EM638165 Etron Technology Inc., EM638165 Datasheet - Page 68

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

Figure 24.1. Precharge Termination of a Burst
Preliminary
A0~A9,A11
BA0,1
RAS#
CAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
T0
T 1 T2
t
CK1
Command
RAx
Activate
Bank A
RAx
Command
DAx0 DAx1 DAx2 DAx3 DAx4
Bank A
CAx
Write
T3
Precharge Termination
Write data is masked.
T4
of a Write Burst.
T5
T6
T7
Precharge
Command
Bank A
t
WR
T8
t
Command
RP
Activate
Bank A
RAy
T9
RAy
Command
CAy
68
Bank A
Read
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Ay0
(Burst Length=Full Page, CAS# Latency=1)
Ay1 Ay2
Precharge
Command
Bank A
t
Command
RAz
RP
Activate
Bank A
RAz
DAz0
Command
Bank A
Termination of
CAz
a Read Burst.
Write
Precharge
DAz1
DAz2
DAz3
Rev 0.6
EM638165
DAz4 DAz5
Feb. 2001
DAz6 DAz7