USER’S GUIDE
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PORT 1 FUNCTIONAL CIRCUITRY
VCC
POWER
DOWN
PORT
0.n
INTERNAL
DATA BUS
WRITE
ENABLE
READ
ENABLE
READ
LATCH/PIN
DQ
VCC
VCC
DELAY
= 2Tclk
Q
PORT 2 FUNCTIONAL CIRCUITRY
VCC
POWER
DOWN
PORT
2.n
WRITE
ENABLE
READ
ENABLE
READ
LATCH/PIN
DQ
VCC
VCC
DELAY
= 2Tclk
ADDRESS
CONTROL
ADDRESS
A8–A15
INTERNAL
DATA BUS
Q
