A43L0616A AMIC Technology, Corp., A43L0616A Datasheet - Page 18

• Manufacturer Part Number: A43L0616A
• Description: 512K x 16 Bit x 2 Banks Synchronous DRAM
• Manufacturer: AMIC Technology, Corp.

4. CAS Interrupt (II) : Read Interrupted Write & DQM
(May, 2001, Version 1.0)
* Note : 1. To prevent bus contention, there should be at least one gap between data in and data out.
(1) CL=2, BL=4
(2) CL=3, BL=4
i) CMD
ii) CMD
iii) CMD
iv) CMD
ii) CMD
iii) CMD
iv) CMD
v) CMD
i) CMD
2. To prevent bus contention, DQM should be issued which makes a least one gap between data in and data out.
DQM
DQM
DQM
DQM
DQM
DQM
DQM
DQM
DQM
CLK
CLK
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
RD
RD
RD
RD
RD
RD
RD
RD
RD
WR
Hi-Z
WR
D0
D0
WR
WR
D1
D0
Hi-Z
D1
D0
Q0
Note 1
WR
WR
Hi-Z
Q0
D2
D1
D0
D2
D1
D0
WR
Hi-Z
Note 2
Hi-Z
WR
WR
D3
D2
D1
D0
D3
D2
D1
D0
17
D3
D2
D1
D3
D2
D1
WR
D0
D3
D2
D3
D2
D1
D3
D3
D2
D3
AMIC Technology, Inc.
A43L0616A