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DS1609 Datasheet(PDF) 3 Page - Dallas Semiconductor

Part No. DS1609
Description  Dual Port RAM
Download  7 Pages
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Maker  DALLAS [Dallas Semiconductor]
Homepage  http://www.dalsemi.com
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DS1609 Datasheet(HTML) 3 Page - Dallas Semiconductor

   
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DS1609
020499 3/7
BLOCK DIAGRAM: DUAL PORT RAM Figure 1
PORT A
MUX ADDRESS/DATA
ADDRESS/
DATA MUX
LATCH
DECODE
256 BYTE DUAL
PORT MEMORY
MATRIX
8 ADDRESS
8 DATA
8 ADDRESS
8 DATA
PORT B
ADDRESS/
DATA MUX
LATCH
DECODE
MUX ADDRESS/DATA
WE
OE
CE
CONTROL
LOGIC
CONTROL
LOGIC
WE
OE
CE
DUAL PORT MEMORY CELL Figure 2
VCC
DATA–PORT A
DATA–PORT B
DATA–PORT A
DATA–PORT B


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