EM638165 Etron Technology Inc., EM638165 Datasheet - Page 59

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

Figure 18.2. 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
Command
CK2
Bank A
Read
CAx
T3
Command
Activate
Bank B
Ax
RBx
RBx
T4
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Ax+1 Ax+2Ax-2
T5
T6
T7
(Burst Length=Full Page, CAS# Latency=2)
Ax-1
T8
Command
Bank B
Ax
CBx
Read
T9
59
Full Page burst operation does not
terminate when the burst length is satisfied;
the burst counter increments and continues
bursting beginning wi t h the starting address.
Ax+1
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Bx
Bx+1
Bx+2
Bx+3
Bx+4
Burst Stop
Command
Bx+5
Precharge
Command
Bank B
Bx+6
Rev 0.6
t
RP
EM638165
Command
Activate
Bank B
RBy
RBy
Feb. 2001