EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 64

• Manufacturer Part Number: EM636327Q-7
• Description: 512K x 32 High Speed Synchronous Graphics DRAM(SGRAM)
• Manufacturer: Etron Technology Inc.

Figure 18.2. Full Page Read Cycle
Preliminary
A0~ A8
CA S#
RA S#
DQM
CKE
CS#
WE#
DSF
CLK
A 9
BS
DQ
High
Hi-Z
Command
Activate
Bank A
RAx
RAx
T0 T 1
t
Command
CK2
Bank A
Read
CAx
T2 T3
Command
Activate
Bank B
RBx
RBx
Ax
T4 T5
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Ax+1 Ax+2 Ax-2
T6 T7
Ax-1
(Burst Length=Full Page, CAS# Latency=2)
T8 T9
Command
Bank B
Read
CBx
Ax
Ax+1
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.
64
T10 T 11 T12 T13 T14 T 15 T16 T 17 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
t
RP
Command
EM636327
Activate
Bank B
RBy
RBy
December
1998