A45L9332AE-6 AMIC Technology, Corp., A45L9332AE-6 Datasheet - Page 44

• Manufacturer Part Number: A45L9332AE-6
• Description: 256K x 32 Bit x 2 Banks Synchronous Graphic RAM
• Manufacturer: AMIC Technology, Corp.

CLOCK
ADDR
(CL=2)
(CL=3)
RAS
CAS
CKE
A10
Burst Read Single Bit Write Cycle @Burst Length=2, BRSW
DSF
PRELIMINARY
DQM
CS
DQ
DQ
A9
WE
0
Row Active
(A-Bank)
* Note : 1. BRSW mode is enabled by setting A9 “High” at MRS (Mode Register Set).
RAa
RAa
1
2. When BRSW write command with auto precharge is executed, keep it in mind that tRAS should not be violated.
3. WPB function is also possible at BRSW mode.
2
At the BRSW Mode, the burst length at write is fixed to “1” regardless of programed burst length.
Auto precharge is executed at the burst-end cycle, so in the case of BRSW write command,
The next cycle starts the precharge.
(October, 2001, Version 0.1)
3
(A-Bank)
Write
DAa0
DAa0
CAa
4
Row Active
(B-Bank)
RBb
RBb
Auto Precharge
5
Read with
(A-Bank)
CAb
6
7
QAb0
8
QAb1
QAb0
9
High
43
QAb1
10
Row Active
(A-Bank)
RAc
RAc
Auto Precharge
11
Write with
(B-Bank)
DBc0
DBc0
CBc
12
* Note 2
13
(A-Bank)
Read
CAd
14
AMIC Technology, Inc.
A45L9332A Series
15
QAd0
16
QAd1
QAd0
17
Precharge
(A-Bank)
QAd1
: Don't care
18
19