DS1609 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1609

Dual Port RAM

Dallas Semiconductor -> Maxim Integrated 

DS1609

BLOCK DIAGRAM: DUAL PORT RAM Figure 1

PORT A

8 ADDRESS

MUX ADDRESS/DATA

ADDRESS/

DATA MUX

LATCH

DECODE

8 DATA

256 BYTE DUAL

PORT MEMORY

MATRIX

8 ADDRESS

8 DATA

PORT B

ADDRESS/

DATA MUX

LATCH

DECODE

MUX ADDRESS/DATA

WE

OE

CONTROL

CE

LOGIC

DUAL PORT MEMORY CELL Figure 2

VCC

WE

CONTROL

OE

LOGIC

CE

DATA–PORT A

DATA–PORT B

DATA–PORT A

DATA–PORT B

020499 3/7

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