EM638165 Etron Technology Inc., EM638165 Datasheet - Page 69

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

Figure 24.2. Precharge Termination of a Burst
Preliminary
A0~A9,A11
BA0,1
RAS#
CAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
High
Command
Activate
Bank A
RAx
RAx
T0
(Burst Length=8 or Full Page, CAS# Latency=2)
t
T 1 T2
CK2
Command
Bank A
Write
CAx
DAx0 DAx1 D Ax2 DAx3
Precharge Termination
Write data is masked.
of a Write Burst.
T3
T4
T5
t
Precharge
Command
WR
Bank A
T6
t
RP
T7
Command
Activate
Bank A
RAy
RAy
T8
T9
Command
69
Bank A
CAy
Read
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Ay0 Ay1
Precharge
Command
Bank A
t
RP
Ay2
Command
Activate
Bank A
RAz
RAz
Command
Bank A
CAz
Read
Precharge Termination
of a Read Burst
Rev 0.6
EM638165
Az0
Precharge
Command
Bank A
Az1
t
Feb. 2001
RP
Az2