A43E06321 Datasheet, PDF (30/46 Pages) AMIC Technology – 512K X 32 Bit X 2 Banks Low Power Synchronous DRAM

Read & Write Cycle with Auto Precharge I @Burst Length=4
A43E06321
0
CLOCK
CKE
CS
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
High
RAS
CAS
ADDR
RAa
RBb CAa
CBb
BA
A10/AP
RAa
RBb
WE
DQM
DQ
(CL=2)
DQ
(CL=3)
QAa0 QAa1 QAa2 QAa3
DBb0 DBb1 DBb2 DBb3
QAa0 QAa1 QAa2 QAa3
DBb0 DBb1 DBb2 DBb3
Row Active
(A-Bank)
Read with
Auto Precharge
(A-Bank)
Row Active
(B-Bank)
Auto Precharge
Start Point
(A-Bank)
Write with
Auto Precharge
(B-Bank)
*Note : tRCD should be controlled to meet minimum tRAS before internal precharge start.
(In the case of Burst Length=1 & 2, BRSW mode)
Auto Precharge
Start Point
(B-Bank)
: Don't care
PRELIMINARY (July, 2005, Version 0.0)
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AMIC Technology, Corp.