DS1609 Datasheet, PDF (3/7 Pages) Dallas Semiconductor – Dual Port RAM

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
V_CC
WE
CONTROL
OE
LOGIC
CE
DATA–PORT A
DATA–PORT B
DATA–PORT A
DATA–PORT B
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