X28HC256SI-15(2011) 데이터 시트보기 (PDF) - Intersil

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X28HC256SI-15
(Rev.:2011)

5V, Byte Alterable EEPROM

Intersil 

LAST

WE WRITE

CE

OE

VIH

I/O7

A0 TO A14

An

X28HC256

HIGH Z

VOL

An

An

An

An

An

FIGURE 2. DATA POLLING BUS SEQUENCE

WRITE DATA

WRITES

NO

COMPLETE?

YES

SAVE LAST DATA

AND ADDRESS

READ LAST

ADDRESS

IO7

NO

COMPARE?

YES

X28HC256

READY

FIGURE 3. DATA POLLING SOFTWARE FLOW

VOH

X28HC256

READY

An

5

FN8108.3

September 21, 2011

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