bank B
Ax3
T5
Bx0
T6
Bx1 Bx2
T7
Auto Precharge
T8
Command
Read with
Bank A
CAy
Bx3
T9
Command
52
Activate
Bank B
RBy
Ay0
RBy
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Ay1
(Burst Length=4, CAS# Latency=1)
Ay2
Auto Precharge
Command
Read with
Bank B
CBy
Ay3
By0
By1
By2
By3
Command
Activate
Bank B
Rev 0.6
RBz
RBz
Auto Precharge
EM638165
Command
Read with
Bank B
CBz
Bz0
Feb. 2001
Bz1
Bz2
Bz3