XM28C020

13

CE Controlled Write Cycle

3872 FHD F05

ADDRESS

tAS

tOEH

tWC

tAH

tOES

tWPH

tCS

tDV

tDS

tDH

tCH

CE

WE

OE

DATA IN

DATA OUT

HIGH Z

DATA VALID

tCW

Page Write Cycle

3872 FHD F06

WE

OE

LAST BYTE

BYTE 0

BYTE 1

BYTE 2

BYTE n

BYTE n+1

BYTE n+2

tWP

tWPH

tBLC

tWC

CE

*ADDRESS

I/O

*For each successive write within the page write operation, A7–A17 should be the same or

writes to an unknown address could occur.