CXK591000YM-70LL Ver la hoja de datos (PDF) - Sony Semiconductor

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CXK591000YM-70LL

131,072-word ×9-bit High Speed CMOS Static RAM

Sony Semiconductor 

CXK591000TM/YM/M

• Write cycle (3) : CE2 control

Address

OE

CE1

CE2

WE

Data in

tWC

tAW

tCW

tAS

tCW

tWR1 (∗3)

tWP

tDW

tDH

Data valid

Data out

High impedance

∗1 Write is executed when both CE1 and WE are at low and CE2 is at high simultaneously.

∗2 Do not apply the data input voltage of the opposite phase to the output while I/O pin is in output condition.

∗3 tWR1 is tested from either the rising edge of CE1 or the falling edge of CE2, whichever comes earlier, until the

end of the write cycle.

–8–

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