EM638165 Etron Technology Inc., EM638165 Datasheet - Page 60

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

Figure 18.3. Full Page Read Cycle
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
T 1 T2
t
CK3
Command
Bank A
CAx
Read
T3
T4
Command
Activate
Bank B
RBx
RBx
T5
Ax
T6
Ax+1 Ax+2 Ax-2
The burst counter wraps
from the highest order
page address back to zero
during this time interval
T7
(Burst Length=Full Page, CAS# Latency=3)
T8
T9
Command
Bank B
60
Read
CBx
Ax-1
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Ax
Full Page burst operation does not
terminate when the burst length is
satisfied; the burst counter
increments and continues
bursting beginning with the
starting address.
Ax+1 Bx
Bx+1
Bx+2
Burst Stop
Command
Bx+3 Bx+4
Precharge
Command
Bank B
Rev 0.6
Bx+5
EM638165
t
RP
Command
Activate
Bank B
RBy
RBy
Feb. 2001