A43L0616A Datasheet, PDF(18/45 Page) AMIC Technology – 512K X 16 Bit X 2 Banks Synchronous DRAM

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A43L0616A Datasheet, PDF (18/45 Pages) AMIC Technology – 512K X 16 Bit X 2 Banks Synchronous DRAM

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4. CAS Interrupt (II) : Read Interrupted Write & DQM

(1) CL=2, BL=4

CLK

i) CMD

DQM

ii) CMD

DQM

iii) CMD

DQM

iv) CMD

DQM

(2) CL=3, BL=4

CLK

i) CMD

DQM

ii) CMD

DQM

iii) CMD

DQM

iv) CMD

DQM

v) CMD

DQM

RD WR

D0 D1 D2 D3

Hi-Z D0

Hi-Z

D0 D1 D2 D3

Q0 Hi-Z D0

Note 1

RD WR

D0 D1 D2 D3

DW0R D1 D2 D3

Hi-Z

D0 D1 D2 D3

Hi-Z

Note 2

A43L0616A

* Note : 1. To prevent bus contention, there should be at least one gap between data in and data out.

2. To prevent bus contention, DQM should be issued which makes a least one gap between data in and data out.

(May, 2001, Version 1.0)

AMIC Technology, Inc.

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