A43L1632 datasheet(21/43 Pages) AMICC

No de pièce	A43L1632

Description	512K X 32 Bit X 4 Banks Synchronous DRAM

PDF	43 Pages

Scroll/Zoom	100%

Fabricant	AMICC [AMIC Technology]

Site Internet	http://www.amictechnology.com

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21 / 43 page

A43L1632

PRELIMINARY

(December, 2004, Version 0.0)

AMIC Technology, Corp.

8. Burst Stop & Interrupted by Precharge

CLK

CMD

DQM

1) Normal Write (BL=4)

PRE

tRDL Note 1

CLK

CMD

DQM

2) Write Burst Stop (BL=8)

STOP

tBDL Note 2

CLK

CMD

DQ(CL2)

1) Read Interrupted by Precharge (BL=4)

PRE

Note 3

DQ(CL3)

CLK

CMD

DQ(CL2)

4) Read Burst Stop (BL=4)

STOP

DQ(CL3)

9. MRS

Note : 1. tRDL: 1CLK

2. tBDL: 1CLK; Last data in to burst stop delay.

Read or write burst stop command is valid at every burst length.

3. Number of valid output data after row precharge or burst stop: 1,2 for CAS latency = 2, 3 respectively.

4. PRE: All banks precharge if necessary.

MRS can be issued only when all banks are in precharged state.

PRE

MRS

Note 1

CLK

CMD

Mode Register Set

2CLK

ACT

tRP

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