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KM4132G271B Folha de dados(PDF) 21 Page - Samsung semiconductor

Nome de Peças KM4132G271B
Descrição Electrónicos  128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
PDF  51 Pages
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Fabricante Electrônico  SAMSUNG [Samsung semiconductor]
Página de início  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KM4132G271B Folha de dados(HTML) 21 Page - Samsung semiconductor

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KM4132G271B
CMOS SGRAM
- 21
Rev. 2.4 (May 1998)
(1) CL=2, BL=4
4. CAS Interrupt (II) : Read Interrupted by Write & DQM
CLK
i) CMD
DQM
DQ
D1
D2
RD
D3
WR
D0
D1
D2
D3
D0
*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 at least one gap between data in and data out.
RD
WR
RD
WR
Hi-Z
Hi-Z
D1
D2
RD
D3
WR
D0
D1
D2
D3
D0
D1
D2
D3
D0
RD
WR
RD
WR
RD
WR
D1
D2
D3
D0
Hi-Z
ii) CMD
DQM
DQ
iii) CMD
DQM
(2) CL=3, BL=4
CLK
i) CMD
DQM
DQ
ii) CMD
DQM
DQ
iii) CMD
DQM
DQ
iv) CMD
DQM
DQ
Q0
D1
D2
D3
D0
Note 1
RD
WR
Hi-Z
iv) CMD
DQM
DQ
D1
D2
D3
D0
DQ
RD
WR
Q0
D1
D2
D3
D0
Note 2
Hi-Z
v) CMD
DQM
DQ



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