EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 66

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

Figure 19.1. Full Page Write Cycle
Preliminary
A0 ~ A8
CA S#
RAS#
DQM
CKE
CS#
WE#
CLK
DSF
A 9
BS
DQ
High
Hi-Z
Command
Activate
Bank A
RAx
RAx
T0
Command
Bank A
DAx
Write
CAx
t
T 1
CK1
Command
Activate
Bank B
DAx+ 1
RBx
RBx
T2
DAx+ 2 DAx+ 3 DA x- 1
The burst counter wraps
from the highest order
page address back to zero
during this time interval
T3
T4
T5
DAx
T6
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.
DAx+ 1
T7
Command
Bank B
Write
CBx
DBx
(Burst Length=Full Page, CAS# Latency=1)
T8
DBx+ 1 DBx+ 2 DBx+ 3 DBx+ 4 DBx+ 5 DBx+ 6 DBx+ 7
T9
66
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Data is ignored
Burst Stop
Command
Precharge
Command
Bank B
Command
Activate
Bank B
RBy
RBy
EM636327
December
1998